WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B01D　SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B 9/02; treatment of water C02F, e.g. softening by ion-exchange C02F 1/42; {arrangements of air intake cleaners in gas turbine plants F02C 7/05}; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F 13/28)

B01D 1/00 Evaporating ({evaporation in general, e.g. of liquids for gas phase reactions B01B 1/005}; removal of incrustation B08B; preparation of starch C08B 30/00; sugar industry C13; prevention of incrustation C23F; drying solid materials or objects by evaporating liquids therefrom F26)

B01D 1/0005 ・{Evaporating devices suitable for floating on water}

B01D 1/0011 ・{Heating features}

B01D 1/0017 ・・{Use of electrical or wave energy (B01D 1/0029 takes precedence)}

B01D 1/0023 ・・・{Induction heating}

B01D 1/0029 ・・{Use of radiation}

B01D 1/0035 ・・・{Solar energy (for treatment of water C02F 1/14)}

B01D 1/0041 ・・{Use of fluids}

B01D 1/0047 ・・・{in a closed circuit (B01D 3/007 takes precedence)}

B01D 1/0052 ・・・{Use of a liquid transfer medium or intermediate fluid, e.g. bain-marie}

B01D 1/0058 ・・{Use of waste energy from other processes or sources, e.g. combustion gas (for water treatment C02F 1/16)}

B01D 1/0064 ・{Feeding of liquid into an evaporator}

B01D 1/007 ・・{the liquid feed being split up in at least two streams before entering the evaporator}

B01D 1/0076 ・・{Maintaining the liquid in the evaporator at a constant level}

B01D 1/0082 ・{Regulation; Control}

B01D 1/0088 ・{Cascade evaporators}

B01D 1/0094 ・{with forced circulation}

B01D 1/02 ・Evaporators with heating coils

B01D 1/04 ・Evaporators with horizontal tubes

B01D 1/06 ・Evaporators with vertical tubes

B01D 1/065 ・・{by film evaporating}

B01D 1/08 ・・with short tubes (B01D 1/12{B01D 1/065} take precedence)

B01D 1/10 ・・with long tubes, e.g. Kestner evaporators (B01D 1/12{B01D 1/065} take precedence)

B01D 1/12 ・・and forced circulation

B01D 1/14 ・with heated gases or vapours {or liquids} in contact with the liquid

B01D 1/16 ・by spraying (B01D 1/22 takes precedence)

B01D 1/18 ・・to obtain dry solids (B01D 1/24 takes precedence)

B01D 1/20 ・・Sprayers (in general B05B)

B01D 1/22 ・by bringing a thin layer of the liquid into contact with a heated surface {(B01D 1/065 takes precedence)}

B01D 1/221 ・・{Composite plate evaporators}

B01D 1/222 ・・{In rotating vessels; vessels with movable parts}

B01D 1/223 ・・・{containing a rotor}

B01D 1/225 ・・・・{with blades or scrapers}

B01D 1/226 ・・・・・{in the form of a screw or with helical blade members}

B01D 1/227 ・・・・{with brushes}

B01D 1/228 ・・・{horizontally placed cylindrical container or drum (B01D 1/223 takes precedence)}

B01D 1/24 ・・to obtain dry solids

B01D 1/26 ・Multiple-effect evaporating

B01D 1/28 ・with vapour compression

B01D 1/2803 ・・{Special features relating to the vapour to be compressed}

B01D 1/2806 ・・・{The vapour is divided in at least two streams and only a part of the vapour is compressed}

B01D 1/2809 ・・・・{At least two streams are compressed}

B01D 1/2812 ・・・{The vapour is coming from different sources}

B01D 1/2815 ・・・・{At least one source is a compressor}

B01D 1/2818 ・・・{Cleaning of the vapour before compression, e.g. demisters, washing of the vapour}

B01D 1/2821 ・・・{B2+B2B}

B01D 1/2825 ・・・{B2+B4}

B01D 1/2828 ・・・{B2+B4B}

B01D 1/2831 ・・・{B2B+B4}

B01D 1/2834 ・・・{B2B+B4B}

B01D 1/2837 ・・・{B4+B4B}

B01D 1/284 ・・{Special features relating to the compressed vapour}

B01D 1/2843 ・・・{The compressed vapour is divided in at least two streams}

B01D 1/2846 ・・・{The compressed vapour is not directed to the same apparatus from which the vapour was taken off}

B01D 1/285 ・・・{In combination with vapour from an other source}

B01D 1/2853 ・・・・{At least one of the other sources is a compressor, ejector}

B01D 1/2856 ・・・{The compressed vapour is used for heating a reboiler or a heat exchanger outside an evaporator}

B01D 1/2859 ・・・{D2+D4}

B01D 1/2862 ・・・{D2+D4+D6}

B01D 1/2865 ・・・{D2+D4+D6B}

B01D 1/2868 ・・・{D2+D6}

B01D 1/2871 ・・・{D2+D6B}

B01D 1/2875 ・・・{D4+D6}

B01D 1/2878 ・・・{D4+D6B}

B01D 1/2881 ・・{Compression specifications (e.g. pressure, temperature, processes)}

B01D 1/2884 ・・{Multiple effect compression (B01D 1/2815, B01D 1/2828, B01D 1/2834 and B01D 1/2837 take precedence)}

B01D 1/2887 ・・{The compressor is integrated in the evaporation apparatus}

B01D 1/289 ・・{Compressor features (e.g. constructions, details, cooling, lubrication, driving systems)}

B01D 1/2893 ・・・{Driving systems}

B01D 1/2896 ・・{Control, regulation}

B01D 1/30 ・Accessories for evaporators; {Constructional details thereof}

B01D 1/305 ・・{Demister (vapour-liquid separation)}

B01D 3/00 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ({evaporation in general, e.g. of liquids for gas phase reactions B01B 1/005}; gas chromatography B01D 15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12G 3/12)

B01D 3/001 ・{Processes specially adapted for distillation or rectification of fermented solutions}

B01D 3/002 ・・{by continuous methods}

B01D 3/003 ・・{Rectification of spirit}

B01D 3/004 ・・・{by continuous methods}

B01D 3/005 ・・・・{Combined distillation and rectification}

B01D 3/006 ・{by vibration}

B01D 3/007 ・{Energy recuperation; Heat pumps}

B01D 3/008 ・{Liquid distribution}

B01D 3/009 ・{in combination with chemical reactions}

B01D 3/02 ・in boilers or stills

B01D 3/04 ・pipe stills

B01D 3/06 ・Flash distillation

B01D 3/065 ・・{Multiple-effect flash distillation (more than two traps)}

B01D 3/08 ・in rotating vessels; Atomisation on rotating discs ({B01D 1/222}, B01D 3/10 take precedence)

B01D 3/085 ・・{using a rotary evaporator}

B01D 3/10 ・Vacuum distillation (B01D 3/12 takes precedence)

B01D 3/101 ・・{Recirculation of the fluid used as fluid working medium in a vacuum creating device}

B01D 3/103 ・・{by using a barometric column}

B01D 3/105 ・・{with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices}

B01D 3/106 ・・{with the use of a pump for creating vacuum and for removing the distillate}

B01D 3/108 ・・{using a vacuum lock for removing the concentrate during distillation}

B01D 3/12 ・Molecular distillation

B01D 3/14 ・Fractional distillation {or use of a fractionation or rectification column}

B01D 3/141 ・・{where at least one distillation column contains at least one dividing wall}

B01D 3/143 ・・{by two or more of a fractionation, separation or rectification step}

B01D 3/145 ・・・{One step being separation by permeation}

B01D 3/146 ・・・{Multiple effect distillation}

B01D 3/148 ・・・{in combination with at least one evaporator}

B01D 3/16 ・・Fractionating columns in which vapour bubbles through liquid (packing elements B01J 19/30, B01J 19/32)

B01D 3/163 ・・・{Plates with valves}

B01D 3/166 ・・・{Heating and/or cooling of plates}

B01D 3/18 ・・・with horizontal bubble plates

B01D 3/20 ・・・・Bubble caps; Risers for vapour; Discharge pipes for liquid

B01D 3/205 ・・・・・{Bubble caps}

B01D 3/22 ・・・with horizontal sieve plates or grids; Construction of sieve plates or grids

B01D 3/225 ・・・・{Dual-flow sieve trays}

B01D 3/24 ・・・with sloping plates or elements mounted stepwise

B01D 3/26 ・・Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction

B01D 3/28 ・・・Fractionating columns with surface contact and vertical guides, e.g. film action

B01D 3/30 ・・Fractionating columns with movable parts or in which centrifugal movement is caused

B01D 3/32 ・・Other features of fractionating columns; {Constructional details of fractionating columns not provided for in groups B01D 3/16 to B01D 3/30}

B01D 3/322 ・・・{Reboiler specifications}

B01D 3/324 ・・・{Tray constructions}

B01D 3/326 ・・・・{Tray supports}

B01D 3/328 ・・・・{Sealing between the column and the trays}

B01D 3/34 ・with one or more auxiliary substances

B01D 3/343 ・・{the substance being a gas}

B01D 3/346 ・・・{the gas being used for removing vapours, e.g. transport gas}

B01D 3/36 ・・Azeotropic distillation

B01D 3/38 ・・Steam distillation

B01D 3/40 ・・Extractive distillation

B01D 3/42 ・Regulation; Control

B01D 3/4205 ・・{Reflux ratio control splitter}

B01D 3/4211 ・・{of columns}

B01D 3/4216 ・・・{Head stream}

B01D 3/4222 ・・・{Head- and side stream}

B01D 3/4227 ・・・{Head- and bottom stream}

B01D 3/4233 ・・・{Head- and feed stream}

B01D 3/4238 ・・・{Head-, side- and bottom stream}

B01D 3/4244 ・・・{Head-, side- and feed stream}

B01D 3/425 ・・・{Head-, bottom- and feed stream}

B01D 3/4255 ・・・{Head-, side-, bottom- and feed stream}

B01D 3/4261 ・・・{Side stream}

B01D 3/4266 ・・・{Side- and bottom stream}

B01D 3/4272 ・・・{Side- and feed stream}

B01D 3/4277 ・・・{Side-, bottom- and feed stream}

B01D 3/4283 ・・・{Bottom stream}

B01D 3/4288 ・・・{Bottom- and feed stream}

B01D 3/4294 ・・・{Feed stream}

B01D 5/00 Condensation of vapours; Recovering volatile solvents by condensation (B01D 8/00 takes precedence; condensers F28B)

B01D 5/0003 ・{by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium}

B01D 5/0006 ・・{Coils or serpentines}

B01D 5/0009 ・・{Horizontal tubes}

B01D 5/0012 ・・{Vertical tubes}

B01D 5/0015 ・・{Plates}

B01D 5/0018 ・・{Dome shaped (B01D 5/0066 takes precedence)}

B01D 5/0021 ・・{Vortex}

B01D 5/0024 ・・{Rotating vessels or vessels containing movable parts}

B01D 5/0027 ・{by direct contact between vapours or gases and the cooling medium}

B01D 5/003 ・・{within column(s)}

B01D 5/0033 ・{Other features}

B01D 5/0036 ・・{Multiple-effect condensation; Fractional condensation}

B01D 5/0039 ・・{Recuperation of heat, e.g. use of heat pump(s), compression}

B01D 5/0042 ・・{Thermo-electric condensing; using Peltier-effect}

B01D 5/0045 ・・{Vacuum condensation}

B01D 5/0048 ・・{Barometric condensation}

B01D 5/0051 ・・{Regulation processes; Control systems e.g. valves}

B01D 5/0054 ・・{General arrangements, e.g. flow sheets}

B01D 5/0057 ・{in combination with other processes}

B01D 5/006 ・・{with evaporation or distillation}

B01D 5/0063 ・・・{Reflux condensation}

B01D 5/0066 ・・・{Dome shaped condensation}

B01D 5/0069 ・・{with degasification or deaeration}

B01D 5/0072 ・・{with filtration}

B01D 5/0075 ・・{with heat exchanging (B01D 5/0039 takes precedence)}

B01D 5/0078 ・{characterised by auxiliary systems or arrangements}

B01D 5/0081 ・・{Feeding the steam or the vapours}

B01D 5/0084 ・・{Feeding or collecting the cooling medium (B01D 5/0087 takes precedence)}

B01D 5/0087 ・・{Recirculating of the cooling medium}

B01D 5/009 ・・{Collecting, removing and/or treatment of the condensate}

B01D 5/0093 ・・{Removing and treatment of non condensable gases}

B01D 5/0096 ・・{Cleaning (cleaning in general B08B)}

B01D 7/00 Sublimation (B01D 8/00 takes precedence; freeze-drying F26)

B01D 7/02 ・Crystallisation directly from the vapour phase (into single crystals C30B 23/00)

B01D 8/00 Cold traps; Cold baffles (pumps for evacuating by condensing or freezing F04B 37/08)

B01D 9/00 Crystallisation (crystallisation directly from the vapour phase B01D 7/02; making single crystals C30B; {crystallisation as part of the Bayer process also classified in C01F 7/14})

B01D 9/0004 ・{cooling by heat exchange (by evaporation of components of the mixture to be separated B01D 9/0013; refrigeration machines F25B)}

B01D 9/0009 ・・{by direct heat exchange with added cooling fluid}

B01D 9/0013 ・・{by indirect heat exchange}

B01D 9/0018 ・{Evaporation of components of the mixture to be separated}

B01D 9/0022 ・・{by reducing pressure}

B01D 9/0027 ・・{by means of conveying fluid, e.g. spray-crystallisation (spray-drying F26B)}

B01D 9/0031 ・・{by heating (B01D 9/0022, B01D 9/0027 take precedence)}

B01D 9/0036 ・{Crystallisation on to a bed of product crystals; Seeding}

B01D 9/004 ・{Fractional crystallisation; Fractionating or rectifying columns}

B01D 9/0045 ・・{Washing of crystals, e.g. in wash columns}

B01D 9/005 ・{Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof}

B01D 9/0054 ・・{Use of anti-solvent}

B01D 9/0059 ・{General arrangements of crystallisation plant, e.g. flow sheets}

B01D 9/0063 ・{Control or regulation (control per se G05)}

B01D 9/0068 ・{Prevention of crystallisation}

B01D 9/0072 ・{Crystallisation in microfluidic devices}

B01D 9/0077 ・{Screening for crystallisation conditions or for crystal forms}

B01D 9/0081 ・{Use of vibrations, e.g. ultrasound}

B01D 9/02 ・from solutions {not used}

B01D 9/04 ・・concentrating solutions by removing frozen solvent therefrom

B01D 11/00 Solvent extraction

B01D 11/02 ・of solids

B01D 11/0203 ・・{with a supercritical fluid}

B01D 11/0207 ・・{Control systems}

B01D 11/0211 ・・{in combination with an electric or magnetic field}

B01D 11/0215 ・・{Solid material in other stationary receptacles}

B01D 11/0219 ・・・{Fixed bed of solid material}

B01D 11/0223 ・・・{Moving bed of solid material (see also B01D 11/0261)}

B01D 11/0226 ・・・・{with the general transport direction of the solids parallel to the rotation axis of the conveyer, e.g. worm}

B01D 11/023 ・・・・{using moving bands, trays fixed on moving transport chains}

B01D 11/0234 ・・・・{using other slow rotating arms or elements, whereby the general transport direction of the solids is not parallel to the rotation axis, e.g. perpendicular (B01D 11/0238 takes precedence)}

B01D 11/0238 ・・・・{on fixed or rotating flat surfaces, e.g. tables combined with rotating elements or on rotating flat surfaces}

B01D 11/0242 ・・・・{in towers, e.g. comprising contacting elements}

B01D 11/0246 ・・・・・{comprising rotating means}

B01D 11/0249 ・・・・・{comprising jet means}

B01D 11/0253 ・・・{Fluidised bed of solid materials}

B01D 11/0257 ・・・・{using mixing mechanisms, e.g. stirrers, jets (B01D 11/0242 takes precedence)}

B01D 11/0261 ・・{comprising vibrating mechanisms, e.g. mechanical, acoustical}

B01D 11/0265 ・・・{Applying ultrasound}

B01D 11/0269 ・・{Solid material in other moving receptacles (B01D 11/0238 takes precedence)}

B01D 11/0273 ・・・{in rotating drums}

B01D 11/0276 ・・・・{with the general transport direction of the solids parallel to the rotation axis of the conveyer, e.g. spirals}

B01D 11/028 ・・{Flow sheets}

B01D 11/0284 ・・・{Multistage extraction}

B01D 11/0288 ・・{Applications, solvents}

B01D 11/0292 ・・{Treatment of the solvent}

B01D 11/0296 ・・・{Condensation of solvent vapours (condensation in general B01D 5/00)}

B01D 11/04 ・of solutions which are liquid

B01D 11/0403 ・・{with a supercritical fluid}

B01D 11/0407 ・・・{the supercritical fluid acting as solvent for the solute}

B01D 11/0411 ・・・{the supercritical fluid acting as solvent for the solvent and as anti-solvent for the solute, e.g. formation of particles from solutions}

B01D 11/0415 ・・{in combination with membranes}

B01D 11/0419 ・・{in combination with an electric or magnetic field or with vibrations}

B01D 11/0423 ・・・{Applying ultrasound}

B01D 11/0426 ・・{Counter-current multistage extraction towers in a vertical or sloping position}

B01D 11/043 ・・・{with stationary contacting elements, sieve plates or loose contacting elements}

B01D 11/0434 ・・・{comprising rotating mechanisms, e.g. mixers, rotational oscillating motion, mixing pumps}

B01D 11/0438 ・・・{comprising vibrating mechanisms, electromagnetic radiations}

B01D 11/0442 ・・・{Mixers with gas-agitation}

B01D 11/0446 ・・{Juxtaposition of mixers-settlers}

B01D 11/0449 ・・・{with stationary contacting elements}

B01D 11/0453 ・・・{with narrow passages limited by plates, walls, e.g. helically coiled tubes (B01D 11/0461 takes precedence)}

B01D 11/0457 ・・・{comprising rotating mechanisms, e.g. mixers, mixing pumps}

B01D 11/0461 ・・・{mixing by counter-current streams provoked by centrifugal force}

B01D 11/0465 ・・・{comprising vibrating mechanisms, radiations}

B01D 11/0469 ・・・{with gas agitation}

B01D 11/0473 ・・・{Jet mixers, venturi mixers}

B01D 11/0476 ・・{Moving receptacles, e.g. rotating receptacles}

B01D 11/048 ・・・{Mixing by counter-current streams provoked by centrifugal force, in rotating coils or in other rotating spaces}

B01D 11/0484 ・・{Controlling means}

B01D 11/0488 ・・{Flow sheets}

B01D 11/0492 ・・{Applications, solvents used}

B01D 11/0496 ・・{by extraction in microfluidic devices}

B01D 12/00 Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid

B01D 15/00 Separating processes involving the treatment of liquids with solid sorbents (using liquid sorbents B01D 11/00; ion exchange processes or materials, sorbent materials in general B01J, e.g. sorbents for chromatography B01J 20/281; for investigating or analysing materials G01N 30/00); Apparatus therefor

B01D 15/02 ・with moving adsorbents

B01D 15/08 ・Selective adsorption, e.g. chromatography

B01D 15/10 ・・caracterised by constructional or operational features

B01D 15/12 ・・・relating to the preparation of the feed

B01D 15/125 ・・・・{Pre-filtration}

B01D 15/14 ・・・relating to the introduction of the feed to the apparatus

B01D 15/16 ・・・relating to the conditioning of the fluid carrier

B01D 15/161 ・・・・{Temperature conditioning}

B01D 15/163 ・・・・{Pressure or speed conditioning}

B01D 15/165 ・・・・・{Flash chromatography}

B01D 15/166 ・・・・{Fluid composition conditioning, e.g. gradient}

B01D 15/168 ・・・・・{pH gradient, chromatofocusing, i.e. separation according to the isoelectric point pI}

B01D 15/18 ・・・relating to flow patterns

B01D 15/1807 ・・・・{using counter-currents, e.g. fluidised beds}

B01D 15/1814 ・・・・{recycling of the fraction to be distributed}

B01D 15/1821 ・・・・・{Simulated moving beds}

B01D 15/1828 ・・・・・・{characterized by process features}

B01D 15/1835 ・・・・・・・{Flushing}

B01D 15/1842 ・・・・・・{characterized by apparatus features}

B01D 15/185 ・・・・・・{characterized by the components to be separated}

B01D 15/1857 ・・・・・{Reactive simulated moving beds}

B01D 15/1864 ・・・・{using two or more columns}

B01D 15/1871 ・・・・・{placed in series}

B01D 15/1878 ・・・・・・{for multi-dimensional chromatography}

B01D 15/1885 ・・・・・{placed in parallel}

B01D 15/1892 ・・・・{the sorbent material moving as a whole, e.g. continuous annular chromatography, true moving beds}

B01D 15/20 ・・・relating to the conditioning of the sorbent material

B01D 15/203 ・・・・{Equilibration or regeneration}

B01D 15/206 ・・・・{Packing or coating}

B01D 15/22 ・・・relating to the construction of the column

B01D 15/24 ・・・relating to the treatment of the fractions to be distributed

B01D 15/242 ・・・・{Intermediate storage of effluents}

B01D 15/245 ・・・・{Adding materials to the effluents}

B01D 15/247 ・・・・{Fraction collectors}

B01D 15/26 ・・characterised by the separation mechanism

B01D 15/265 ・・・{Adsorption chromatography}

B01D 15/30 ・・・Partition chromatography

B01D 15/305 ・・・・{Hydrophilic interaction chromatography (HILIC)}

B01D 15/32 ・・・Bonded phase chromatography

B01D 15/322 ・・・・{Normal bonded phase}

B01D 15/325 ・・・・{Reversed phase}

B01D 15/327 ・・・・・{with hydrophobic interaction}

B01D 15/34 ・・・Size selective separation, e.g. size exclusion chromatography, gel filtration, permeation

B01D 15/345 ・・・・{Perfusive chromatography}

B01D 15/36 ・・・involving ionic interaction

B01D 15/361 ・・・・{Ion-exchange}

B01D 15/362 ・・・・・{Cation-exchange}

B01D 15/363 ・・・・・{Anion-exchange}

B01D 15/364 ・・・・・{Amphoteric or zwitterionic ion-exchanger}

B01D 15/365 ・・・・{Ion-exclusion}

B01D 15/366 ・・・・{Ion-pair, e.g. ion-pair reversed phase}

B01D 15/367 ・・・・{Ion-suppression}

B01D 15/368 ・・・・{Cation- pi interaction}

B01D 15/38 ・・・involving specific interaction not covered by one or more of groups B01D 15/265 to B01D 15/36

B01D 15/3804 ・・・・{Affinity chromatography}

B01D 15/3809 ・・・・・{of the antigen-antibody type, e.g. protein A, G, L chromatography}

B01D 15/3814 ・・・・・{of the substrate or co-factor - enzyme type}

B01D 15/3819 ・・・・・{of the nucleic acid-nucleic acid binding protein type}

B01D 15/3823 ・・・・・{of other types, e.g. avidin, streptavidin, biotin}

B01D 15/3828 ・・・・・{Ligand exchange chromatography, e.g. complexation, chelation or metal interaction chromatography}

B01D 15/3833 ・・・・{Chiral chromatography}

B01D 15/3842 ・・・・{Micellar chromatography}

B01D 15/3847 ・・・・{Multimodal interactions}

B01D 15/3852 ・・・・{using imprinted phases or molecular recognition; using imprinted phases}

B01D 15/3857 ・・・・{Reaction chromatography}

B01D 15/3861 ・・・・{using an external stimulus}

B01D 15/3866 ・・・・・{using ultra-sound}

B01D 15/3871 ・・・・・{using light}

B01D 15/3876 ・・・・・{modifying the temperature}

B01D 15/388 ・・・・・{modifying the pH}

B01D 15/3885 ・・・・・{Using electrical or magnetic means}

B01D 15/40 ・・・using supercritical fluid as mobile phase or eluent

B01D 15/42 ・・・characterised by the development mode, e.g. by displacement or by elution

B01D 15/422 ・・・・{Displacement mode}

B01D 15/424 ・・・・{Elution mode}

B01D 15/426 ・・・・・{Specific type of solvent}

B01D 15/428 ・・・・{Frontal mode}

B01D 17/00 Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F 1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B 15/04; arrangements for separating lubricants from refrigerants F25B 43/02)

B01D 17/005 ・{by thermal diffusion}

B01D 17/02 ・Separation of non-miscible liquids

B01D 17/0202 ・・{by ab- or adsorption}

B01D 17/0205 ・・{by gas bubbles or moving solids}

B01D 17/0208 ・・{by sedimentation}

B01D 17/0211 ・・・{with baffles}

B01D 17/0214 ・・・{with removal of one of the phases}

B01D 17/0217 ・・{by centrifugal force}

B01D 17/04 ・・Breaking emulsions

B01D 17/041 ・・・{with moving devices}

B01D 17/042 ・・・{by changing the temperature}

B01D 17/044 ・・・{by changing the pressure}

B01D 17/045 ・・・{with coalescers}

B01D 17/047 ・・・{with separation aids}

B01D 17/048 ・・・{by changing the state of aggregation}

B01D 17/06 ・Separation of liquids from each other by electricity

B01D 17/08 ・Thickening liquid suspensions by filtration

B01D 17/085 ・・{with membranes}

B01D 17/10 ・・with stationary filtering elements

B01D 17/12 ・Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits

B01D 19/00 Degasification of liquids

B01D 19/0005 ・{with one or more auxiliary substances}

B01D 19/001 ・・{by bubbling steam through the liquid (B01D 19/0042, B01D 19/0047 and B01D 19/0052 take precedence)}

B01D 19/0015 ・・・{in contact columns containing plates, grids or other filling elements}

B01D 19/0021 ・{by bringing the liquid in a thin layer}

B01D 19/0026 ・・{in rotating vessels or in vessels containing movable parts}

B01D 19/0031 ・{by filtration}

B01D 19/0036 ・{Flash degasification (the other groups take precedence)}

B01D 19/0042 ・{modifying the liquid flow (B01D 19/0021 takes precedence)}

B01D 19/0047 ・・{Atomizing, spraying, trickling}

B01D 19/0052 ・・{in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused (B01D 19/0026 takes precedence)}

B01D 19/0057 ・・・{the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet}

B01D 19/0063 ・{Regulation, control including valves and floats (for construction and details of valves F16K)}

B01D 19/0068 ・{General arrangements, e.g. flowsheets (B01D 19/0063 takes precence)}

B01D 19/0073 ・{by a method not covered by groups B01D 19/0005 to B01D 19/0042}

B01D 19/0078 ・・{by vibration}

B01D 19/0084 ・・{using an electric current}

B01D 19/0089 ・・{using a magnetic field (magnetic separation in general B03C 1/00)}

B01D 19/0094 ・・{by using a vortex, cavitation}

B01D 19/02 ・Foam dispersion or prevention (during boiling B01B 1/02; during fermentation C12)

B01D 19/04 ・・by addition of chemical substances

B01D 19/0404 ・・・{characterised by the nature of the chemical substance}

B01D 19/0409 ・・・・{compounds containing Si-atoms}

B01D 19/0413 ・・・・{compounds containing N-atoms}

B01D 19/0418 ・・・・{compounds containing P-atoms}

B01D 19/0422 ・・・・{compounds containing S-atoms}

B01D 19/0427 ・・・・{compounds containing halogen-atoms}

B01D 19/0431 ・・・・{containing aromatic rings}

B01D 19/0436 ・・・・・{with substituted groups}

B01D 19/044 ・・・・・・{which contain Si-atoms}

B01D 19/0445 ・・・・・・{which contain N-atoms}

B01D 19/045 ・・・・・・{which contain P-atoms}

B01D 19/0454 ・・・・・・{which contain S-atoms}

B01D 19/0459 ・・・・・・{which contain halogen-atoms}

B01D 19/0463 ・・・・{containing rings other than aromatic rings}

B01D 19/0468 ・・・・・{with substituted groups}

B01D 19/0472 ・・・・・・{which contain Si-atoms}

B01D 19/0477 ・・・・・・{which contain N-atoms}

B01D 19/0481 ・・・・・・{which contain P-atoms}

B01D 19/0486 ・・・・・・{which contain S-atoms}

B01D 19/049 ・・・・・・{which contain halogen-atoms}

B01D 19/0495 ・・・・{containing hetero rings}

B01D 21/00 Separation of suspended solid particles from liquids by sedimentation ({separation of ores or the like by sedimentation B03B 5/48 to B03B 5/60}; differential sedimentation B03D 3/00; {purification of water, waste water, sewage or sludge C02F, e.g.} devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F 1/40)

B01D 21/0003 ・{Making of sedimentation devices, structural details thereof, e.g. prefabricated parts}

B01D 21/0006 ・{Settling tanks provided with means for cleaning and maintenance}

B01D 21/0009 ・{Settling tanks making use of electricity or magnetism (electric ultra filters B01D 31/02; filters making use of electricity or magnetism B01D 35/06; magnetic or electrostatic separation B03C)}

B01D 21/0012 ・{Settling tanks making use of filters, e.g. by floating layers of particulate material}

B01D 21/0015 ・{Controlling the inclination of settling devices}

B01D 21/0018 ・{provided with a pump mounted in or on a settling tank}

B01D 21/0021 ・・{provided with a jet pump}

B01D 21/0024 ・{Inlets or outlets provided with regulating devices, e.g. valves, flaps (B01D 21/24 takes precedence)}

B01D 21/0027 ・{Floating sedimentation devices}

B01D 21/003 ・{Sedimentation tanks provided with a plurality of compartments separated by a partition wall (B01D 21/0039 takes precedence)}

B01D 21/0033 ・・{Vertical, perforated partition walls (B01D 21/2422 takes precedence)}

B01D 21/0036 ・・{Horizontal partition walls}

B01D 21/0039 ・{Settling tanks provided with contact surfaces, e.g. baffles, particles}

B01D 21/0042 ・・{Baffles or guide plates}

B01D 21/0045 ・・{Plurality of essentially parallel plates}

B01D 21/0048 ・・{Plurality of plates inclined in alternating directions}

B01D 21/0051 ・・{Plurality of tube like channels}

B01D 21/0054 ・・{Plates in form of a coil}

B01D 21/0057 ・・{with counter-current flow direction of liquid and solid particles}

B01D 21/006 ・・{with co-current flow direction of liquid and solid particles}

B01D 21/0063 ・・{with cross-flow flow direction of liquid and solid particles}

B01D 21/0066 ・・{with a meandering flow pattern of liquid or solid particles}

B01D 21/0069 ・・{Making of contact surfaces, structural details, materials therefor}

B01D 21/0072 ・・・{Means for adjusting, moving or controlling the position or inclination of the contact surfaces e.g. for optimising the particle-liquid separation, for removing the settled particles, for preventing fouling}

B01D 21/0075 ・・・{Contact surfaces having surface features}

B01D 21/0084 ・{Enhancing liquid-particle separation using the flotation principle (flotation in general B03D 1/00)}

B01D 21/0087 ・{Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow (B01D 21/2411 takes precedence)}

B01D 21/009 ・{Heating or cooling mechanisms specially adapted for settling tanks}

B01D 21/0093 ・{Mechanisms for taking out of action one or more units of a multi-unit settling mechanism}

B01D 21/0096 ・{Safety mechanisms specially adapted for settling tanks (B01D 21/22 takes precedence)}

B01D 21/01 ・using flocculating agents (for purifying water C02F 1/52; for liquid radioactive waste G21F 9/10)

B01D 21/02 ・Settling tanks {with single outlets for the separated liquid}

B01D 21/04 ・・with moving scrapers

B01D 21/06 ・・・with rotating scrapers

B01D 21/08 ・・provided with flocculating compartments

B01D 21/10 ・Settling tanks with multiple outlets for the separated liquids

B01D 21/12 ・・with moving scrapers

B01D 21/14 ・・・with rotating scrapers

B01D 21/16 ・・provided with flocculating compartments

B01D 21/18 ・Construction of the scrapers or the driving mechanisms for settling tanks

B01D 21/183 ・・{with multiple scraping mechanisms}

B01D 21/186 ・・{with two or more scrapers fixed at different heights on a central rotating shaft}

B01D 21/20 ・・Driving mechanisms

B01D 21/22 ・・Safety mechanisms

B01D 21/24 ・Feed or discharge mechanisms for settling tanks

B01D 21/2405 ・・{Feed mechanisms for settling tanks}

B01D 21/2411 ・・・{having a tangential inlet}

B01D 21/2416 ・・・{Liquid distributors with a plurality of feed points}

B01D 21/2422 ・・・・{Vertically arranged feed points}

B01D 21/2427 ・・{The feed or discharge opening located at a distant position from the side walls}

B01D 21/2433 ・・{Discharge mechanisms for floating particles}

B01D 21/2438 ・・・{provided with scrapers on the liquid surface for removing floating particles}

B01D 21/2444 ・・{Discharge mechanisms for the classified liquid}

B01D 21/245 ・・{Discharge mechanisms for the sediments}

B01D 21/2455 ・・・{Conveyer belts}

B01D 21/2461 ・・・{Positive-displacement pumps; Screw feeders; Trough conveyers}

B01D 21/2466 ・・・{Mammoth pumps, e.g. air lift pumps}

B01D 21/2472 ・・・{Means for fluidising the sediments, e.g. by jets or mechanical agitators}

B01D 21/2477 ・・・{Centrifugal pumps}

B01D 21/2483 ・・・{Means or provisions for manually removing the sediments}

B01D 21/2488 ・・{bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids}

B01D 21/2494 ・・{provided with means for the removal of gas, e.g. noxious gas, air}

B01D 21/26 ・Separation of sediment aided by centrifugal force {or centripetal force}(centrifuges B04B; cyclones B04C)

B01D 21/262 ・・{by using a centrifuge}

B01D 21/265 ・・{by using a vortex inducer or vortex guide, e.g. coil (B01D 21/0054 takes precedence)}

B01D 21/267 ・・{by using a cyclone}

B01D 21/28 ・Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like

B01D 21/283 ・・{Settling tanks provided with vibrators}

B01D 21/286 ・・{Means for gentle agitation for enhancing flocculation}

B01D 21/30 ・Control equipment

B01D 21/302 ・・{Active control mechanisms with external energy e.g. with solenoid valve}

B01D 21/305 ・・{Control of chemical properties of a component, e.g. control of pH}

B01D 21/307 ・・{Passive control mechanisms without external energy, e.g. using a float}

B01D 21/32 ・・Density control of clear liquid or sediment, e.g. optical control; {Control of physical properties}

B01D 21/34 ・・Regulation of feed distribution; Regulation of liquid level; {Control of process parameters}

B01D 23/00 Gravity filters (with moving filtering elements B01D 33/0035)

B01D 23/005 ・{making filtering elements, not provided for elesewhere (see also B01D 25/001, B01D 27/005, B01D 29/0093)}

B01D 23/02 ・with fixed filter bodies

B01D 23/04 ・・with filter bags filtering from the inside

B01D 23/06 ・・with rigid tubular bodies

B01D 23/08 ・・with saucer-shaped filtering elements

B01D 23/10 ・with loose filter material

B01D 23/12 ・・with filtering material supported on louvred sides

B01D 23/14 ・・carbon filters

B01D 23/16 ・・Sand or gravel filters {(filterbed-basin filters, small bed filters, e.g. in closed housing B01D 23/10)}

B01D 23/18 ・・Bottoms of filter beds

B01D 23/20 ・Feed or discharge devices (nozzles B05B)

B01D 23/205 ・・{Special adaptation of spray heads therefor}

B01D 23/24 ・Regeneration of the filter material in the filter

B01D 23/26 ・integrally combined with devices for controlling the filtration {(shutting-off elements, changing over from one element to another B01D 35/12, B01D 35/14; control of filtration processes B01D 37/04)}

B01D 23/28 ・Filter funnels; Holders therefor (funnels in general B67C; {funnels for laboratory use B01L; coffee or tea strainers or apparatus A47J 31/00 - A47J 31/06})

B01D 24/00 Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D 27/02 takes precedence)

B01D 24/001 ・{Making filter elements (not provided for elsewhere)(see also B01D 25/001, B01D 27/005, B01D 29/012, B01D 29/111, B01D 33/0093)}

B01D 24/002 ・{with multiple filtering elements in parallel connection}

B01D 24/004 ・・{arranged concentrically or coaxially}

B01D 24/005 ・・{Filters being divided into a plurality of cells or compartments (B01D 24/004 takes precedence)}

B01D 24/007 ・{with multiple filtering elements in series connection}

B01D 24/008 ・・{arranged concentrically or coaxially}

B01D 24/02 ・with the filter bed stationary during the filtration

B01D 24/04 ・・the filtering material being clamped between pervious fixed walls (B01D 24/10, B01D 24/20 take precedence)

B01D 24/042 ・・・{the filtering material being held in a flexible porous bag}

B01D 24/045 ・・・{with at least one flat vertical wall}

B01D 24/047 ・・・・{with vertical tubes distributing the liquid to be filtered or for collecting filtrate}

B01D 24/06 ・・・the pervious walls comprising a series of louvres or slots

B01D 24/08 ・・・the filtering material being supported by at least two pervious coaxial walls

B01D 24/10 ・・the filtering material being held in a closed container

B01D 24/105 ・・・{downward filtration without specifications about the filter material supporting means}

B01D 24/12 ・・・Downward filtration, the filtering material being supported by pervious surfaces (B01D 24/18 takes precedence)

B01D 24/14 ・・・Downward filtration, the container having distribution or collection headers or pervious conduits (B01D 24/18 takes precedence)

B01D 24/16 ・・・Upward filtration (B01D 24/18 takes precedence)

B01D 24/165 ・・・・{the filtering material being supported by pervious surfaces}

B01D 24/167 ・・・・{the container having distribution or collection headers or pervious conduits}

B01D 24/18 ・・・Combined upward and downward filtration

B01D 24/183 ・・・・{the filtering material being supported by pervious surfaces}

B01D 24/186 ・・・・{the container having distribution or collection headers or pervious conduits}

B01D 24/20 ・・the filtering material being provided in an open container

B01D 24/205 ・・・{Downward filtration without specifications about the filter material supporting means}

B01D 24/22 ・・・Downward filtration, the filter material being supported by pervious surfaces

B01D 24/24 ・・・Downward filtration, the container having distribution or collection headers or pervious conduits

B01D 24/26 ・・・Upward filtration

B01D 24/263 ・・・・{the filtering material being supported by pervious surfaces}

B01D 24/266 ・・・・{the container having distribution or collection headers or pervious conduits}

B01D 24/28 ・with the filter bed moving during the filtration (with the filter bed fluidised B01D 24/36)

B01D 24/30 ・・Translation

B01D 24/305 ・・・{Vibrations}

B01D 24/32 ・・Rotation

B01D 24/34 ・with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D 33/327)

B01D 24/36 ・with the filter bed fluidised during the filtration (with the filter bed being stationary B01D 24/02)

B01D 24/38 ・Feed or discharge devices

B01D 24/383 ・・{using multiple way valves}

B01D 24/386 ・・{internal recirculation}

B01D 24/40 ・・for feeding

B01D 24/402 ・・・{containing fixed liquid displacement elements or cores}

B01D 24/405 ・・・{Special treatment of the feed stream before contacting the filtering material, e.g. cutting (B01D 35/24, B01D 37/02, B01D 37/03 take precedence)}

B01D 24/407 ・・・{provoking a tangential stream}

B01D 24/42 ・・for discharging filtrate

B01D 24/425 ・・・{containing fixed liquid displacement elements or cores}

B01D 24/44 ・・for discharging filter cake, e.g. chutes

B01D 24/46 ・Regenerating the filtering material in the filter (B01D 24/44 takes precedence)

B01D 24/4605 ・・{by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer (B01D 24/4631 takes precedence)}

B01D 24/461 ・・・{by scrapers}

B01D 24/4615 ・・・{by brushes}

B01D 24/4621 ・・・{by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream}

B01D 24/4626 ・・{Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging}

B01D 24/4631 ・・{Counter-current flushing, e.g. by air}

B01D 24/4636 ・・・{with backwash shoes; with nozzles}

B01D 24/4642 ・・・{with valves, e.g. rotating valves}

B01D 24/4647 ・・・・{with a rectilinear movement of the closing means}

B01D 24/4652 ・・・{by using gasbumps}

B01D 24/4657 ・・・{by using membranes}

B01D 24/4663 ・・・{by using pistons}

B01D 24/4668 ・・{by moving the filtering element (B01D 24/4605 and B01D 24/4631 take precedence)}

B01D 24/4673 ・・・{using rotary devices or vibration mechanisms, e.g. stirrers}

B01D 24/4678 ・・・{using free vortex flow}

B01D 24/4684 ・・・{using spray devices}

B01D 24/4689 ・・・{Displacement of the filtering material to a compartment of the filtering device for regeneration}

B01D 24/4694 ・・{containing filter material retaining means (e.g. screens, balls) placed on the surface of the filter material}

B01D 24/48 ・integrally combined with devices for controlling the filtration

B01D 24/4807 ・・{Handling the filter cake for purposes other than regenerating}

B01D 24/4815 ・・・{for washing}

B01D 24/4823 ・・・{for drying}

B01D 24/483 ・・・・{by compression}

B01D 24/4838 ・・・・{by gases or by heating}

B01D 24/4846 ・・・{Retarding cake deposition on the filter during the filtration period, e.g. using stirrers (B01D 24/407 takes precedence)}

B01D 24/4853 ・・{by clearness or turbidity measuring}

B01D 24/4861 ・・{by flow measuring}

B01D 24/4869 ・・{by level measuring}

B01D 24/4876 ・・{in which the filtering elements are moved between filtering operations; particular measures for removing or replacing the filtering elements (B01D 24/46, B01D 24/4807 take precedence)}

B01D 24/4884 ・・{by pressure measuring}

B01D 24/4892 ・・{by temperature measuring}

B01D 25/00 Filters formed by clamping together several filtering elements or parts of such elements (disc filters B01D 29/39)

B01D 25/001 ・{Making filtering elements (not provided for elsewhere; see also B01D 24/001, B01D 27/005, B01D 29/012, B01D 29/111, B01D 33/0093)}

B01D 25/002 ・{Clamping devices (B01D 25/12 and subgroups take precedence)}

B01D 25/003 ・{integrally combined with devices for controlling the filtration}

B01D 25/004 ・・{by clearness or turbidity measuring}

B01D 25/005 ・・{by flow measuring}

B01D 25/006 ・・{by level measuring}

B01D 25/007 ・・{by pressure measuring}

B01D 25/008 ・・{by temperature measuring}

B01D 25/02 ・in which the elements are pre-formed independent filtering units, e.g. modular systems

B01D 25/04 ・with screens or sheets, e.g. cloths, paper (B01D 25/12 takes precedence)

B01D 25/06 ・with loose, granular of fibrous filtering material

B01D 25/08 ・with rigid self-supporting filtering elements

B01D 25/10 ・in which the suspended particles form the filtering medium

B01D 25/12 ・Filter presses, i.e. of the plate and frame type {(filter presses in which the liquid is removed by pressing-out solid matter B30B)}

B01D 25/121 ・・{with bandshaped filtering elements intermittently entrained between the press plates, the lateral sides of the elements being clamped between two successive plates or between a plate and a successive frame during the filtration period, e.g. zigzag endless filter belts}

B01D 25/122 ・・{Construction of the plates}

B01D 25/124 ・・{Pressing-out operation after filtration, e.g. of the cake (presses in general B30)}

B01D 25/125 ・・{Opening and/or closing and/or pressure applying devices or means}

B01D 25/127 ・・with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands (B01D 25/172, B01D 25/176, B01D 25/19 take precedence)

B01D 25/1275 ・・・{the plates or the frames being placed in a non-vertical position}

B01D 25/14 ・・Clamping means {clamping of filter cloth or similar securing means}

B01D 25/16 ・Edge filtering elements, i.e. using contiguous impervious surfaces

B01D 25/164 ・・Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D 25/127, B01D 25/172, B01D 25/176, B01D 25/19 take precedence)

B01D 25/1645 ・・・{the plates being placed in a non-vertical position}

B01D 25/172 ・・Plate spreading means (removal of filter cakes B01D 25/32)

B01D 25/176 ・・attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates

B01D 25/18 ・・of flat, stacked bodies

B01D 25/19 ・・Clamping means for closing the filter press, e.g. hydraulic jacks

B01D 25/20 ・・of spirally or helically wound bodies

B01D 25/21 ・・Plate and frame presses (B01D 25/172, B01D 25/176, B01D 25/19 take precedence)

B01D 25/215 ・・・{Construction of the filter plates, frames}

B01D 25/22 ・Cell-type filters

B01D 25/24 ・・Cell-type roll filters

B01D 25/26 ・・Cell-type stack filters

B01D 25/28 ・Leaching or washing filter cakes in the filter {handling the filter cake for purposes other than regenerating}

B01D 25/281 ・・{specially for chamber filter presses}

B01D 25/282 ・・{for drying}

B01D 25/284 ・・・{by gases or by heating}

B01D 25/285 ・・・{by compression using inflatable membranes}

B01D 25/287 ・・・{by compression using pistons}

B01D 25/288 ・・{Retarding cake deposition on the filter during the filtration period, e.g. using stirrers}

B01D 25/30 ・Feeding devices; {Discharge devices}

B01D 25/302 ・・{specially adapted for chamber filter presses}

B01D 25/305 ・・{for discharging filtrate}

B01D 25/307 ・・{with internal recirculation through the filtering element (B01D 37/02 takes precedence)}

B01D 25/32 ・Removal of the filter cakes

B01D 25/322 ・・{specially for chamber filter presses}

B01D 25/325 ・・{counter-current flushing, e.g. by air bumps}

B01D 25/327 ・・・{with backwash shoes, with nozzles}

B01D 25/34 ・・by moving, {e.g. rotating,} the filter elements {(B01D 25/172, B01D 25/19 take precedence)}

B01D 25/343 ・・・{Particular measures for replacing or isolating one or more filtering elements; Transport systems for the filtering apparatus (B01D 25/28, B01D 25/32, B01D 25/346, B01D 25/36 take precedence)}

B01D 25/346 ・・・{by vibration}

B01D 25/36 ・・・by centrifugal force

B01D 25/38 ・・by moving parts, e.g. scrapers, contacting stationary filter elements {sprayers}

B01D 25/383 ・・・{Brushes}

B01D 25/386 ・・・{Nozzles}

B01D 27/00 Cartridge filters of the throw-away type

B01D 27/005 ・{Making filter elements (not provided for elsewhere)(see also B01D 24/001, B01D 25/001, B01D 29/012, B01D 29/111, B01D 33/0093)}

B01D 27/02 ・with cartridges made from a mass of loose {granular or fibrous} material

B01D 27/04 ・with cartridges made of a piece of unitary material, e.g. filter paper

B01D 27/06 ・・with corrugated, folded or wound material

B01D 27/07 ・・・having a coaxial stream through the filtering element

B01D 27/08 ・Construction of the casing

B01D 27/10 ・Safety devices, e.g. by-passes

B01D 27/101 ・・{Filter condition indicators}

B01D 27/103 ・・{Bypass or safety valves}

B01D 27/105 ・・{Bidirectional working filters}

B01D 27/106 ・・{Anti-leakage or anti-return valves}

B01D 27/108 ・・{Flow control valves; Damping or calibrated passages}

B01D 27/14 ・having more than one filtering element

B01D 27/142 ・・{connected in parallel}

B01D 27/144 ・・・{arranged concentrically or coaxially}

B01D 27/146 ・・{connected in series}

B01D 27/148 ・・・{arranged concentrically or coaxially}

B01D 29/00 Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor {(B01D 24/00, B01D 25/00 and B01D 27/00 take precedence)}

B01D 29/0002 ・{Aspects of other filters with filtering elements stationary during filtration, or of filtering elements thereof}

B01D 29/0004 ・・{Filters with flat filtering elements}

B01D 29/0006 ・・・{Making filtering elements}

B01D 29/0009 ・・・{with curved filtering elements}

B01D 29/0011 ・・・{ring shaped}

B01D 29/0013 ・・{Filters in which the filtering elements are moved between filtering operations; Means specially adapted for removing the filtering elements or introducing new ones; Transport systems specially adapted for the filtering elements}

B01D 29/0015 ・・・{Filtering bands}

B01D 29/0018 ・・{Filters with screens or sheets, e.g. cloth, paper}

B01D 29/002 ・・・{with rigid, self-supporting filtering elements, e.g. of ceramic material}

B01D 29/0022 ・・・{Filters with corrugated, folded, or wound sheets}

B01D 29/0025 ・・・・{allowing a coaxial stream through the filtering element (for cartridge filters B01D 27/06B)}

B01D 29/0027 ・・{Filters with loose, granular, or fibrous filtering material}

B01D 29/0029 ・・{Bag, cage, hose, tube, sleeve, or like filters}

B01D 29/0031 ・・・{Pressing-out operation after filtration, e.g. by means of membranes (filter presses per seB01D 25/12)}

B01D 29/0034 ・・・{Filters having flexible filtering material}

B01D 29/0036 ・・・・{which is supported}

B01D 29/0038 ・・・・・{on solid frames with surface grooves and the like}

B01D 29/004 ・・・・・{to take up a concertina shape during filtration}

B01D 29/0043 ・・・{having rigid self-supporting filtering material (B01D 29/0068 takes precedence)}

B01D 29/0045 ・・・・{Edge filtering elements}

B01D 29/0047 ・・・{with multiple filtering units}

B01D 29/005 ・・・・{connected in parallel (B01D 29/0056 takes precedence)}

B01D 29/0052 ・・・・{connected in series (B01D 29/0059 takes precedence)}

B01D 29/0054 ・・・・{arranged concentrically or coaxially}

B01D 29/0056 ・・・・・{connected in parallel}

B01D 29/0059 ・・・・・{connected in series}

B01D 29/0061 ・・・{which are vibrated}

B01D 29/0063 ・・・{which are open-ended}

B01D 29/0065 ・・・{Filter candles}

B01D 29/0068 ・・{Filters with hollow discs side-by-side on or around one or more tubes (with elements moving during filtration B01D 33/0048, B01D 33/0051)}

B01D 29/007 ・・・{having filtrate discharge tubes fixed non-perpendicularly to the filtering surfaces}

B01D 29/0072 ・・Filters integrally combined with devices for controlling the filtration(for shutting-off elements or changing over from one element to anotherB01D 35/12,B01D 35/14; controlling filtration processesB01D 37/04)

B01D 29/0075 ・・{Regeneration of the filtering material in the filter (for two separate filter elements placed in different units B01D 35/12)}

B01D 29/0077 ・・・{by scrapers, brushes, nozzles or the like placed on the cake-side of the filters (B01D 29/0084 takes precedence)}

B01D 29/0079 ・・・{Counter-current flushing, e.g. by air bumps}

B01D 29/0081 ・・・・{with backwash shoes; with nozzles}

B01D 29/0084 ・・・{by moving the filter element (B01D 29/0088 takes precedence)}

B01D 29/0086 ・・・・{by vibration}

B01D 29/0088 ・・・{by centrifugal force}

B01D 29/009 ・・{Filters having feed or discharge devices}

B01D 29/0093 ・{Making filtering elements (not provided for elsewhere)(see also B01D 23/005, B01D 25/001, B01D 27/005)}

B01D 29/0095 ・{Flat filtering elements (B01D 25/12, B01D 25/26, B01D 29/0015, B01D 29/0068 take precedence)}

B01D 29/0097 ・{Curved filtering elements, e.g. concave filtering elements}

B01D 29/01 ・with flat filtering elements (B01D 29/39 takes precedence)

B01D 29/012 ・・{Making filtering elements (making bag, cage, hose, tube, sleeve or like filtering elements B01D 29/111)}

B01D 29/014 ・・{with curved filtering elements (construction B01D 29/035, B01D 29/071)}

B01D 29/016 ・・{with corrugated, folded or wound filtering elements}

B01D 29/018 ・・{ring shaped}

B01D 29/03 ・・self-supporting

B01D 29/031 ・・・{with corrugated, folded filtering elements}

B01D 29/035 ・・・{with curved filtering elements}

B01D 29/036 ・・・{ring shaped}

B01D 29/038 ・・・・{with corrugated, folded filtering elements}

B01D 29/05 ・・supported

B01D 29/055 ・・・{ring shaped}

B01D 29/07 ・・・with corrugated, folded or wound filtering sheets

B01D 29/071 ・・・・{with curved filtering elements (B01D 29/072, B01D 29/073 take precedence)}

B01D 29/072 ・・・・{ring shaped}

B01D 29/073 ・・・・{with wound filtering sheets}

B01D 29/085 ・Funnel filters; Holders therefor

B01D 29/09 ・with filtering bands, e.g. movable between filtering operations {(B01D 25/121 takes precedence)}

B01D 29/093 ・・{combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper}

B01D 29/096 ・・{Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts}

B01D 29/11 ・with bag, cage, hose, tube, sleeve or like filtering elements

B01D 29/111 ・・{Making filtering elements}

B01D 29/112 ・・{Ring shaped filters wherein both opposite axial sides are opened and the axial length is shorter than the diameter, e.g. as used in hydraulic transmission systems}

B01D 29/114 ・・{arranged for inward flow filtration (B01D 29/15, B01D 29/33 take precedence)}

B01D 29/115 ・・・{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}

B01D 29/117 ・・{arranged for outward flow filtration (B01D 29/23, B01D 29/35 take precedence)}

B01D 29/118 ・・・{open-ended}

B01D 29/13 ・・Supported filter elements

B01D 29/15 ・・・arranged for inward flow filtration

B01D 29/17 ・・・・open-ended {the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}

B01D 29/19 ・・・・on solid frames with surface grooves or the like

B01D 29/21 ・・・・with corrugated, folded or wound sheets

B01D 29/213 ・・・・・{having a concertina shape}

B01D 29/216 ・・・・・{with wound sheets}

B01D 29/23 ・・・arranged for outward flow filtration

B01D 29/232 ・・・・{with corrugated, folded or wound sheets}

B01D 29/235 ・・・・・{having a concertina shape}

B01D 29/237 ・・・・・{with wound sheets}

B01D 29/25 ・・・・open-ended {the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}

B01D 29/27 ・・・・Filter bags

B01D 29/31 ・・Self-supporting filtering elements

B01D 29/33 ・・・arranged for inward flow filtration

B01D 29/333 ・・・・{with corrugated, folded filtering elements}

B01D 29/336 ・・・・{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}

B01D 29/35 ・・・arranged for outward flow filtration

B01D 29/353 ・・・・{with corrugated, folded filtering elements}

B01D 29/356 ・・・・{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}

B01D 29/39 ・with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type

B01D 29/395 ・・{mounted axially on the tube}

B01D 29/41 ・・mounted transversely on the tube

B01D 29/413 ・・・{divided in sectors}

B01D 29/416 ・・・{Filtering tables}

B01D 29/43 ・・mounted otherwise than transversely on the tube {mounted otherwise than axially on the tube}

B01D 29/44 ・Edge filtering elements, i.e. using contiguous impervious surfaces

B01D 29/445 ・・{Bar screens}

B01D 29/46 ・・of flat, stacked bodies

B01D 29/48 ・・of spirally or helically wound bodies

B01D 29/50 ・with multiple filtering elements, characterised by their mutual disposition (B01D 29/39 takes precedence)

B01D 29/52 ・・in parallel connexion

B01D 29/54 ・・・arranged concentrically or coaxially

B01D 29/56 ・・in series connexion

B01D 29/58 ・・・arranged concentrically or coaxially

B01D 29/60 ・integrally combined with devices for controlling the filtration

B01D 29/601 ・・{by clearness or turbidity measuring}

B01D 29/603 ・・{by flow measuring}

B01D 29/605 ・・{by level measuring}

B01D 29/606 ・・{by pressure measuring}

B01D 29/608 ・・{by temperature measuring}

B01D 29/62 ・Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D 35/12)

B01D 29/64 ・・by scrapers, brushes, {nozzles}, or the like, acting on the cake side of the filtering element

B01D 29/6407 ・・・{brushes}

B01D 29/6415 ・・・・{with a rotary movement with respect to the filtering element}

B01D 29/6423 ・・・・{with a translational movement with respect to the filtering element}

B01D 29/643 ・・・・{with a combination of movements with respect to the filtering elements}

B01D 29/6438 ・・・{nozzles}

B01D 29/6446 ・・・・{with a rotary movement with respect to the filtering element}

B01D 29/6453 ・・・・{with a translational movement with respect to the filtering element}

B01D 29/6461 ・・・・{with a combination of movements with respect to the filtering elements}

B01D 29/6469 ・・・{scrapers}

B01D 29/6476 ・・・・{with a rotary movement with respect to the filtering element}

B01D 29/6484 ・・・・{with a translatory movement with respect to the filtering element}

B01D 29/6492 ・・・・{with a combination of movements with respect to the filtering elements}

B01D 29/66 ・・by flushing, e.g. counter-current air-bumps

B01D 29/661 ・・・{by using gas-bumps}

B01D 29/663 ・・・{by using membranes}

B01D 29/665 ・・・{by using pistons}

B01D 29/666 ・・・{by a stirrer placed on the filtrate side of the filtering element}

B01D 29/668 ・・・{with valves, e.g. rotating valves for coaxially placed filtering elements}

B01D 29/68 ・・・with backwash arms, shoes or nozzles

B01D 29/682 ・・・・{with a rotary movement with respect to the filtering element}

B01D 29/684 ・・・・{with a translatory movement with respect to the filtering element}

B01D 29/686 ・・・・{with a combination of movements with respect to the filtering elements}

B01D 29/688 ・・・・{with backwash arms or shoes acting on the cake side}

B01D 29/70 ・・by forces created by movement of the filter element

B01D 29/705 ・・・{by compression of compressible filter medium, e.g foam}

B01D 29/72 ・・・involving vibrations

B01D 29/74 ・・・involving centrifugal force

B01D 29/76 ・Handling the filter cake in the filter for purposes other than for regenerating (B01D 29/94 takes precedence)

B01D 29/78 ・・for washing

B01D 29/80 ・・for drying

B01D 29/82 ・・・by compression

B01D 29/822 ・・・・{using membranes}

B01D 29/824 ・・・・{using pistons}

B01D 29/826 ・・・・{using rollers}

B01D 29/828 ・・・・{using screws (B01D 29/6476 takes precedence)}

B01D 29/84 ・・・by gases or by heating

B01D 29/843 ・・・・{by direct contact with a fluid}

B01D 29/846 ・・・・{by indirect heat-exchange}

B01D 29/86 ・・Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D 29/908 takes precedence)}

B01D 29/865 ・・・{by vibration of the liquid}

B01D 29/88 ・having feed or discharge devices

B01D 29/885 ・・{with internal recirculation through the filtering element (B01D 37/02 takes precedence)}

B01D 29/90 ・・for feeding

B01D 29/902 ・・・{containing fixed liquid displacement elements or cores}

B01D 29/904 ・・・{directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously (B01D 29/115, B01D 29/118, B01D 29/17, B01D 29/25, B01D 29/336, B01D 29/356, B01D 29/902, B01D 29/908 take precedence)}

B01D 29/906 ・・・{Special treatment of the feed stream before contacting the filtering element, e.g. cutting (B01D 35/24, B01D 37/02, B01D 37/03 take precedence)}

B01D 29/908 ・・・{provoking a tangential stream}

B01D 29/92 ・・for discharging filtrate

B01D 29/925 ・・・{containing liquid displacement elements or cores}

B01D 29/94 ・・for discharging the filter cake, e.g. chutes

B01D 29/945 ・・・{for continuously discharging concentrated liquid}

B01D 29/96 ・in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters (B01D 29/09, B01D 29/70 take precedence)

B01D 29/965 ・・{Device for changing the inclination of the filtering element}

B01D 33/00 Filters with filtering elements which move during the filtering operation (filters comprising loose filtering material moving or fluidised during filtration B01D 24/28 to B01D 24/36; centrifuges B04B)

B01D 33/0003 ・{Aspects of filters with filtering elements which move during the filtering operation}

B01D 33/0006 ・・{with rotating filtering surfaces (rotating brush filters B01D 35/10)}

B01D 33/0009 ・・・{with cylindrical filtering surfaces, e.g. hollow drums, rotating drum filters for paper making D21B}

B01D 33/0012 ・・・・{Drums provided with cells each independently connected with pressure distributor}

B01D 33/0016 ・・・・{Drums with a single compartment}

B01D 33/0019 ・・・・・{arranged for outward flow filtration}

B01D 33/0022 ・・・・{combined with filtering bands or the like}

B01D 33/0025 ・・・・・{with endless filtering bands}

B01D 33/0029 ・・・・・・{with multiple filtering bands with or without one or more non filtering bands}

B01D 33/0032 ・・・・{with loose, granular, or fibrous filtering material}

B01D 33/0035 ・・・・{Gravity filters}

B01D 33/0038 ・・・・・{with external feed}

B01D 33/0041 ・・・{with plane surfaces}

B01D 33/0045 ・・・・{with rotary tables}

B01D 33/0048 ・・・・{with hollow discs transversely mounted on a hollow shaft}

B01D 33/0051 ・・・・{with hollow frames axially mounted on a hollow shaft}

B01D 33/0054 ・・・・{with loose, granular, or fibrous filtering material}

B01D 33/0058 ・・・{with filtering surfaces travelling along conveyers (tipping bucket type B01D 35/08; brush filters B01D 35/10)}

B01D 33/0061 ・・{Accessories and components}

B01D 33/0064 ・・・{Devices for handling the filter cake, e.g. washing, discharging}

B01D 33/0067 ・・・・{with scrapers, brushes, nozzles or the like placed on the cake-side of the filter (B01D 33/0074 takes precedence)}

B01D 33/007 ・・・・{counter-current flushing}

B01D 33/0074 ・・・・・{with backwash shoes, with nozzles}

B01D 33/0077 ・・・・{by moving the filter element}

B01D 33/008 ・・・・・{by vibration}

B01D 33/0083 ・・・・・{by centrifugal force}

B01D 33/0087 ・・・{Feed or discharge devices for liquids}

B01D 33/009 ・・・{Pressure distribution systems (pressure distribution systems for filters with tipping buckets or trays B01D 35/08)}

B01D 33/0093 ・{Making filter elements (not provided for elsewhere)(see also B01D 24/001, B01D 25/001, B01D 27/005, B01D 29/012, B01D 29/111)}

B01D 33/0096 ・・{moving rectilinearly (filters 35/10)}

B01D 33/01 ・with translationally moving filtering elements, e.g. pistons (B01D 33/04 to B01D 33/327 take precedence)

B01D 33/0108 ・・{with bag, cage, hose, tube, sleeve or the like filtering elements}

B01D 33/0116 ・・・{arranged for inward flow filtration}

B01D 33/0125 ・・・・{open ended}

B01D 33/0133 ・・・{arranged for outward flow filtration}

B01D 33/0141 ・・・・{open ended}

B01D 33/015 ・・{with flat filtering elements}

B01D 33/0158 ・・・{self-supporting}

B01D 33/0166 ・・・・{Bar screens}

B01D 33/0175 ・・・・{with curved filtering elements}

B01D 33/0183 ・・・{supported}

B01D 33/0191 ・・・・{with corrugated, folded or wound filtering sheets}

B01D 33/03 ・・with vibrating filter elements

B01D 33/0307 ・・・{with bag, cage, hose, tube, sleeve or the like filtering elements}

B01D 33/0315 ・・・・{arranged for inward flow filtration}

B01D 33/0323 ・・・・・{open ended}

B01D 33/033 ・・・・{arranged for outward flow filtration}

B01D 33/0338 ・・・・・{open ended}

B01D 33/0346 ・・・{with flat filtering elements}

B01D 33/0353 ・・・・{self-supporting}

B01D 33/0361 ・・・・・{Bar screens}

B01D 33/0369 ・・・・・{with curved filtering elements}

B01D 33/0376 ・・・・{supported}

B01D 33/0384 ・・・・・{with corrugated, folded or wound filtering sheets}

B01D 33/0392 ・・・・・{with curved filtering elements}

B01D 33/04 ・with filtering bands or the like supported on cylinders which are impervious for filtering

B01D 33/042 ・・{whereby the filtration and squeezing-out take place between at least two filtering bands}

B01D 33/044 ・with filtering bands or the like supported on cylinders which are pervious for filtering

B01D 33/048 ・・with endless filtering bands

B01D 33/056 ・Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts

B01D 33/0565 ・・{combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper}

B01D 33/06 ・with rotary cylindrical filtering surfaces, e.g. hollow drums (B01D 33/044 takes precedence; {rotating drums for paper-making D21B})

B01D 33/067 ・・Construction of the filtering drums, e.g. mounting or sealing arrangements

B01D 33/073 ・・arranged for inward flow filtration

B01D 33/09 ・・・with surface cells independently connected to pressure distributors

B01D 33/11 ・・arranged for outward flow filtration

B01D 33/13 ・・・with surface cells independently connected to pressure distributors

B01D 33/15 ・with rotary plane filtering surfaces

B01D 33/155 ・・{the filtering surface being parallel to the rotation axis}

B01D 33/17 ・・with rotary filtering tables (tables divided into separately tiltable buckets, trays or like sections B01D 33/327)

B01D 33/19 ・・・the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake

B01D 33/21 ・・with hollow filtering discs transversely mounted on a hollow rotary shaft

B01D 33/215 ・・・{the filtering discs being fixed inwardly on a rotating construction}

B01D 33/23 ・・・Construction of discs or component sectors thereof

B01D 33/25 ・・with hollow frames axially mounted on a hollow rotary shaft

B01D 33/27 ・with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces

B01D 33/275 ・・{using contiguous impervious surfaces}

B01D 33/29 ・the movement of the filter elements being a combination of movements (B01D 33/19 takes precedence)

B01D 33/31 ・・Planetary movement

B01D 33/327 ・・Tipping buckets, trays or like sections

B01D 33/333 ・with individual filtering elements moving along a closed path (tipping buckets, trays or like sections B01D 33/327)

B01D 33/35 ・with multiple filtering elements characterised by their mutual disposition }, B01D 33/21 take precedence)

B01D 33/37 ・・in parallel connexion

B01D 33/39 ・・・concentrically or coaxially

B01D 33/41 ・・in series connexion

B01D 33/42 ・・・concentrically or coaxially

B01D 33/44 ・Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D 35/12)

B01D 33/46 ・・by scrapers, brushes {nozzles} or the like acting on the cake-side of the filtering element {(B01D 33/503 takes precedence)}

B01D 33/461 ・・・{brushes}

B01D 33/463 ・・・{nozzles}

B01D 33/465 ・・・{take-off rollers}

B01D 33/466 ・・・{scrapers}

B01D 33/468 ・・・{wires, strands, strings or the like}

B01D 33/48 ・・by flushing, e.g. counter-current air-bumps

B01D 33/50 ・・・with backwash arms, shoes or nozzles

B01D 33/503 ・・・・{the backwash arms, shoes acting on the cake side}

B01D 33/506 ・・・・{with a stirrer placed on the filtrate side}

B01D 33/52 ・・by forces created by movement of the filter element

B01D 33/54 ・・・involving vibrations

B01D 33/56 ・・・involving centrifugal force

B01D 33/58 ・Handling the filter cake in the filter for purposes other than for regenerating (B01D 33/76 takes precedence){the filter cake remaining on the filtering element}

B01D 33/60 ・・for washing

B01D 33/62 ・・for drying

B01D 33/64 ・・・by compression

B01D 33/642 ・・・・{by pressure belts}

B01D 33/644 ・・・・{by pressure plates, membranes}

B01D 33/646 ・・・・{by pressure rollers}

B01D 33/648 ・・・・{by screws}

B01D 33/66 ・・・by gases or by heating

B01D 33/663 ・・・・{by direct contact with a fluid}

B01D 33/666 ・・・・{by indirect heat-exchange}

B01D 33/68 ・・Retarding cake deposition on the filter during the filtration period, e.g. using stirrers

B01D 33/70 ・having feed or discharge devices (B01D 33/82 takes precedence)

B01D 33/705 ・・{with internal recirculation through the filter}

B01D 33/72 ・・for feeding

B01D 33/722 ・・・{containing fixed liquid displacement elements or cores}

B01D 33/725 ・・・{Special treatment of the feed stream before contacting the filtering element, e.g. cutting (B01D 35/24, B01D 37/02, B01D 37/03 take precedence)}

B01D 33/727 ・・・{provoking a tangential stream}

B01D 33/74 ・・for discharging filtrate

B01D 33/742 ・・・{containing fixed liquid displacement elements or cores}

B01D 33/745 ・・・{Construction of suction casings, pans, or the like}

B01D 33/747 ・・・・{moving during the filtration period}

B01D 33/76 ・・for discharging the filter cake, e.g. chutes

B01D 33/763 ・・・{for continuously discharging concentrated liquid}

B01D 33/766 ・・・{Devices for breaking the filter cake, e.g. cutting}

B01D 33/80 ・Accessories

B01D 33/801 ・・{Driving means, shaft packing systems or the like}

B01D 33/802 ・・{Device for changing the inclination of the filtering element}

B01D 33/803 ・・{in which the filtering elements are moved between filtering operations (B01D 33/52 takes precedence); Particular measures for removing or replacing the filtering elements; Transport systems for filters}

B01D 33/804 ・・{integrally combined with devices for controlling the filtration}

B01D 33/805 ・・・{by clearness or turbidity measuring}

B01D 33/806 ・・・{by flow measuring}

B01D 33/807 ・・・{by level measuring}

B01D 33/808 ・・・{by pressure measuring}

B01D 33/809 ・・・{by temperature measuring}

B01D 33/82 ・・Means for pressure distribution

B01D 35/00 Other filtering devices; Auxiliary devices for filtration; Filter housing constructions

B01D 35/005 ・{Filters specially adapted for use in internal-combustion engine lubrication or fuel systems, not of special interest for B01D 23/00 - B01D 33/00(internal-combustion engine lubricating systems F02M; lubrication in general F16N)}

B01D 35/02 ・Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks, (B01D 35/05 takes precedence; {water pipe system filters E03B 3/18, E03B 7/07; dirt catchers in sewers E03F; filters or strainers for pipe-lines in general B08B, E03F; object or dirt catching devices in sinks or the like E03C 1/26; suction strainers or filters for pumps F04B 53/005, F04D 29/70})

B01D 35/023 ・・{Filler pipe filters}

B01D 35/027 ・・rigidly mounted in or on tanks or reservoirs (B01D 35/04 takes precedence)

B01D 35/0273 ・・・{Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs}

B01D 35/0276 ・・・{Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs}

B01D 35/04 ・・Plug, tap, or cock filters {filtering elements mounted in or on a faucet}

B01D 35/043 ・・・{Reversible faucet filters}

B01D 35/046 ・・・{the filtering element being mounted in the faucet plug}

B01D 35/05 ・Floating filters

B01D 35/06 ・Filters making use of electricity or magnetism (ultrafiltration, microfiltration B01D 61/14; electrodialysis, electro-osmosis B01D 61/42; devices comprising filters and magnetic separators B03C 1/30)

B01D 35/08 ・Filters with tipping buckets or trays

B01D 35/10 ・Brush filters {Rotary brush filters}

B01D 35/12 ・Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration

B01D 35/14 ・Safety devices specially adapted for filtration (preventing or minimising fires or explosions A62C); Devices for indicating clogging (incorporated in a throw-away filter B01D 27/10)

B01D 35/143 ・・Filter condition indicators

B01D 35/1435 ・・・{with alarm means}

B01D 35/147 ・・Bypass or safety valves

B01D 35/1475 ・・・{Pressure relief valves or pressure control valves}

B01D 35/15 ・・Bidirectional working filters

B01D 35/153 ・・Anti-leakage or anti-return valves

B01D 35/157 ・・Flow control valves: Damping or calibrated passages

B01D 35/1573 ・・・{Flow control valves}

B01D 35/1576 ・・・{Calibrated passages}

B01D 35/16 ・Cleaning-out devices {e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid}

B01D 35/18 ・Heating or cooling the filters

B01D 35/185 ・・{comprising a vaporizing unit}

B01D 35/20 ・Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D 29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D 33/54, B01D 33/76)

B01D 35/22 ・Directing the mixture to be filtered on to the filters in a manner to clean the filters {(B01D 29/904 takes precedence)}

B01D 35/24 ・Providing loose granular material to scratch the filters clean

B01D 35/26 ・Filters with built-in pumps {filters provided with a pump mounted in or on the casing (aquarium pumps or filters A01K 63/04)}

B01D 35/28 ・Strainers not provided for elsewhere

B01D 35/30 ・Filter housing constructions

B01D 35/301 ・・{Constructions of two or more housings (B01D 35/12 takes precedence)}

B01D 35/303 ・・・{the housings being modular, e.g. standardised}

B01D 35/305 ・・{with features related to crash tests or crash safety measures}

B01D 35/306 ・・{Filter mounting adapter}

B01D 35/308 ・・{Made of at least two different materials, e.g. metal and plastic}

B01D 35/31 ・・including arrangements for environmental protection, e.g. pressure resisting features

B01D 35/32 ・・・against radiation

B01D 35/34 ・・open-topped (B01D 35/31 takes precedence)

B01D 36/00 Filter circuits or combinations of filters with other separating devices

B01D 36/001 ・{Filters in combination with devices for the removal of gas, air purge systems.}

B01D 36/003 ・{Filters in combination with devices for the removal of liquids (B01D 35/185 takes precedence)}

B01D 36/005 ・・{Liquid level sensing means, e.g. for water in gasoil-filters}

B01D 36/006 ・・{Purge means}

B01D 36/008 ・・{Means to filter or treat the separated liquid}

B01D 36/02 ・Combinations of filters of different kinds (B01D 29/50, B01D 33/35 take precedence)

B01D 36/04 ・Combinations of filters with settling tanks

B01D 36/045 ・・{Combination of filters with centrifugal separation devices}

B01D 37/00 Processes of filtration (processes specially adapted for filtering gases B01D 46/00)

B01D 37/02 ・Precoating the filter medium; Addition of filter aids to the liquid being filtered {(devices for feeding reagents C02F 1/685 and sub-groups; filter aids)}

B01D 37/025 ・・{additives incorporated in the filter}

B01D 37/03 ・using flocculating agents

B01D 37/04 ・Controlling the filtration

B01D 37/041 ・・{by clearness or turbidity measuring}

B01D 37/043 ・・{by flow measuring}

B01D 37/045 ・・{by level measuring}

B01D 37/046 ・・{by pressure measuring}

B01D 37/048 ・・{by temperature measuring}

B01D 39/00 Filtering material for liquid or gaseous fluids

B01D 39/02 ・Loose filtering material, e.g. loose fibres

B01D 39/04 ・・Organic material, e.g. cellulose, cotton

B01D 39/06 ・・Inorganic material, e.g. asbestos fibres, glass beads or fibres

B01D 39/08 ・Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D 39/10)

B01D 39/083 ・・{of organic material}

B01D 39/086 ・・{of inorganic material}

B01D 39/10 ・Filter screens essentially made of metal

B01D 39/12 ・・of wire gauze; of knitted wire; of expanded metal

B01D 39/14 ・Other self-supporting filtering material; {Other filtering material (non-woven fabrics in general D04H 3/00)}

B01D 39/16 ・・of organic material, e.g. synthetic fibres

B01D 39/1607 ・・・{the material being fibrous (B01D 39/18 takes precedence)}

B01D 39/1615 ・・・・{of natural origin}

B01D 39/1623 ・・・・{of synthetic origin}

B01D 39/163 ・・・・・{sintered or bonded}

B01D 39/1638 ・・・{the material being particulate}

B01D 39/1646 ・・・・{of natural origin, e.g. cork or peat}

B01D 39/1653 ・・・・{of synthetic origin}

B01D 39/1661 ・・・・・{sintered or bonded}

B01D 39/1669 ・・・{Cellular material}

B01D 39/1676 ・・・・{of synthetic origin}

B01D 39/1684 ・・・{Wound filtering material}

B01D 39/1692 ・・・{Other shaped material, e.g. perforated or porous sheets}

B01D 39/18 ・・・the material being cellulose or derivatives thereof ({cork or peat B01D 39/1646}; making filter paper D21F 11/14)

B01D 39/20 ・・of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires (porous ceramic material {C04B 38/00}; sintering metals C22C 1/04; {making porous sintered metal bodies B22F 3/10, honeycomb filters B01D 46/2418, materials used for filtering exhaust gases of an internal combustion engine F01N/022, ceramic honeycomb structures C04B 38/0006})

B01D 39/2003 ・・・{Glass or glassy material}

B01D 39/2006 ・・・・{the material being particulate}

B01D 39/201 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2013 ・・・・・{otherwise bonded, e.g. by resins}

B01D 39/2017 ・・・・{the material being filamentary or fibrous}

B01D 39/202 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2024 ・・・・・{otherwise bonded, e.g. by resins}

B01D 39/2027 ・・・{Metallic material}

B01D 39/2031 ・・・・{the material being particulate}

B01D 39/2034 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2037 ・・・・・{otherwise bonded}

B01D 39/2041 ・・・・{the material being filamentary or fibrous}

B01D 39/2044 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2048 ・・・・・{otherwise bonded}

B01D 39/2051 ・・・・{Metallic foam}

B01D 39/2055 ・・・{Carbonaceous material (solid sorbent compositions comprising free carbon B01J 20/20)}

B01D 39/2058 ・・・・{the material being particulate}

B01D 39/2062 ・・・・・{Bonded, e.g. activated carbon blocks}

B01D 39/2065 ・・・・{the material being fibrous}

B01D 39/2068 ・・・{Other inorganic materials, e.g. ceramics}

B01D 39/2072 ・・・・{the material being particulate or granular}

B01D 39/2075 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2079 ・・・・・{otherwise bonded, e.g. by resins}

B01D 39/2082 ・・・・{the material being filamentary or fibrous}

B01D 39/2086 ・・・・・{sintered or bonded by inorganic agents}

B01D 39/2089 ・・・・・{otherwise bonded, e.g. by resins}

B01D 39/2093 ・・・・{Ceramic foam}

B01D 39/2096 ・・・{Wound materials}

B01D 41/00 Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids

B01D 41/02 ・of loose filtering material

B01D 41/04 ・of rigid self-supporting filtering material

B01D 43/00 Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration (flotation processes B03D 1/00; drying solid materials or objects F26B)

B01D 45/00 Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces

B01D 45/02 ・by utilising gravity

B01D 45/04 ・by utilising inertia (B01D 45/12 takes precedence)

B01D 45/06 ・・by reversal of direction of flow

B01D 45/08 ・・by impingement against baffle separators

B01D 45/10 ・・・which are wetted

B01D 45/12 ・by centrifugal forces (centrifuges B04B; cyclones B04C)

B01D 45/14 ・・generated by rotating vanes, discs, drums or brushes

B01D 45/16 ・・generated by the winding course of the gas stream, {the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes}

B01D 45/18 ・Cleaning-out devices

B01D 46/00 Filters {i.e. particle separators} or filtering processes specially modified for separating dispersed particles from gases or vapours (filtering elements B01D 23/00 to B01D 35/00; filtering material B01D 39/00; their regeneration outside the filters B01D 41/00)

B01D 46/0001 ・{Making filtering elements}

B01D 46/0002 ・{Casings; Housings; Frame constructions}

B01D 46/0004 ・・{Details of removable closures, lids, caps or filter heads}

B01D 46/0005 ・・{Mounting of filtering elements within casings, housings or frames (B01D 46/2422 takes precedence)}

B01D 46/0006 ・・・{Filter elements or cartridges installed in a drawer-like manner}

B01D 46/0008 ・・・{Two or more filter elements not fluidly connected positioned in the same housing}

B01D 46/0009 ・・・{Tray-like arrangements of filters in a vessel}

B01D 46/001 ・・{Means for connecting filter housings to supports}

B01D 46/0012 ・・{In-line filters}

B01D 46/0013 ・・{Modules}

B01D 46/0015 ・・{Throw-away type filters}

B01D 46/0016 ・・{Folded frame or housing constructions}

B01D 46/0017 ・・{Filter elements installed in a branch of a pipe, e.g. with an y-shaped tubular housing}

B01D 46/0019 ・{with multiple filtering elements, characterised by their mutual disposition}

B01D 46/002 ・・{connected in parallel}

B01D 46/0021 ・・・{arranged concentrically or coaxially}

B01D 46/0023 ・・{connected in series}

B01D 46/0024 ・・・{arranged concentrically or coaxially}

B01D 46/0026 ・・・{Protecting screens at filter inlet or outlet}

B01D 46/0027 ・{with additional separating or treating functions}

B01D 46/0028 ・・{provided with antibacterial or antifungal means}

B01D 46/003 ・・{including coalescing means for the separation of liquid}

B01D 46/0031 ・・・{with collecting, draining means}

B01D 46/0032 ・・{using electrostatic forces to remove particles, e.g. electret filters}

B01D 46/0034 ・・{using magnetic forces to remove particles}

B01D 46/0035 ・・{by wetting, e.g. using surfaces covered with oil}

B01D 46/0036 ・・{by adsorption or absorption}

B01D 46/0038 ・・{with means for influencing the odor, e.g. deodorizing substances}

B01D 46/0039 ・{with flow guiding by feed or discharge devices}

B01D 46/0041 ・・{for feeding}

B01D 46/0042 ・・・{Use of the inlet flow in order to clean the filter surface}

B01D 46/0043 ・・・{containing fixed gas displacement elements or cores}

B01D 46/0045 ・・・{by using vanes}

B01D 46/0046 ・・・{provoking a tangential stream (B01D 46/0045 takes precedence)}

B01D 46/0047 ・・{for discharging the filtered gas}

B01D 46/0049 ・・・{containing fixed gas displacement elements or cores}

B01D 46/005 ・・{Crossflow filtration, i.e. having an inlet and two outlets}

B01D 46/0052 ・{with filtering elements moving during filtering operation (B01D 46/22, B01D 46/32 take precedence)}

B01D 46/0053 ・・{with vibrating filtering elements}

B01D 46/0054 ・・{with translational movement}

B01D 46/0056 ・・{with rotational movement}

B01D 46/0057 ・{Regenerating the filter material in the filter (B01D 46/04, B01D 46/48 take precedence)}

B01D 46/0058 ・・{Devices for taking out of action one or more units of multi-unit filters}

B01D 46/006 ・・{Chemical processes for the removal of the retained particles, e.g. by burning of processes}

B01D 46/0061 ・・・{making use of catalysts}

B01D 46/0063 ・・・{by heating only}

B01D 46/0064 ・・{by means of acting on the cake side and moving with respect to the filtering elements}

B01D 46/0065 ・・・{by scrapers, brushes, nozzles or the like}

B01D 46/0067 ・・{by acting counter-currently on the filtering surface (e.g. flushing)}

B01D 46/0068 ・・・{with pressurised gas, e.g. pulsed air}

B01D 46/0069 ・・・・{Using pressurized gas at supersonic velocities}

B01D 46/0071 ・・・{with backwash arms, shoes or nozzles}

B01D 46/0072 ・・{by forces created by movement of the filter element}

B01D 46/0073 ・・・{involving contrifugal forces}

B01D 46/0075 ・・・{involving vibrations or shaking}

B01D 46/0076 ・・・・{involving sonic or ultrasonic waves}

B01D 46/0078 ・・{by electrical means, e.g. for the generation of electrostatic forces in order to reject particles}

B01D 46/0079 ・・{by other means not moving with respect to the filtering elements, e.g. fixed nozzles on the cake side}

B01D 46/008 ・・{Replacing filter elements}

B01D 46/0082 ・・{Washing the filter inside the filter housing}

B01D 46/0083 ・・{Cleaning the filter surface by interrupting suction so that the filter cake falls by gravity}

B01D 46/0084 ・{provided with safety means}

B01D 46/0086 ・・{Filter condition indicators}

B01D 46/0087 ・・{Bypass or safety valves}

B01D 46/0089 ・・{Anti-return means}

B01D 46/009 ・・{Identification of filter type or position thereof, e.g. by transponders or bar codes}

B01D 46/0091 ・・{Including arrangements for environmental or personal protection}

B01D 46/0093 ・・・{against fire or explosion}

B01D 46/0094 ・・・{against radiation}

B01D 46/0095 ・・{Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes}

B01D 46/0097 ・・{Special means for preventing bypass around the filter, i.e. in addition to usual seals}

B01D 46/0098 ・・{Protecting coverages on the filter which is removed before the filter is used, protection of filter, packaging}

B01D 46/02 ・Particle separators, e.g. dust precipitators, having hollow filters made of flexible material

B01D 46/023 ・・{Pockets filters, i.e. multiple bag filters mounted on a common frame}

B01D 46/026 ・・{Means for maintaining a space between filters, e.g. avoiding contact between adjacent filters}

B01D 46/04 ・・Cleaning filters

B01D 46/06 ・・with means keeping the working surfaces flat

B01D 46/08 ・・・the working surfaces forming a star shape

B01D 46/10 ・Particle separators, e.g. dust precipitators, using filter plates, sheets, or pads having plane surfaces, {i.e. axial filtering}

B01D 46/103 ・・{Curved filtering elements}

B01D 46/106 ・・{Ring-shaped filtering elements}

B01D 46/12 ・・in multiple arrangements

B01D 46/125 ・・・{V-type arrangements}

B01D 46/14 ・・arranged in a star shape

B01D 46/16 ・・arranged on non-filtering conveyers {or supports}

B01D 46/18 ・Particle separators, e.g. dust precipitators, using filtering belts

B01D 46/185 ・・{Construction of filtering belts or supporting belts including devices for centering, mounting or sealing thereof}

B01D 46/20 ・・the belts combined with drums

B01D 46/22 ・・the belts travelling during filtering

B01D 46/24 ・Particle separators, e.g. dust precipitators, using rigid hollow filter bodies

B01D 46/2403 ・・{characterised by the physical shape or structure of the filtering element}

B01D 46/2407 ・・・{Filter candles}

B01D 46/2411 ・・・{Filter cartridges}

B01D 46/2414 ・・・・{End caps including additional functions or special forms}

B01D 46/2418 ・・・{Honeycomb filters (used for filtering exhaust gases of an internal combustion engine F01N 3/022; ceramic honeycomb structures per se C04B 38/0006)}

B01D 46/2422 ・・・・{Mounting of the body within a housing}

B01D 46/2425 ・・・・{characterized by parameters related to the physical properties of the honeycomb structure material, e.g. modulus of rupture, porosity}

B01D 46/2429 ・・・・・{of the honeycomb walls or cells}

B01D 46/244 ・・・・・{of the plugs}

B01D 46/2444 ・・・・・{of the outer peripheral sealing}

B01D 46/2448 ・・・・・{of the adhesive layers, i.e. joints between segments}

B01D 46/2451 ・・・・{characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure, e.g. thickness, cell density}

B01D 46/2455 ・・・・・{of the whole honeycomb or segments, e.g. elliptic body, octagonal segment, centre of gravity}

B01D 46/2459 ・・・・・{of the plugs, e.g. projections, gaps, length}

B01D 46/2462 ・・・・・{the outer peripheral sealing, e.g. undulations, thickness}

B01D 46/2466 ・・・・・{of the adhesive layers, i.e. joints between segments, e.g. undulations, thickness}

B01D 46/247 ・・・・・{of the cells, e.g. diamonds, hexagonal configuration, cell density}

B01D 46/2474 ・・・・・{of the walls along the length of the honeycomb, e.g. inclination from inlet to outlet, length, thickness}

B01D 46/26 ・・rotatable

B01D 46/28 ・Particle separators, e.g. dust precipitators, using filter brushes

B01D 46/30 ・Particle separators, e.g. dust precipitators, using loose filtering material

B01D 46/32 ・・the material moving during filtering

B01D 46/34 ・・・not horizontally, e.g. using shoots

B01D 46/36 ・・・as a substantially horizontal layer, e.g. on rotary tables, drums, conveyer belts

B01D 46/38 ・・・as fluidised bed

B01D 46/40 ・Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces

B01D 46/403 ・・{of helically or spirally wound bodies}

B01D 46/406 ・・{of stacked bodies}

B01D 46/42 ・Auxiliary equipment or operation thereof

B01D 46/4209 ・・{Prevention of static charge, e.g. by grounding}

B01D 46/4218 ・・{Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs}

B01D 46/4227 ・・{Manipulating filters or filter elements, e.g. handles or extracting tools}

B01D 46/4236 ・・{Reducing noise or vibration emissions}

B01D 46/4245 ・・{Means for power supply or devices using electrical power in filters or filter elements}

B01D 46/4254 ・・{Allowing or improving visual supervision, e.g. lamps, transparent parts, windows}

B01D 46/4263 ・・{Means for active heating or cooling}

B01D 46/4272 ・・{Special valve constructions adapted to filters or filter elements}

B01D 46/4281 ・・{Venturi's or systems showing a venturi effect}

B01D 46/429 ・・{Means for wireless communication}

B01D 46/44 ・・controlling filtration

B01D 46/442 ・・・{by measuring the concentration of particles}

B01D 46/444 ・・・{by flow measuring}

B01D 46/446 ・・・{by pressure measuring}

B01D 46/448 ・・・{by temperature measuring}

B01D 46/46 ・・・automatic

B01D 46/48 ・・Removing dust other than cleaning filters {e.g. by using collecting trays}

B01D 46/50 ・・Means for discharging electrostatic potential

B01D 46/52 ・Particle separators, e.g. dust precipitators, using filters embodying folded {corrugated or wound sheet} material

B01D 46/521 ・・{using folded, pleated material}

B01D 46/522 ・・・{with specific folds, e.g. having different lengths}

B01D 46/523 ・・・{with means for maintaining spacing between the pleats or folds}

B01D 46/525 ・・・{which comprises flutes}

B01D 46/526 ・・・・{in stacked arrangement}

B01D 46/527 ・・・・{in wound arrangement}

B01D 46/528 ・・{using wound sheets (B01D 46/527 takes precedence)}

B01D 46/54 ・Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms

B01D 46/543 ・・{using membranes}

B01D 46/546 ・・{using nano- or microfibres}

B01D 47/00 Separating dispersed particles from gases, air or vapours by liquid as separating agent (B01D 45/10 takes precedence; fractionating columns or parts thereof B01D 3/16)

B01D 47/02 ・by passing the gas or air or vapour over or through a liquid bath

B01D 47/021 ・・{by bubbling the gas through a liquid bath}

B01D 47/022 ・・{by using a liquid curtain (B01D 47/06 takes precedence)}

B01D 47/024 ・・{by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface}

B01D 47/025 ・・{by contacting gas and liquid with a static flow mixer (B01D 47/14 takes precedence)}

B01D 47/027 ・・{by directing the gas to be cleaned essentially tangential to the liquid surface}

B01D 47/028 ・・{by directing the gas through a wetted wire mesh or a perforated plate (B01D 47/14 takes precedence)}

B01D 47/04 ・by passing the gas or air or vapour through foam

B01D 47/05 ・by condensation of the separating agent

B01D 47/06 ・Spray cleaning

B01D 47/063 ・・{with two or more jets impinging against each other}

B01D 47/066 ・・{with nozzles using mechanical vibrations}

B01D 47/08 ・・with rotary nozzles

B01D 47/085 ・・・{with nozzles which are partly immersed in the washing fluid}

B01D 47/10 ・Venturi scrubbers

B01D 47/12 ・Washers with plural different washing sections (B01D 47/14 takes precedence)

B01D 47/14 ・Packed scrubbers (packing elements B01J 19/30, B01J 19/32)

B01D 47/16 ・Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid

B01D 47/18 ・・with horizontally-arranged shafts

B01D 49/00 Separating dispersed particles from gases, air or vapours by other methods

B01D 49/003 ・{by sedimentation}

B01D 49/006 ・{by sonic or ultrasonic techniques}

B01D 49/02 ・by thermal repulsion

B01D 50/00 Combinations of devices for separating particles from gases or vapours

B01D 50/002 ・{Combinations of devices relating to groups B01D 45/00 and B01D 46/00}

B01D 50/004 ・{Combinations of devices relating to groups B01D 45/00 and B01D 47/00}

B01D 50/006 ・{Combinations of devices relating to groups B01D 46/00 and B01D 47/00}

B01D 50/008 ・{Combinations of devices relating to groups B01D 45/00 and B01D 46/00 and B01D 47/00}

B01D 51/00 Auxiliary pre-treatment of gases or vapours to be cleaned (preventing dust fires A62C; pretreatment specially adapted for magnetic or electrostatic separation B03C)

B01D 51/02 ・Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C 3/0175)}

B01D 51/04 ・・by seeding, e.g. by adding particles

B01D 51/06 ・・by varying the pressure of the gas or vapour

B01D 51/08 ・・・by sound or ultrasonics

B01D 51/10 ・Conditioning the gas to be cleaned

B01D 53/00 Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols, (recovery of volatile solvents by condensation B01D 5/00; sublimation B01D 7/00; cold traps, cold baffles B01D 8/00; working-up undefined gaseous mixtures obtained by cracking hydrocarbon oils C10G 70/00; cleaning coal gas C10K; working-up of natural gas, or synthetic natural gas, C10L 3/10; separation of difficult-to-condense gases or air by liquefaction F25J; for investigating materials G01N 30/00)

B01D 53/002 ・{by condensation}

B01D 53/005 ・{by heat treatment}

B01D 53/007 ・{by irradiation}

B01D 53/02 ・by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J 20/00, preparation of inorganic compounds or elements C01)}

B01D 53/025 ・・{with wetted adsorbents; Chromatography (analytical chromatography G01N 30/00

B01D 53/04 ・・with stationary adsorbents {(B01D 53/025 takes precedence)}

B01D 53/0407 ・・・{Constructional details of adsorbing systems}

B01D 53/0415 ・・・・{Beds in cartridges}

B01D 53/0423 ・・・・{Beds in columns}

B01D 53/0431 ・・・・{Beds with radial gas flow}

B01D 53/0438 ・・・・{Cooling or heating systems}

B01D 53/0446 ・・・・{Means for feeding or distributing gases}

B01D 53/0454 ・・・{Controlling adsorption (controlling temperature swing adsorption B01D 53/0462, controlling pressure swing adsorption B01D 53/047)}

B01D 53/0462 ・・・{Temperature swing adsorption}

B01D 53/047 ・・・Pressure swing adsorption

B01D 53/0473 ・・・・{Rapid pressure swing adsorption}

B01D 53/0476 ・・・・{Vacuum pressure swing adsorption}

B01D 53/053 ・・・・with storage or buffer vessel

B01D 53/06 ・・with moving adsorbents, e.g. rotating beds {(B01D 53/025 takes precedence)}

B01D 53/08 ・・・according to the "moving bed" method

B01D 53/10 ・・・with dispersed adsorbents

B01D 53/12 ・・・・according to the "fluidised technique"

B01D 53/14 ・by absorption

B01D 53/1406 ・・{Multiple stage absorption}

B01D 53/1412 ・・{Controlling the absorption process}

B01D 53/1418 ・・{Recovery of products}

B01D 53/1425 ・・{Regeneration of liquid absorbents}

B01D 53/1431 ・・{Pretreatment by other processes}

B01D 53/1437 ・・・{Pretreatment by adsorption}

B01D 53/1443 ・・・{Pretreatment by diffusion}

B01D 53/145 ・・・{Pretreatment by separation of solid or liquid material}

B01D 53/1456 ・・{Removing acid components}

B01D 53/1462 ・・・{Removing mixtures of hydrogen sulfide and carbon dioxide}

B01D 53/1468 ・・・{Removing hydrogen sulfide}

B01D 53/1475 ・・・{Removing carbon dioxide}

B01D 53/1481 ・・・{Removing sulfur dioxide or sulfur trioxide}

B01D 53/1487 ・・{Removing organic compounds}

B01D 53/1493 ・・{Selection of liquid materials for use as absorbents}

B01D 53/18 ・・Absorbing units; Liquid distributors therefor (B01D 3/16, B01D 3/26, B01D 3/30 take precedence; packing elements B01J 19/30, B01J 19/32)

B01D 53/185 ・・・{Liquid distributors}

B01D 53/22 ・by diffusion (manufacturing semi-permeable membranes B01D 67/00; form, structure or properties of semi-permeable membranes B01D 69/00; material for semi-permeable membranes B01D 71/00)

B01D 53/225 ・・{Multiple stage diffusion}

B01D 53/226 ・・・{in serial connexion}

B01D 53/227 ・・・{in parallel connexion}

B01D 53/228 ・・{characterised by specific membranes}

B01D 53/229 ・・{Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)}

B01D 53/24 ・by centrifugal force (centrifuges B04B; cyclones B04C)

B01D 53/26 ・Drying gases or vapours

B01D 53/261 ・・{by adsorption}

B01D 53/263 ・・{by absorption}

B01D 53/265 ・・{by refrigeration (condensation)}

B01D 53/266 ・・{by filtration}

B01D 53/268 ・・{by diffusion}

B01D 53/28 ・・Selection of materials for use as drying agents

B01D 53/30 ・Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D)

B01D 53/32 ・by electrical effects other than those provided for in group 61/00

B01D 53/323 ・・{by electrostatic effects or by high-voltage electric fields}

B01D 53/326 ・・{in electrochemical cells}

B01D 53/34 ・Chemical or biological purification of waste gases

B01D 53/343 ・・{Heat recovery}

B01D 53/346 ・・{Controlling the process}

B01D 53/38 ・・Removing components of undefined structure

B01D 53/40 ・・・Acidic components (B01D 53/44 takes precedence)

B01D 53/42 ・・・Basic components (B01D 53/44 takes precedence)

B01D 53/44 ・・・Organic components

B01D 53/46 ・・Removing components of defined structure

B01D 53/48 ・・・Sulfur compounds

B01D 53/485 ・・・・{containing only one sulfur compound other than sulfur oxides or hydrogen sulfide}

B01D 53/50 ・・・・Sulfur oxides (B01D 53/60 takes precedence)

B01D 53/501 ・・・・・{by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound}

B01D 53/502 ・・・・・・{characterised by a specific solution or suspension}

B01D 53/504 ・・・・・・{characterised by a specific device}

B01D 53/505 ・・・・・・{in a spray drying process}

B01D 53/507 ・・・・・{by treating the gases with other liquids}

B01D 53/508 ・・・・・{by treating the gases with solids}

B01D 53/52 ・・・・Hydrogen sulfide

B01D 53/523 ・・・・・{Mixtures of hydrogen sulfide and sulfur oxides}

B01D 53/526 ・・・・・{Mixtures of hydrogen sulfide and carbon dioxide}

B01D 53/54 ・・・Nitrogen compounds

B01D 53/56 ・・・・Nitrogen oxides (B01D 53/60 takes precedence)

B01D 53/565 ・・・・・{by treating the gases with solids}

B01D 53/58 ・・・・Ammonia

B01D 53/60 ・・・Simultaneously removing sulfur oxides and nitrogen oxides

B01D 53/62 ・・・Carbon oxides

B01D 53/64 ・・・Heavy metals or compounds thereof, e.g. mercury

B01D 53/66 ・・・Ozone

B01D 53/68 ・・・Halogens or halogen compounds

B01D 53/685 ・・・・{by treating the gases with solids}

B01D 53/70 ・・・・Organic halogen compounds

B01D 53/72 ・・・Organic compounds not provided for in groups B01D 53/48 to B01D 53/70, e.g. hydrocarbons

B01D 53/73 ・・・After-treatment of removed components

B01D 53/74 ・・General processes for purification of waste gases; Apparatus or devices specially adapted therefor (B01D 53/92 takes precedence)

B01D 53/75 ・・・Multi-step processes

B01D 53/76 ・・・Gas phase processes, e.g. by using aerosols

B01D 53/77 ・・・Liquid phase processes

B01D 53/78 ・・・・with gas-liquid contact

B01D 53/79 ・・・・Injecting reactants

B01D 53/80 ・・・Semi-solid phase processes, i.e. by using slurries

B01D 53/81 ・・・Solid phase processes

B01D 53/82 ・・・・with stationary reactants

B01D 53/83 ・・・・with moving reactants

B01D 53/84 ・・・Biological processes

B01D 53/85 ・・・・with gas-solid contact

B01D 53/86 ・・・Catalytic processes

B01D 53/8603 ・・・・{Removing sulfur compounds}

B01D 53/8606 ・・・・・{only one sulfur compound other than sulfur oxides or hydrogen sulfide}

B01D 53/8609 ・・・・・{Sulfur oxides}

B01D 53/8612 ・・・・・{Hydrogen sulfide}

B01D 53/8615 ・・・・・・{Mixtures of hydrogen sulfide and sulfur oxides}

B01D 53/8618 ・・・・・・{Mixtures of hydrogen sulfide and carbon dioxides}

B01D 53/8621 ・・・・{Removing nitrogen compounds}

B01D 53/8625 ・・・・・{Nitrogen oxides}

B01D 53/8628 ・・・・・・{Processes characterised by a specific catalyst}

B01D 53/8631 ・・・・・・{Processes characterised by a specific device}

B01D 53/8634 ・・・・・{Ammonia}

B01D 53/8637 ・・・・{Simultaneously removing sulfur oxides and nitrogen oxides}

B01D 53/864 ・・・・{Removing carbon monoxide or hydrocarbons}

B01D 53/8643 ・・・・{Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides}

B01D 53/8646 ・・・・・{Simultaneous elimination of the components (B01D 53/8656 takes precedence)}

B01D 53/865 ・・・・・・{characterised by a specific catalyst}

B01D 53/8653 ・・・・・・{characterised by a specific device}

B01D 53/8656 ・・・・・{Successive elimination of the components}

B01D 53/8659 ・・・・{Removing halogens or halogen compounds}

B01D 53/8662 ・・・・・{Organic halogen compounds}

B01D 53/8665 ・・・・{Removing heavy metals or compounds thereof, e.g. mercury}

B01D 53/8668 ・・・・{Removing organic compounds not provided for in B01D 53/8603 to B01D 53/8665}

B01D 53/8671 ・・・・{Removing components of defined structure not provided for in B01D 53/8603 to B01D 53/8668}

B01D 53/8675 ・・・・・{Ozone}

B01D 53/8678 ・・・・{Removing components of undefined structure}

B01D 53/8681 ・・・・・{Acidic components (B01D 53/8687 takes precedence)}

B01D 53/8684 ・・・・・{Basic components (B01D 53/8687 takes precedence)}

B01D 53/8687 ・・・・・{Organic components}

B01D 53/869 ・・・・{Multiple step processes}

B01D 53/8693 ・・・・{After-treatment of removed components}

B01D 53/8696 ・・・・{Controlling the catalytic process}

B01D 53/88 ・・・・Handling or mounting catalysts

B01D 53/885 ・・・・・{Devices in general for catalytic purification of waste gases}

B01D 53/90 ・・・・Injecting reactants

B01D 53/92 ・・of engine exhaust gases (exhaust {or silencing} apparatus {for internal combustion engines, machines or engines in general}, having means for purifying, {rendering innocuous} or otherwise treating exhaust gases F01N 3/00)

B01D 53/922 ・・・{Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides}

B01D 53/925 ・・・・{Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides}

B01D 53/927 ・・・・{Successive elimination of carbon monoxide or hydrocarbons and nitrogen oxides}

B01D 53/94 ・・・by catalytic processes

B01D 53/9404 ・・・・{Removing only nitrogen compounds}

B01D 53/9409 ・・・・・{Nitrogen oxides}

B01D 53/9413 ・・・・・・{Processes characterised by a specific catalyst}

B01D 53/9418 ・・・・・・・{for removing nitrogen oxides by selective catalytic reduction (SCR) using a reducing agent in a lean exhaust gas}

B01D 53/9422 ・・・・・・・{for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)}

B01D 53/9427 ・・・・・・・{for removing nitrous oxide}

B01D 53/9431 ・・・・・・{Processes characterised by a specific device}

B01D 53/9436 ・・・・・{Ammonia}

B01D 53/944 ・・・・{Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts (three-way-catalysts (TWC) B01D 53/9445)}

B01D 53/9445 ・・・・{Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts (TWC) or four-way-catalysts (FWC)}

B01D 53/945 ・・・・・{characterised by a specific catalyst}

B01D 53/9454 ・・・・・{characterised by a specific device}

B01D 53/9459 ・・・・{Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts (layered catalysts with only one function B01D 53/9413, B01D 53/944 or B01D 53/945)}

B01D 53/9463 ・・・・・{with catalysts positioned on one brick}

B01D 53/9468 ・・・・・・{in different layers}

B01D 53/9472 ・・・・・・{in different zones}

B01D 53/9477 ・・・・・{with catalysts positioned on separate bricks, e.g. exhaust systems}

B01D 53/9481 ・・・・{Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start}

B01D 53/9486 ・・・・・{for storing hydrocarbons}

B01D 53/949 ・・・・・{for storing sulfur oxides}

B01D 53/9495 ・・・・{Controlling the catalytic process}

B01D 53/96 ・・Regeneration, reactivation or recycling of reactants

B01D 53/965 ・・・{including an electrochemical process step}

B01D 57/00 Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C

B01D 57/02 ・by electrophoresis (treatment of water, waste water, sewage or sludge by electrophoresis C02F 1/469; electrophoretic production of compounds or non-metals C25B 7/00; investigating or analysing materials by using electrophoresis G01N 27/26)

B01D 59/00 Separation of different isotopes of the same chemical element (preventing occurrence of critical conditions when producing fissile material G21; shielding from radioactivity G21F)

B01D 59/02 ・Separation by phase transition

B01D 59/04 ・・by distillation

B01D 59/06 ・・by fractional melting; by zone melting

B01D 59/08 ・・by fractional crystallisation, by precipitation, by zone freezing

B01D 59/10 ・Separation by diffusion

B01D 59/12 ・・by diffusion through barriers

B01D 59/14 ・・・Construction of the barrier

B01D 59/16 ・・by thermal diffusion

B01D 59/18 ・・by separation jets

B01D 59/20 ・Separation by centrifuging

B01D 59/22 ・Separation by extracting

B01D 59/24 ・・by solvent extraction

B01D 59/26 ・・by sorption, i.e. absorption, adsorption, persorption

B01D 59/28 ・Separation by chemical exchange

B01D 59/30 ・・by ion exchange

B01D 59/32 ・・by exchange between fluids

B01D 59/33 ・・・involving dual temperature exchange

B01D 59/34 ・Separation by photochemical methods

B01D 59/36 ・Separation by biological methods

B01D 59/38 ・Separation by electrochemical methods (in general B01J)

B01D 59/40 ・・by electrolysis

B01D 59/42 ・・by electromigration; by electrophoresis

B01D 59/44 ・Separation by mass spectrography (particle spectrometer or separator tubes H01J 49/00)

B01D 59/46 ・・using only electrostatic fields

B01D 59/48 ・・using electrostatic and magnetic fields

B01D 59/50 ・Separation involving two or more processes covered by different groups selected from groups B01D 59/02, B01D 59/10, B01D 59/20, B01D 59/22, B01D 59/28, B01D 59/34, B01D 59/36, B01D 59/38, B01D 59/44

B01D 61/00 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor

B01D 61/002 ・{Forward osmosis, direct osmosis (actuators for pressure retarded osmosis F03G 7/005)}

B01D 61/005 ・・{Osmotic agents, draw solutions}

B01D 61/007 ・{Separation by stereostructure, steric separation}

B01D 61/02 ・Reverse osmosis; Hyperfiltration; {Nanofiltration}

B01D 61/022 ・・{comprising multiple reverse osmosis, hyperfiltration or nanofiltration steps}

B01D 61/025 ・・{Reverse osmosis; Hyperfiltration (B01D 61/022 takes precedence)}

B01D 61/027 ・・{Nanofiltration (B01D 61/022 takes precedence)}

B01D 61/04 ・・Feed pretreatment

B01D 61/06 ・・Energy recovery

B01D 61/08 ・・Apparatus therefor

B01D 61/10 ・・Accessories; Auxiliary operations

B01D 61/12 ・・Controlling or regulating

B01D 61/14 ・Ultrafiltration; Microfiltration

B01D 61/142 ・・{comprising multiple ultrafiltration or microfiltration steps}

B01D 61/145 ・・{Ultrafiltration (B01D 61/142 takes precedence)}

B01D 61/147 ・・{Microfiltration (B01D 61/142 takes precedence)}

B01D 61/16 ・・Feed pretreatment

B01D 61/18 ・・Apparatus therefor

B01D 61/20 ・・Accessories; Auxiliary operations

B01D 61/22 ・・Controlling or regulating

B01D 61/24 ・Dialysis; {Membrane extraction (dialysate solution flow A61M 1/1656)}

B01D 61/243 ・・Dialysis

B01D 61/246 ・・Membrane extraction

B01D 61/28 ・・Apparatus therefor

B01D 61/30 ・・Accessories; Auxiliary operations

B01D 61/32 ・・Controlling or regulating {(Measuring ultrafiltrate during dialysis A61M 1/16)}

B01D 61/36 ・Pervaporation; Membrane distillation; Liquid permeation

B01D 61/362 ・・{Pervaporation}

B01D 61/364 ・・{Membrane distillation}

B01D 61/366 ・・{Apparatus therefor}

B01D 61/368 ・・{Accessories; Auxiliary operations}

B01D 61/38 ・Liquid-membrane separation

B01D 61/40 ・・using emulsion-type membranes

B01D 61/42 ・Electrodialysis; Electro-osmosis {Electro-ultrafiltration}

B01D 61/422 ・・{Electrodialysis}

B01D 61/425 ・・{Electro-ultrafiltration}

B01D 61/427 ・・{Electro-osmosis}

B01D 61/44 ・・Ion-selective electrodialysis

B01D 61/445 ・・・{with bipolar membranes; Water splitting}

B01D 61/46 ・・・Apparatus therefor

B01D 61/48 ・・・・having one or more compartments filled with ion-exchange material {e.g. electrodeionisation}

B01D 61/485 ・・・・・{Specific features relating to the ion-exchange material}

B01D 61/50 ・・・・Stacks of the plate-and-frame type

B01D 61/52 ・・・Accessories; Auxiliary operations

B01D 61/54 ・・・Controlling or regulating

B01D 61/56 ・・Electro-osmotic de-watering

B01D 61/58 ・Multistep processes {(comprising reverse osmosis or hyperfiltration steps B01D 61/02B; comprising ultrafiltration or microfiltration steps B01D 61/14B)}

B01D 63/00 Apparatus in general for separation processes using semi-permeable membranes

B01D 63/005 ・{Microfluidic devices comprising semi-permeable hollow fibre membranes}

B01D 63/02 ・Hollow fibre modules

B01D 63/021 ・・{Manufacturing thereof}

B01D 63/022 ・・・{Encapsulating hollow fibres}

B01D 63/023 ・・・・{Materials therefor}

B01D 63/024 ・・{with a single potted end or U-shaped}

B01D 63/025 ・・{Bobbin units}

B01D 63/026 ・・{Wafer type modules or flat-surface type modules}

B01D 63/027 ・・{Twinned or braided type modules}

B01D 63/028 ・・{Microfluidic devices comprising semi-permeable hollow fibre membranes}

B01D 63/029 ・・{Microfluidic devices comprising semi-permeable hollow fibre membranes}

B01D 63/04 ・・comprising multiple hollow fibre assemblies

B01D 63/043 ・・・{with separate tube sheets}

B01D 63/046 ・・・{in separate housings}

B01D 63/06 ・Tubular membrane modules

B01D 63/061 ・・{Manufacturing thereof}

B01D 63/062 ・・{with membranes on a surface of a support tube}

B01D 63/063 ・・・{on the inner surface thereof}

B01D 63/065 ・・・{on the outer surface thereof}

B01D 63/066 ・・{with a porous block having membrane coated passages}

B01D 63/067 ・・{with pleated membranes}

B01D 63/068 ・・{with flexible membrane tubes}

B01D 63/08 ・Flat membrane modules

B01D 63/081 ・・{Manufacturing thereof}

B01D 63/082 ・・{comprising a stack of flat membranes, e.g. plate-and-frame devices}

B01D 63/084 ・・・{at least one flow duct intersecting the membranes}

B01D 63/085 ・・・・{specially adapted for two fluids in mass exchange flow}

B01D 63/087 ・・{Single membrane modules}

B01D 63/088 ・・{Microfluidic devices comprising semi-permeable flat membranes}

B01D 63/10 ・Spiral-wound membrane modules

B01D 63/103 ・・{Details relating to membrane envelopes}

B01D 63/106 ・・{Anti-Telescopic-Devices (ATD)}

B01D 63/12 ・・comprising multiple spiral-wound assemblies

B01D 63/14 ・Pleat-type membrane modules

B01D 63/16 ・Rotary, reciprocated or vibrated modules

B01D 65/00 Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

B01D 65/003 ・{Membrane bonding or sealing}

B01D 65/006 ・{Membrane storage}

B01D 65/02 ・Membrane cleaning or sterilisation {; Membrane regeneration}

B01D 65/022 ・・{Membrane sterilisation}

B01D 65/025 ・・{Removal of membrane elements before washing}

B01D 65/027 ・・{Cleaning of other parts of the apparatus than the membrane}

B01D 65/04 ・・with movable bodies, e.g. foam balls

B01D 65/06 ・・with special washing compositions

B01D 65/08 ・Prevention of membrane fouling or of concentration polarisation

B01D 65/10 ・Testing of membranes or membrane apparatus; Detecting or repairing leaks

B01D 65/102 ・・{Detection of leaks in membranes}

B01D 65/104 ・・{Detection of leaks in membrane apparatus or modules}

B01D 65/106 ・・{Repairing membrane apparatus or modules}

B01D 65/108 ・・・{Repairing membranes}

B01D 67/00 Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

B01D 67/0002 ・{Organic membrane formation}

B01D 67/0004 ・・{by agglomeration of particles, e.g. sintering}

B01D 67/0006 ・・{by chemical reactions (in-situ polymerisation, polycondensation, cross-linking or reaction for manufacturing composite membranes B01D 69/125)}

B01D 67/0009 ・・{by phase separation, sol-gel transition, evaporation or solvent quenching}

B01D 67/0011 ・・・{Casting solutions therefor}

B01D 67/0013 ・・・{Casting processes (hollow fibre membrane manufacturing methods B01D 69/08)}

B01D 67/0016 ・・・{Coagulation}

B01D 67/0018 ・・・{Thermally induced processes}

B01D 67/002 ・・{from melts}

B01D 67/0023 ・・{by inducing porosity into non porous precursor membranes}

B01D 67/0025 ・・・{by mechanical treatment, e.g. pore-stretching}

B01D 67/0027 ・・・・{by stretching}

B01D 67/003 ・・・{by selective elimination of components, e.g. by leaching}

B01D 67/0032 ・・・{by elimination of segments of the precurdor, e.g. nucleation-track membranes, lithography or laser methods}

B01D 67/0034 ・・・・{by micromachining techniques, e.g. using masking and etching steps, photolithography}

B01D 67/0037 ・・{by deposition from the gaseous phase, e.g. CVD, PVD}

B01D 67/0039 ・{Inorganic membrane formation}

B01D 67/0041 ・・{by agglomeration of particles in the dry state, e.g. sintering}

B01D 67/0044 ・・{by chemical reaction}

B01D 67/0046 ・・{by slurry techniques, e.g. die or slip-casting}

B01D 67/0048 ・・{by sol-gel transition}

B01D 67/0051 ・・{by controlled crystallisation, e,.g. hydrothermal growth}

B01D 67/0053 ・・{by inducing porosity into non porous precursor membranes}

B01D 67/0055 ・・・{by mechanical treatment}

B01D 67/0058 ・・・{by selective elimination of components, e.g. by leaching}

B01D 67/006 ・・・{by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods}

B01D 67/0062 ・・・・{by micromachining techniques, e.g. using masking and etching steps, photolithography}

B01D 67/0065 ・・・・{by anodic oxidation}

B01D 67/0067 ・・{by carbonisation or pyrolysis}

B01D 67/0069 ・・{by deposition from the liquid phase, e.g. electrochemical deposition (B01D 67/0046 takes precedence)}

B01D 67/0072 ・・{by deposition from the gaseous phase, e.g. sputtering, CVD, PVD}

B01D 67/0074 ・・{from melts}

B01D 67/0076 ・・{Pretreatment of inorganic membrane material prior to membrane formation e.g. coating of metal powder}

B01D 67/0079 ・{Formation of membranes comprising organic and inorganic components}

B01D 67/0081 ・{After-treatment of organic or inorganic membranes}

B01D 67/0083 ・・{Thermal after-treatment}

B01D 67/0086 ・・{Mechanical after-treatment}

B01D 67/0088 ・・{Physical treatment with compounds, e.g. swelling, coating or impregnation (involving chemical reactions B01D 67/0093)}

B01D 67/009 ・・{with wave-energy, particle-radiation or plasma}

B01D 67/0093 ・・{Chemical modification}

B01D 67/0095 ・・{Drying}

B01D 67/0097 ・・{Storing or preservation}

B01D 69/00 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor

B01D 69/02 ・characterised by their properties

B01D 69/04 ・Tubular membranes

B01D 69/043 ・・{characterised by the tube diameter}

B01D 69/046 ・・{characterised by the cross-sectional shape of the tube}

B01D 69/06 ・Flat membranes

B01D 69/08 ・Hollow fibre membranes (manufacture of hollow fibres D01D 5/24, D01F 1/08)

B01D 69/081 ・・{characterised by the fibre diameter}

B01D 69/082 ・・{characterised by the cross-sectional shape of the fibre}

B01D 69/084 ・・{Undulated fibres}

B01D 69/085 ・・{Details relating to the spinneret}

B01D 69/087 ・・{Details relating to the spinning process}

B01D 69/088 ・・・{Co-extrusion; Co-spinning}

B01D 69/10 ・Supported membranes; Membrane supports

B01D 69/105 ・・{Support pretreatment}

B01D 69/12 ・Composite membranes; Ultra-thin membranes

B01D 69/122 ・・{Separate manufacturing of ultra-thin membranes}

B01D 69/125 ・・{In-situ manufacturing by polymerisation, polycondensation, cross-linking, and/or reaction}

B01D 69/127 ・・・{using electrical discharge or plasma-polymerisation}

B01D 69/14 ・Dynamic membranes

B01D 69/141 ・・{Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes}

B01D 69/142 ・・・{with "carriers"}

B01D 69/144 ・・・・{containing embedded or bound biomolecules}

B01D 69/145 ・・・{containing embedded catalysts}

B01D 69/147 ・・・{containing embedded adsorbents}

B01D 69/148 ・・・{Organic/inorganic mixed matrix membranes}

B01D 71/00 Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor

B01D 71/02 ・Inorganic material

B01D 71/021 ・・{Carbon}

B01D 71/022 ・・{Metals}

B01D 71/024 ・・{Oxides}

B01D 71/025 ・・・{Aluminium oxide}

B01D 71/027 ・・・{Silicium oxide}

B01D 71/028 ・・{Molecular sieves, e.g. zeolites, silicalite (B01D 71/021 takes precedence)}

B01D 71/04 ・・Glass

B01D 71/06 ・Organic material

B01D 71/08 ・・Polysaccharides

B01D 71/10 ・・・Cellulose; Modified cellulose

B01D 71/12 ・・・Cellulose derivatives

B01D 71/14 ・・・・Esters of organic acids

B01D 71/16 ・・・・・Cellulose acetate

B01D 71/18 ・・・・・Mixed esters, e.g. cellulose acetate-butyrate

B01D 71/20 ・・・・Esters of inorganic acids, e.g. cellulose nitrate

B01D 71/22 ・・・・Cellulose ethers

B01D 71/24 ・・Rubbers

B01D 71/26 ・・Polyalkenes

B01D 71/28 ・・Polymers of vinyl aromatic compounds

B01D 71/30 ・・Polyalkenyl halides

B01D 71/32 ・・・containing fluorine atoms

B01D 71/34 ・・・・Polyvinylidene fluoride

B01D 71/36 ・・・・Polytetrafluoroethene

B01D 71/38 ・・Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals

B01D 71/40 ・・Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters

B01D 71/42 ・・・Polymers of nitriles, e.g. polyacrylonitrile

B01D 71/44 ・・Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D 71/26 to B01D 71/42

B01D 71/46 ・・Epoxy resins

B01D 71/48 ・・Polyesters

B01D 71/50 ・・Polycarbonates

B01D 71/52 ・・Polyethers

B01D 71/54 ・・Polyureas; Polyurethanes

B01D 71/56 ・・Polyamides, e.g. polyester-amides

B01D 71/58 ・・Other polymers having nitrogen in the main chain, with or without oxygen or carbon only

B01D 71/60 ・・・Polyamines

B01D 71/62 ・・・Polycondensates having nitrogen-containing heterocyclic rings in the main chain

B01D 71/64 ・・・・Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors

B01D 71/66 ・・Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only

B01D 71/68 ・・・Polysulfones; Polyethersulfones

B01D 71/70 ・・Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only

B01D 71/72 ・・Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D 71/46 to B01D 71/70

B01D 71/74 ・・Natural macromolecular material or derivatives thereof (B01D 71/08, B01D 71/24 take precedence)

B01D 71/76 ・・Macromolecular material not specifically provided for in a single one of groups B01D 71/08 to B01D 71/74(rubbers in general B01D 71/24)

B01D 71/78 ・・・Graft polymers

B01D 71/80 ・・・Block polymers

B01D 71/82 ・・・characterised by the presence of specified groups, e.g. introduced by chemical after-treatment

B01D 2009/00 Crystallisation (crystallisation directly from the vapour phase B01D 7/02; making single crystals C30B; {crystallisation as part of the Bayer process also classified in C01F 7/14})

B01D 2009/0086 ・Processes or apparatus therefor

B01D 2009/009 ・・Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts

B01D 2009/0095 ・・・with the aid of other complex forming substances than ureum, thioureum or metal salts

B01D 2011/00 Solvent extraction

B01D 2011/002 ・Counter-current extraction

B01D 2011/005 ・Co-current extraction

B01D 2011/007 ・Extraction using a solvent in the gas phase

B01D 2015/00 Separating processes involving the treatment of liquids with solid sorbents (using liquid sorbents B01D 11/00; ion exchange processes or materials, sorbent materials in general B01J, e.g. sorbents for chromatography B01J 20/281; for investigating or analysing materials G01N 30/00); Apparatus therefor

B01D 2015/08 ・Selective adsorption, e.g. chromatography

B01D 2015/26 ・・characterised by the separation mechanism

B01D 2015/38 ・・・involving specific interaction not covered by one or more of groups B01D 15/265 to B01D 15/36

B01D 2015/3838 ・・・・Ligand exchange chromatography, e.g. complexation chromatography, chelation chromatography, metal interaction chromatography

B01D 2015/389 ・・・・using ultra-sound

B01D 2015/3895 ・・・・using light

B01D 2021/00 Separation of suspended solid particles from liquids by sedimentation ({separation of ores or the like by sedimentation B03B 5/48 to B03B 5/60}; differential sedimentation B03D 3/00; {purification of water, waste water, sewage or sludge C02F, e.g.} devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F 1/40)

B01D 2021/0078 ・Settling tanks provided with contact surfaces, e.g. baffles, particles

B01D 2021/0081 ・Settling tanks provided with vibrators

B01D 2024/00 Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D 27/02 takes precedence)

B01D 2024/02 ・with the filter bed stationary during the filtration

B01D 2024/10 ・・the filtering material being held in a closed container

B01D 2024/12 ・・・Downward filtration, the filtering material being supported by pervious surfaces (B01D 24/18 takes precedence)

B01D 2024/125 ・・・・spray heads specially adapted therefor

B01D 2024/14 ・・・Downward filtration, the container having distribution or collection headers or pervious conduits (B01D 24/18 takes precedence)

B01D 2024/145 ・・・・spray heads specially adapted therefor

B01D 2024/16 ・・・Upward filtration (B01D 24/18 takes precedence)

B01D 2024/162 ・・・・spray heads specially adapted therefor

B01D 2029/00 Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor {(B01D 24/00, B01D 25/00 and B01D 27/00 take precedence)}

B01D 2029/01 ・with flat filtering elements (B01D 29/39 takes precedence)

B01D 2029/03 ・・self-supporting

B01D 2029/033 ・・・bar screens

B01D 2029/075 ・Located in a closed housing and comprising scrapers or agitators on the cake side of the filtering elements, e.g. Nutsche- or Rosenmund-type filters for performing multiple step operations

B01D 2033/00 Filters with filtering elements which move during the filtering operation (filters comprising loose filtering material moving or fluidised during filtration B01D 24/28 to B01D 24/36; centrifuges B04B)

B01D 2033/044 ・with filtering bands or the like supported on cylinders which are pervious for filtering

B01D 2033/048 ・・with endless filtering bands

B01D 2033/052 ・・・combined with a compression device

B01D 2033/06 ・with rotary cylindrical filtering surfaces, e.g. hollow drums (B01D 33/044 takes precedence; {rotating drums for paper-making D21B})

B01D 2033/07 ・・arranged for inward flow filtration

B01D 2046/00 Filters {i.e. particle separators} or filtering processes specially modified for separating dispersed particles from gases or vapours (filtering elements B01D 23/00 to B01D 35/00; filtering material B01D 39/00; their regeneration outside the filters B01D 41/00)

B01D 2046/24 ・Particle separators, e.g. dust precipitators, using rigid hollow filter bodies

B01D 2046/2403 ・・{characterised by the physical shape or structure of the filtering element}

B01D 2046/2418 ・・・{Honeycomb filters (used for filtering exhaust gases of an internal combustion engine F01N 3/022; ceramic honeycomb structures per se C04B 38/0006)}

B01D 2046/2425 ・・・・{characterized by parameters related to the physical properties of the honeycomb structure material, e.g. modulus of rupture, porosity}

B01D 2046/2429 ・・・・・{of the honeycomb walls or cells}

B01D 2046/2433 ・・・・・・Porosity

B01D 2046/2437 ・・・・・・Pore diameter

B01D 2046/2451 ・・・・{characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure, e.g. thickness, cell density}

B01D 2046/2477 ・・・・・Triangular shapes or configurations

B01D 2046/2481 ・・・・・Quadrangular shapes or configurations, e.g. square, diamond

B01D 2046/2485 ・・・・・Octagonal shapes or configurations

B01D 2046/2488 ・・・・・Circular shapes or configurations

B01D 2046/2492 ・・・・・Other shapes or configurations not covered by groups B01D 46/2474 to B01D 2046/2488

B01D 2046/2496 ・・・・The honeycomb filter being defined by mathematical equations

B01D 2053/00 Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols, (recovery of volatile solvents by condensation B01D 5/00; sublimation B01D 7/00; cold traps, cold baffles B01D 8/00; working-up undefined gaseous mixtures obtained by cracking hydrocarbon oils C10G 70/00; cleaning coal gas C10K; working-up of natural gas, or synthetic natural gas, C10L 3/10; separation of difficult-to-condense gases or air by liquefaction F25J; for investigating materials G01N 30/00)

B01D 2053/22 ・by diffusion (manufacturing semi-permeable membranes B01D 67/00; form, structure or properties of semi-permeable membranes B01D 69/00; material for semi-permeable membranes B01D 71/00)

B01D 2053/221 ・・Devices

B01D 2053/222 ・・・with plates

B01D 2053/223 ・・・with hollow tubes

B01D 2053/224 ・・・・with hollow fibres

B01D 2101/00 Types of filters having loose filtering material

B01D 2101/005 ・with a binder between the individual particles or fibres

B01D 2101/02 ・Carbon filters

B01D 2101/04 ・Sand or gravel filters

B01D 2201/00 Details relating to filtering apparatus

B01D 2201/02 ・Filtering elements having a conical form

B01D 2201/04 ・Supports for the filtering elements

B01D 2201/0407 ・・Perforated supports on both sides of the filtering element

B01D 2201/0415 ・・Details of supporting structures

B01D 2201/0423 ・・・not in the inner side of the cylindrical filtering elements

B01D 2201/043 ・・Filter tubes connected to plates

B01D 2201/0438 ・・・mounted substantially vertically on plates at the lower side of the filter elements

B01D 2201/0446 ・・・suspended from plates at the upper side of the filter elements

B01D 2201/0453 ・・・positioned between at least two plates

B01D 2201/0461 ・・Springs

B01D 2201/0469 ・・Filter tubes connected to collector tubes

B01D 2201/0476 ・・・mounted substantially vertically on collector tubes at the lower side of the filter elements

B01D 2201/0484 ・・・suspended from collector tubes at the upper side of the filter elements

B01D 2201/0492 ・・・positioned between at least two collector tubes

B01D 2201/06 ・Resilient foam as filtering element

B01D 2201/08 ・Regeneration of the filter

B01D 2201/081 ・・using nozzles or suction devices

B01D 2201/082 ・・・Suction devices placed on the cake side of the filtering element

B01D 2201/083 ・・・Suction devices placed on the filtrate side of the filtering element, e.g. with variable edge filters

B01D 2201/084 ・・・Nozzles placed on the filtrate side of the filtering element

B01D 2201/085 ・・using another chemical than the liquid to be filtered

B01D 2201/086 ・・using fluid streams co-current to the filtration direction

B01D 2201/087 ・・using gas bubbles, e.g. air

B01D 2201/088 ・・Arrangements for killing micro-organisms

B01D 2201/089 ・・using rollers having projections to clear the filter apertures

B01D 2201/10 ・Filtration under gravity in large open drainage basins

B01D 2201/12 ・Pleated filters

B01D 2201/122 ・・with pleats of different length

B01D 2201/125 ・・with non-parallel pleats

B01D 2201/127 ・・with means for keeping the spacing between the pleats

B01D 2201/14 ・Particulate filter materials with a lower density than the liquid mixture to be filtered

B01D 2201/16 ・Valves

B01D 2201/162 ・・with snap, latch or clip connecting means

B01D 2201/165 ・・Multi-way valves

B01D 2201/167 ・・Single-way valves

B01D 2201/18 ・Filters characterised by the openings or pores

B01D 2201/182 ・・for depth filtration

B01D 2201/184 ・・Special form, dimension of the openings, pores of the filtering elements

B01D 2201/186 ・・・Pore openings which can be modified

B01D 2201/188 ・・Multiple filtering elements having filtering areas of different size

B01D 2201/20 ・Pressure-related systems for filters

B01D 2201/202 ・・Systems for applying pressure to filters

B01D 2201/204 ・・Systems for applying vacuum to filters

B01D 2201/206 ・・・by the weight of the liquid in a tube, e.g. siphon, barometric leg

B01D 2201/208 ・・・by venturi systems

B01D 2201/22 ・Filtering bands with supporting discs

B01D 2201/24 ・Tools used for the removal of filters

B01D 2201/26 ・Transport systems for filtering devices

B01D 2201/265 ・・mounted on vehicles

B01D 2201/28 ・Position of the filtering element

B01D 2201/282 ・・Filtering elements with a horizontal rotation or symmetry axis

B01D 2201/285 ・・Filtering elements with a symmetry axis not parallel to the rotation axis

B01D 2201/287 ・・Filtering elements with a vertical or inclined rotation or symmetry axis

B01D 2201/29 ・Filter cartridge constructions

B01D 2201/291 ・・End caps

B01D 2201/293 ・・・Making of end caps

B01D 2201/295 ・・・with projections extending in a radial outward direction, e.g. for use as a guide, spacing means

B01D 2201/296 ・・・Other than having a circular shape

B01D 2201/298 ・・・End caps common to at least two filtering elements

B01D 2201/30 ・Filter housing constructions

B01D 2201/301 ・・Details of removable closures, lids, caps, filter heads

B01D 2201/302 ・・・having inlet or outlet ports

B01D 2201/303 ・・・・not arranged concentrically

B01D 2201/304 ・・・Seals or gaskets

B01D 2201/305 ・・・Snap, latch or clip connecting means

B01D 2201/306 ・・・Closures, lids, caps or filter heads forming one element with the filtering element

B01D 2201/307 ・・Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element

B01D 2201/308 ・・Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter

B01D 2201/309 ・・Housings with transparent parts

B01D 2201/31 ・Other construction details

B01D 2201/313 ・・Means for protecting the filter from the incoming fluid, e.g. shields

B01D 2201/316 ・・Standpipes

B01D 2201/32 ・Flow characteristics of the filter

B01D 2201/325 ・・Outward flow filtration

B01D 2201/34 ・Seals or gaskets for filtering elements (for removable closures, lids, caps or filter heads B01D 2201/304)

B01D 2201/342 ・・Axial sealings

B01D 2201/345 ・・Pressurized seals or gaskets

B01D 2201/347 ・・Radial sealings

B01D 2201/36 ・Filtering elements containing a rotating housing construction

B01D 2201/38 ・Preventing rewetting of the filter cake on the filter media

B01D 2201/40 ・Special measures for connecting different parts of the filter

B01D 2201/4007 ・・Use of cam or ramp systems

B01D 2201/4015 ・・Bayonet connecting means

B01D 2201/4023 ・・Means for connecting filter housings to supports

B01D 2201/403 ・・allowing dilatation, e.g. by heat

B01D 2201/4038 ・・for connecting at least two filtering elements together

B01D 2201/4046 ・・Means for avoiding false mounting of different parts

B01D 2201/4053 ・・・using keys

B01D 2201/4061 ・・・between a cartridge and a filter head or manifold

B01D 2201/4069 ・・Magnetic means

B01D 2201/4076 ・・Anti-rotational means

B01D 2201/4084 ・・Snap or Seeger ring connecting means

B01D 2201/4092 ・・Treated sections, e.g. screw

B01D 2201/44 ・Special measures allowing the even or uniform distribution of fluid along the length of a conduit

B01D 2201/46 ・Several filtrate discharge conduits each connected to one filter element or group of filter elements

B01D 2201/48 ・Overflow systems

B01D 2201/50 ・Means for dissipating electrostatic charges

B01D 2201/52 ・Filter identification means

B01D 2201/54 ・Computerised or programmable systems

B01D 2201/56 ・Wireless systems for monitoring the filter

B01D 2201/58 ・Power supply means for regenerating the filter

B01D 2201/583 ・・using the kinetic energy of the fluid circulating in the filtering device

B01D 2201/586 ・・using regenerative sources, e.g. wind, sun

B01D 2201/60 ・Shape of non-cylindrical filtering elements

B01D 2201/602 ・・Oval

B01D 2201/605 ・・Square or rectangular

B01D 2201/607 ・・Triangular

B01D 2201/62 ・Honeycomb-like

B01D 2201/64 ・Filters having floating elements (floating filters B01D 35/05)

B01D 2202/00 Details concerning evaporation, distillation or condensation

B01D 2202/10 ・Use of a micro-device for separation (micro-reactors B01J 19/00)

B01D 2202/20 ・Use of an ionic liquid in the separation process

B01D 2215/00 Separating processes involving the treatment of liquids with adsorbents

B01D 2215/02 ・with moving adsorbents

B01D 2215/021 ・・Physically moving or fluidising the adsorbent beads or particles or slurry, excluding the movement of the entire columns

B01D 2215/022 ・・Physically moving the adsorbent as a whole, e.g. belts, discs or sheets

B01D 2215/023 ・・Simulated moving beds

B01D 2215/024 ・・・Provisions to deal with recirculated volumes, e.g. in order to regulate flow

B01D 2215/025 ・・・Reekon with dead volumes between sections

B01D 2215/026 ・・・Flushing the injection conduits

B01D 2215/027 ・・・Used at supercritical conditions of temperature or pressure

B01D 2215/028 ・・・Co-current flow

B01D 2215/029 ・・Centrifuge-like arrangements

B01D 2221/00 Applications of separation devices

B01D 2221/02 ・Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines

B01D 2221/04 ・Separation devices for treating liquids from earth drilling, mining (separation of well effluents E21B 43/34, flotation in general B03D 1/00)

B01D 2221/06 ・Separation devices for industrial food processing or agriculture

B01D 2221/08 ・Mobile separation devices

B01D 2221/10 ・Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues (apparatus for dental treatment A61C 17/04)

B01D 2221/12 ・Separation devices for treating rain or storm water (storm water treatment E03F)

B01D 2221/14 ・Separation devices for workshops, car or semiconductor industry, e.g. for separating chips and other machining residues

B01D 2221/16 ・Separation devices for cleaning ambient air, e.g. air along roads or air in cities

B01D 2239/00 Aspects relating to filtering material for liquid or gaseous fluids

B01D 2239/02 ・Types of fibres, filaments or particles, self-supporting or supported materials

B01D 2239/0208 ・・Single-component fibres

B01D 2239/0216 ・・Bicomponent or multicomponent fibres

B01D 2239/0225 ・・・Side-by-side

B01D 2239/0233 ・・・Island-in-sea

B01D 2239/0241 ・・comprising electrically conductive fibres or particles

B01D 2239/025 ・・comprising nanofibres (apparatus incorporating such gas filtering material see B01D 46/546)

B01D 2239/0258 ・・comprising nanoparticles

B01D 2239/0266 ・・comprising biodegradable or bio-soluble polymers

B01D 2239/0275 ・・comprising biologically produced plastics, e.g. bioplastics

B01D 2239/0283 ・・comprising filter materials made from waste or recycled materials

B01D 2239/0291 ・・comprising swelling polymers

B01D 2239/04 ・Additives and treatments of the filtering material

B01D 2239/0407 ・・comprising particulate additives, e.g. adsorbents (apparatus incorporating gas filtering material B01D 46/0036)

B01D 2239/0414 ・・Surface modifiers, e.g. comprising ion exchange groups

B01D 2239/0421 ・・・Rendering the filter material hydrophilic

B01D 2239/0428 ・・・Rendering the filter material hydrophobic

B01D 2239/0435 ・・Electret (apparatus incorporating such gas filtering material B01D 46/0032)

B01D 2239/0442 ・・Antimicrobial, antibacterial, antifungal additives (apparatus incorporating such gas filtering material B01D 46/0028)

B01D 2239/045 ・・Deodorising additives

B01D 2239/0457 ・・Specific fire retardant or heat resistant properties (apparatus incorporating such gas filtering material B01D 46/0093)

B01D 2239/0464 ・・Impregnants

B01D 2239/0471 ・・Surface coating material

B01D 2239/0478 ・・・on a layer of the filter

B01D 2239/0485 ・・・on particles

B01D 2239/0492 ・・・on fibres

B01D 2239/06 ・Filter cloth, e.g. knitted, woven non-woven; self-supported material

B01D 2239/0604 ・・Arrangement of the fibres in the filtering material

B01D 2239/0609 ・・・Knitted

B01D 2239/0613 ・・・Woven

B01D 2239/0618 ・・・Non-woven

B01D 2239/0622 ・・・Melt-blown

B01D 2239/0627 ・・・Spun-bonded

B01D 2239/0631 ・・・Electro-spun

B01D 2239/0636 ・・・Two or more types of fibres present in the filter material

B01D 2239/064 ・・・The fibres being mixed

B01D 2239/0645 ・・Arrangement of the particles in the filtering material

B01D 2239/065 ・・More than one layer present in the filtering material (apparatus incorporating such gas filtering material B01D 2275/10)

B01D 2239/0654 ・・・Support layers

B01D 2239/0659 ・・・The layers being joined by needling

B01D 2239/0663 ・・・The layers being joined by hydro-entangling

B01D 2239/0668 ・・・The layers being joined by heat or melt-bonding

B01D 2239/0672 ・・・The layers being joined by welding

B01D 2239/0677 ・・・by spot-welding

B01D 2239/0681 ・・・The layers being joined by gluing

B01D 2239/0686 ・・・by spot-gluing

B01D 2239/069 ・・Special geometry of layers

B01D 2239/0695 ・・・Wound layers (apparatus incorporating such gas filtering material B01D 2275/105)

B01D 2239/08 ・Special characteristics of binders

B01D 2239/083 ・・Binders between layers of the filter

B01D 2239/086 ・・Binders between particles or fibres

B01D 2239/10 ・Filtering material manufacturing

B01D 2239/12 ・Special parameters characterising the filtering material

B01D 2239/1208 ・・Porosity (apparatus incorporating such gas filtering material B01D 2275/30 to B01D 2275/307)

B01D 2239/1216 ・・Pore size

B01D 2239/1225 ・・Fibre length

B01D 2239/1233 ・・Fibre diameter

B01D 2239/1241 ・・Particle diameter

B01D 2239/125 ・・Size distribution

B01D 2239/1258 ・・Permeability

B01D 2239/1266 ・・Solidity

B01D 2239/1275 ・・Stiffness

B01D 2239/1283 ・・Stability index

B01D 2239/1291 ・・Other parameters

B01D 2247/00 Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent

B01D 2247/02 ・Enhancing the particle separation by electrostatic or magnetic effects (B01D 2247/102 takes precedence; electrostatic or magnetic separation B03C)

B01D 2247/04 ・Regenerating the washing fluid (recovering paint spray booth B05B 15/1266)

B01D 2247/06 ・Separation units provided with means for cleaning and maintenance

B01D 2247/08 ・Means for controlling the separation process

B01D 2247/10 ・Means for removing the washing fluid dispersed in the gas or vapours (separating dispersed particles from gases by gravity, inertia or centrifugal forces B01D 45/00)

B01D 2247/101 ・・using a cyclone

B01D 2247/102 ・・using electrostatic or magnetic effects

B01D 2247/103 ・・using fluids, e.g. as a fluid curtain or as large liquid droplets

B01D 2247/104 ・・using an impeller

B01D 2247/105 ・・by gas flow reversal

B01D 2247/106 ・・using an structured demister, e.g. tortuous channels

B01D 2247/107 ・・using an unstructured demister, e.g. a wire mesh demister

B01D 2247/108 ・・using vortex inducers

B01D 2247/12 ・Fan arrangements for providing forced draft

B01D 2247/14 ・Fan arrangements for providing induced draft

B01D 2251/00 Reactants

B01D 2251/10 ・Oxidants

B01D 2251/102 ・・Oxygen

B01D 2251/104 ・・Ozone

B01D 2251/106 ・・Peroxides

B01D 2251/1065 ・・・Organic peroxides

B01D 2251/108 ・・Halogens or halogen compounds (hydrogen halides B01D 2251/50)

B01D 2251/11 ・・Air

B01D 2251/20 ・Reductants

B01D 2251/202 ・・Hydrogen

B01D 2251/204 ・・Carbon monoxide

B01D 2251/206 ・・Ammonium compounds

B01D 2251/2062 ・・・Ammonia

B01D 2251/2065 ・・・Ammonium hydroxide

B01D 2251/2067 ・・・Urea

B01D 2251/208 ・・Hydrocarbons

B01D 2251/21 ・・Organic compounds not provided for in groups B01D 2251/206 or B01D 2251/208

B01D 2251/30 ・Alkali metal compounds

B01D 2251/302 ・・of lithium

B01D 2251/304 ・・of sodium

B01D 2251/306 ・・of potassium

B01D 2251/40 ・Alkaline earth metal or magnesium compounds

B01D 2251/402 ・・of magnesium

B01D 2251/404 ・・of calcium

B01D 2251/406 ・・of strontium

B01D 2251/408 ・・of barium

B01D 2251/50 ・Inorganic acids

B01D 2251/502 ・・Hydrochloric acid

B01D 2251/504 ・・Nitric acid

B01D 2251/506 ・・Sulfuric acid

B01D 2251/508 ・・Sulfur dioxide

B01D 2251/51 ・・Hydrogen sulfide

B01D 2251/512 ・・Phosphoric acid

B01D 2251/60 ・Inorganic bases or salts

B01D 2251/602 ・・Oxides

B01D 2251/604 ・・Hydroxides

B01D 2251/606 ・・Carbonates

B01D 2251/608 ・・Sulfates

B01D 2251/61 ・・Phosphates

B01D 2251/70 ・Organic acids

B01D 2251/80 ・Organic bases or salts

B01D 2251/90 ・Chelants

B01D 2251/902 ・・EDTA

B01D 2251/904 ・・NTA

B01D 2251/95 ・Specific microorganisms

B01D 2252/00 Absorbents, i.e. solvents and liquid materials for gas absorption

B01D 2252/10 ・Inorganic absorbents (chemical reactants B01D 2251/00)

B01D 2252/102 ・・Ammonia

B01D 2252/103 ・・Water

B01D 2252/1035 ・・・Sea water

B01D 2252/20 ・Organic absorbents

B01D 2252/202 ・・Alcohols or their derivatives

B01D 2252/2021 ・・・Methanol

B01D 2252/2023 ・・・Glycols, diols or their derivatives

B01D 2252/2025 ・・・・Ethers or esters of alkylene glycols, e.g. ethylene or propylene carbonate

B01D 2252/2026 ・・・・Polyethylene glycol, ethers or esters thereof, e.g. Selexol

B01D 2252/2028 ・・・・Polypropylene glycol, ethers or esters thereof

B01D 2252/204 ・・Amines

B01D 2252/20405 ・・・Monoamines

B01D 2252/2041 ・・・Diamines

B01D 2252/20415 ・・・Tri- or polyamines

B01D 2252/20421 ・・・Primary amines

B01D 2252/20426 ・・・Secondary amines

B01D 2252/20431 ・・・Tertiary amines

B01D 2252/20436 ・・・Cyclic amines

B01D 2252/20442 ・・・・containing a piperidine-ring

B01D 2252/20447 ・・・・containing a piperazine-ring

B01D 2252/20452 ・・・・containing a morpholine-ring

B01D 2252/20457 ・・・・containing a pyridine-ring

B01D 2252/20463 ・・・・containing a pyrimidine-ring

B01D 2252/20468 ・・・・containing a pyrrolidone-ring

B01D 2252/20473 ・・・・containing an imidazole-ring

B01D 2252/20478 ・・・Alkanolamines

B01D 2252/20484 ・・・・with one hydroxyl group

B01D 2252/20489 ・・・・with two or more hydroxyl groups

B01D 2252/20494 ・・・Amino acids, their salts or derivatives

B01D 2252/205 ・・Other organic compounds not covered by B01D 2252/00 to B01D 2252/20494

B01D 2252/2053 ・・・Other nitrogen compounds

B01D 2252/2056 ・・・Sulfur compounds, e.g. Sulfolane, thiols

B01D 2252/30 ・Ionic liquids and zwitter-ions

B01D 2252/40 ・Absorbents explicitly excluding the presence of water

B01D 2252/50 ・Combinations of absorbents

B01D 2252/502 ・・having two or more functionalities in the same molecule other than alkanolamine

B01D 2252/504 ・・Mixtures of two or more absorbents

B01D 2252/60 ・Additives

B01D 2252/602 ・・Activators, promoting agents, catalytic agents or enzymes

B01D 2252/604 ・・Stabilisers or agents inhibiting degradation

B01D 2252/606 ・・Anticorrosion agents

B01D 2252/608 ・・Antifoaming agents

B01D 2252/61 ・・Antifouling agents

B01D 2253/00 Adsorbents used in seperation treatment of gases and vapours

B01D 2253/10 ・Inorganic adsorbents

B01D 2253/102 ・・Carbon

B01D 2253/104 ・・Alumina

B01D 2253/106 ・・Silica or silicates

B01D 2253/108 ・・・Zeolites

B01D 2253/1085 ・・・・characterized by a silicon-aluminium ratio

B01D 2253/11 ・・・Clays

B01D 2253/112 ・・Metals or metal compounds not provided for in B01D 2253/104 or B01D 2253/106

B01D 2253/1122 ・・・Metals

B01D 2253/1124 ・・・Metal oxides

B01D 2253/1126 ・・・Metal hydrides

B01D 2253/1128 ・・・Metal sulfides

B01D 2253/116 ・・Molecular sieves other than zeolites

B01D 2253/20 ・Organic adsorbents

B01D 2253/202 ・・Polymeric adsorbents

B01D 2253/204 ・・Metal organic frameworks (MOF's)

B01D 2253/206 ・・Ion exchange resins

B01D 2253/25 ・Coated, impregnated or composite adsorbents

B01D 2253/30 ・Physical properties of adsorbents

B01D 2253/302 ・・Dimensions

B01D 2253/304 ・・・Linear dimensions, e.g. particle shape, diameter

B01D 2253/306 ・・・Surface area, e.g. BET-specific surface

B01D 2253/308 ・・・Pore size

B01D 2253/31 ・・・Pore size distribution

B01D 2253/311 ・・・Porosity, e.g. pore volume

B01D 2253/34 ・・Specific shapes

B01D 2253/342 ・・・Monoliths

B01D 2253/3425 ・・・・Honeycomb shape

B01D 2255/00 Catalysts

B01D 2255/10 ・Noble metals or compounds thereof

B01D 2255/102 ・・Platinum group metals

B01D 2255/1021 ・・・Platinum

B01D 2255/1023 ・・・Palladium

B01D 2255/1025 ・・・Rhodium

B01D 2255/1026 ・・・Ruthenium

B01D 2255/1028 ・・・Iridium

B01D 2255/104 ・・Silver

B01D 2255/106 ・・Gold

B01D 2255/20 ・Metals or compounds thereof (noble metals B01D 2255/10)

B01D 2255/202 ・・Alkali metals

B01D 2255/2022 ・・・Potassium

B01D 2255/2025 ・・・Lithium

B01D 2255/2027 ・・・Sodium

B01D 2255/204 ・・Alkaline earth metals

B01D 2255/2042 ・・・Barium

B01D 2255/2045 ・・・Calcium

B01D 2255/2047 ・・・Magnesium

B01D 2255/206 ・・Rare earth metals

B01D 2255/2061 ・・・Yttrium

B01D 2255/2063 ・・・Lanthanum

B01D 2255/2065 ・・・Cerium

B01D 2255/2066 ・・・Praseodymium

B01D 2255/2068 ・・・Neodymium

B01D 2255/207 ・・Transition metals

B01D 2255/20707 ・・・Titanium

B01D 2255/20715 ・・・Zirconium

B01D 2255/20723 ・・・Vanadium

B01D 2255/2073 ・・・Manganese

B01D 2255/20738 ・・・Iron

B01D 2255/20746 ・・・Cobalt

B01D 2255/20753 ・・・Nickel

B01D 2255/20761 ・・・Copper

B01D 2255/20769 ・・・Molybdenum

B01D 2255/20776 ・・・Tungsten

B01D 2255/20784 ・・・Chromium

B01D 2255/20792 ・・・Zinc

B01D 2255/209 ・・Other metals

B01D 2255/2092 ・・・Aluminium

B01D 2255/2094 ・・・Tin

B01D 2255/2096 ・・・Bismuth

B01D 2255/2098 ・・・Antimony

B01D 2255/30 ・Silica

B01D 2255/40 ・Mixed oxides

B01D 2255/402 ・・Perovskites

B01D 2255/405 ・・Spinels

B01D 2255/407 ・・Zr-Ce mixed oxides

B01D 2255/50 ・Zeolites

B01D 2255/502 ・・Beta zeolites

B01D 2255/504 ・・ZSM 5 zeolites

B01D 2255/65 ・Catalysts not containing noble metals

B01D 2255/70 ・Non-metallic catalysts, additives or dopants

B01D 2255/702 ・・Carbon

B01D 2255/705 ・・Ligands for metal-organic catalysts

B01D 2255/707 ・・Additives or dopants

B01D 2255/80 ・Type of catalytic reaction

B01D 2255/802 ・・Photocatalytic

B01D 2255/804 ・・Enzymatic

B01D 2255/806 ・・Electrocatalytic

B01D 2255/808 ・・Hydrolytic

B01D 2255/90 ・Physical characteristics of catalysts

B01D 2255/902 ・・Multilayered catalyst

B01D 2255/9022 ・・・Two layers

B01D 2255/9025 ・・・Three layers

B01D 2255/9027 ・・・More than three layers

B01D 2255/903 ・・Multi-zoned catalysts

B01D 2255/9032 ・・・Two zones

B01D 2255/9035 ・・・Three zones

B01D 2255/9037 ・・・More than three zones

B01D 2255/904 ・・Multiple catalysts

B01D 2255/9045 ・・・in parallel

B01D 2255/905 ・・Catalysts having a gradually changing coating

B01D 2255/906 ・・Catalyst dispersed in the gas

B01D 2255/908 ・・O2-storage component incorporated in the catalyst

B01D 2255/909 ・・H2-storage component incorporated in the catalyst

B01D 2255/91 ・・NOx-storage component incorporated in the catalyst

B01D 2255/911 ・・NH3-storage component incorporated in the catalyst

B01D 2255/912 ・・HC-storage component incorporated in the catalyst

B01D 2255/915 ・・Catalyst supported on particulate filters

B01D 2255/9155 ・・・Wall flow filters

B01D 2255/92 ・・Dimensions

B01D 2255/9202 ・・・Linear dimensions

B01D 2255/9205 ・・・Porosity

B01D 2255/9207 ・・・Specific surface

B01D 2256/00 Main component in the product gas stream after treatment

B01D 2256/10 ・Nitrogen

B01D 2256/12 ・Oxygen

B01D 2256/14 ・Ozone

B01D 2256/16 ・Hydrogen

B01D 2256/18 ・Noble gases

B01D 2256/20 ・Carbon monoxide

B01D 2256/22 ・Carbon dioxide

B01D 2256/24 ・Hydrocarbons

B01D 2256/245 ・・Methane

B01D 2256/26 ・Halogens or halogen compounds

B01D 2257/00 Components to be removed

B01D 2257/10 ・Single element gases other than halogens

B01D 2257/102 ・・Nitrogen

B01D 2257/104 ・・Oxygen

B01D 2257/106 ・・Ozone

B01D 2257/108 ・・Hydrogen

B01D 2257/11 ・・Noble gases

B01D 2257/20 ・Halogens or halogen compounds

B01D 2257/202 ・・Single element halogens

B01D 2257/2022 ・・・Bromine

B01D 2257/2025 ・・・Chlorine

B01D 2257/2027 ・・・Fluorine

B01D 2257/204 ・・Inorganic halogen compounds

B01D 2257/2042 ・・・Hydrobromic acid

B01D 2257/2045 ・・・Hydrochloric acid

B01D 2257/2047 ・・・Hydrofluoric acid

B01D 2257/206 ・・Organic halogen compounds

B01D 2257/2062 ・・・Bromine compounds

B01D 2257/2064 ・・・Chlorine

B01D 2257/2066 ・・・Fluorine

B01D 2257/2068 ・・・Iodine

B01D 2257/30 ・Sulfur compounds

B01D 2257/302 ・・Sulfur oxides

B01D 2257/304 ・・Hydrogen sulfide

B01D 2257/306 ・・Organic sulfur compounds, e.g. mercaptans

B01D 2257/308 ・・Carbonoxysulfide COS

B01D 2257/40 ・Nitrogen compounds

B01D 2257/402 ・・Dinitrogen oxide

B01D 2257/404 ・・Nitrogen oxides other than dinitrogen oxide

B01D 2257/406 ・・Ammonia

B01D 2257/408 ・・Cyanides, e.g. hydrogen cyanide (HCH)

B01D 2257/50 ・Carbon oxides

B01D 2257/502 ・・Carbon monoxide

B01D 2257/504 ・・Carbon dioxide

B01D 2257/55 ・Compounds of silicon, phosphorus, germanium or arsenic

B01D 2257/553 ・・Compounds comprising hydrogen, e.g. silanes

B01D 2257/556 ・・Organic compounds

B01D 2257/60 ・Heavy metals or heavy metal compounds

B01D 2257/602 ・・Mercury or mercury compounds

B01D 2257/70 ・Organic compounds not provided for in groups B01D 2257/00 to B01D 2257/602

B01D 2257/702 ・・Hydrocarbons

B01D 2257/7022 ・・・Aliphatic hydrocarbons

B01D 2257/7025 ・・・・Methane

B01D 2257/7027 ・・・Aromatic hydrocarbons

B01D 2257/704 ・・Solvents not covered by groups B01D 2257/702 to B01D 2257/7027

B01D 2257/706 ・・Organometallic compounds

B01D 2257/708 ・・Volatile organic compounds V.O.C.`s

B01D 2257/80 ・Water

B01D 2257/90 ・Odorous compounds not provided for in groups B01D 2257/00 to B01D 2257/708

B01D 2257/91 ・Bacteria; Micro-organisms

B01D 2257/93 ・Toxic compounds not provided for in groups B01D 2257/00 to B01D 2257/708

B01D 2258/00 Sources of waste gases

B01D 2258/01 ・Engine exhaust gases

B01D 2258/012 ・・Diesel engines and lean burn gasoline engines

B01D 2258/014 ・・Stoichiometric gasoline engines

B01D 2258/016 ・・Methanol engines

B01D 2258/018 ・・Natural gas engines

B01D 2258/02 ・Other waste gases

B01D 2258/0208 ・・from fuel cells

B01D 2258/0216 ・・from CVD treatment or semi-conductor manufacturing

B01D 2258/0225 ・・from chemical or biological warfare

B01D 2258/0233 ・・from cement factories

B01D 2258/0241 ・・from glass manufacture plants

B01D 2258/025 ・・from metallurgy plants

B01D 2258/0258 ・・from painting equipments or paint drying installations

B01D 2258/0266 ・・from animal farms

B01D 2258/0275 ・・from food processing plants or kitchens

B01D 2258/0283 ・・Flue gases

B01D 2258/0291 ・・・from waste incineration plants

B01D 2258/05 ・Biogas

B01D 2258/06 ・Polluted air

B01D 2259/00 Type of treatment

B01D 2259/10 ・Gas phase, e.g. by using aerosols

B01D 2259/12 ・Methods and means for introducing reactants (for catalytic processes B01D 53/90)

B01D 2259/122 ・・Gaseous reactants

B01D 2259/124 ・・Liquid reactants

B01D 2259/126 ・・Semi-solid reactants, e.g. slurries

B01D 2259/128 ・・Solid reactants

B01D 2259/40 ・Further details for adsorption processes and devices

B01D 2259/40001 ・・Methods relating to additional, e.g. intermediate, treatment of process gas

B01D 2259/40003 ・・Methods relating to valve switching

B01D 2259/40005 ・・・using rotary valves

B01D 2259/40007 ・・Controlling pressure or temperature swing adsorption

B01D 2259/40009 ・・・using sensors or gas analysers

B01D 2259/40011 ・・Methods relating to the process cycle in pressure or temperature swing adsorption

B01D 2259/40013 ・・・Pressurization

B01D 2259/40015 ・・・・with two sub-steps

B01D 2259/40016 ・・・・with three sub-steps

B01D 2259/40018 ・・・・with more than three sub-steps

B01D 2259/4002 ・・・Production

B01D 2259/40022 ・・・・with two sub-steps