WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

C10K　PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE

C10K 1/00 Purifying combustible gases containing carbon monoxide (isolation of hydrogen from mixtures containing hydrogen and carbon monoxide C01B 3/50)

C10K 1/001 ・{working-up the condensates (recovering of NH3 and NH4 salts C01C 1/00; working-up or purifying tars and tar-oils C10C 1/00)}

C10K 1/002 ・{Removal of contaminants}

C10K 1/003 ・・{of acid contaminants, e.g. acid gas removal}

C10K 1/004 ・・・{Sulfur containing contaminants, e.g. hydrogen sulfide}

C10K 1/005 ・・・{Carbon dioxide}

C10K 1/006 ・・・{Hydrogen cyanide}

C10K 1/007 ・・{of metal compounds}

C10K 1/008 ・・・{Alkali metal compounds}

C10K 1/02 ・Dust removal

C10K 1/022 ・・{by baffle plates}

C10K 1/024 ・・{by filtration}

C10K 1/026 ・・{by centrifugal forces (cyclones B04C)}

C10K 1/028 ・・{by electrostatic precipitation (separating dispersed particles from gases or vapour by electrostatic effect in general B03C 3/00)}

C10K 1/04 ・by cooling to condense non-gaseous materials {(C10K 1/001 takes precedence)}

C10K 1/043 ・・{adding solvents as vapour to prevent naphthalene- or resin deposits}

C10K 1/046 ・・{Reducing the tar content}

C10K 1/06 ・・combined with spraying with water {(C10K 1/001 takes precedence)}

C10K 1/08 ・by washing with liquids; Reviving the used wash liquors (gas washers B01D)

C10K 1/085 ・・{two direct washing treatments, one with an aquous liquid and one with a non-aqueous liquid}

C10K 1/10 ・・with aqueous liquids {alkaline reacting aqueous liquids C10K 1/12}

C10K 1/101 ・・・{with water only}

C10K 1/102 ・・・{containing free acid}

C10K 1/103 ・・・{alkali- or earth-alkali- or NH4 salts or inorganic acids derived from sulfur}

C10K 1/105 ・・・{containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur}

C10K 1/106 ・・・・{containing Fe compounds}

C10K 1/107 ・・・・{containing As-, Sb-, Sn compounds}

C10K 1/108 ・・・・{containing Cu compounds}

C10K 1/12 ・・・alkaline-reacting {including the revival of the used wash liquors}

C10K 1/121 ・・・・{containing NH3 only (possibly in combination with NH4 salts)}

C10K 1/122 ・・・・{containing only carbonates, bicarbonates, hydroxides or oxides of alkali-metals (including Mg)}

C10K 1/123 ・・・・{containing alkali-, earth-alkali- or NH4 salts of inorganic acids derived from sulfur}

C10K 1/124 ・・・・{containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur}

C10K 1/125 ・・・・・{containing Fe compounds}

C10K 1/126 ・・・・・{containing As-, Sb-, Sn compounds}

C10K 1/127 ・・・・・{containing Cu compounds}

C10K 1/128 ・・・・{containing organic oxygen transferring compounds, e.g. sulfoxides}

C10K 1/14 ・・・・organic

C10K 1/143 ・・・・・{containing amino groups}

C10K 1/146 ・・・・・・{alkali-, earth-alkali- or NH4 salts}

C10K 1/16 ・・with non-aqueous liquids

C10K 1/165 ・・・{at temperatures below zero degrees Celsius}

C10K 1/18 ・・・hydrocarbon oils {(C10K 1/165 takes precedence)}

C10K 1/20 ・by treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D 53/02; separation by chemical reaction B01D 53/34 ; refining of hydrocarbon oils with acids C10G 17/02, C10G 27/02, C10G 29/12)}

C10K 1/205 ・・{Methods and apparatus for treating the purifying masses without their regeneration (recovering of sulfur C01B 17/00; recovering of cyanide compounds C01C 3/00)}

C10K 1/22 ・・Apparatus, e.g. dry box purifiers

C10K 1/24 ・・・Supporting means for the purifying material

C10K 1/26 ・・Regeneration of the purifying material {contains also apparatus for the regeneration of the purifying material}

C10K 1/28 ・・Controlling the gas flow through the purifiers

C10K 1/30 ・・with moving purifying masses

C10K 1/32 ・with selectively adsorptive solids, e.g. active carbon

C10K 1/34 ・by catalytic conversion of impurities to more readily removable materials

C10K 3/00 Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide

C10K 3/001 ・{by thermal treatment}

C10K 3/003 ・・{Reducing the tar content}

C10K 3/005 ・・・{by partial oxidation}

C10K 3/006 ・・・{by steam reforming}

C10K 3/008 ・・・{by cracking}

C10K 3/02 ・by catalytic treatment

C10K 3/023 ・・{Reducing the tar content}

C10K 3/026 ・・{Increasing the carbon monoxide content, e.g. reverse water-gas shift [RWGS}]

C10K 3/04 ・・reducing the carbon monoxide content {e.g. water-gas shift [WGS}]

C10K 3/06 ・by mixing with gases