C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDEIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. C10K1/00 C10K1/00Purifying combustible gases containing carbon monoxide isolation of hydrogen from mixtures containing hydrogen and carbon monoxide C01B3/50 C10K1/001working-up the condensates recovering of NH₃ and NH₄ salts C01C1/00; working-up or purifying tars and tar-oils C10C1/00 C10K1/002Removal of contaminants C10K1/003of acid contaminants, e.g. acid gas removal C10K1/004Sulfur containing contaminants, e.g. hydrogen sulfide C10K1/005Carbon dioxide C10K1/006Hydrogen cyanide C10K1/007of metal compounds C10K1/008Alkali metal compounds C10K1/02Dust removal C10K1/022by baffle plates C10K1/024by filtration C10K1/026by centrifugal forces cyclones B04C C10K1/028by electrostatic precipitation separating dispersed particles from gases or vapour by electrostatic effect in general B03C3/00 C10K1/04by cooling to condense non-gaseous materials C10K1/001 takes precedence C10K1/043adding solvents as vapour to prevent naphthalene- or resin deposits C10K1/046Reducing the tar content C10K1/06combined with spraying with water C10K1/001 takes precedence C10K1/08by washing with liquidsReviving the used wash liquors gas washers B01D C10K1/085two direct washing treatments, one with an aqueous liquid and one with a non-aqueous liquid C10K1/10with aqueous liquids alkaline reacting aqueous liquids C10K1/12 C10K1/101with water only C10K1/102containing free acid C10K1/103alkali- or earth-alkali- or NH₄ salts or inorganic acids derived from sulfur C10K1/105containing metal compounds other than alkali- or earth-alkali carbonates, -hydroxides, oxides, or salts of inorganic acids derived from sulfur C10K1/106containing Fe compounds C10K1/107containing As-, Sb-, Sn compounds C10K1/108containing Cu compounds C10K1/12alkaline-reacting including the revival of the used wash liquors C10K1/121containing NH₃ only (possibly in combination with NH₄ salts) C10K1/122containing only carbonates, bicarbonates, hydroxides or oxides of alkali-metals (including Mg) C10K1/123containing alkali-, earth-alkali- or NH₄ salts of inorganic acids derived from sulfur C10K1/124containing metal compounds other than alkali- or earth-alkali carbonates, hydroxides- or oxides- or salts of inorganic acids derived from sulfur C10K1/125containing Fe compounds C10K1/126containing As-, Sb-, Sn compounds C10K1/127containing Cu compounds C10K1/128containing organic oxygen transferring compounds, e.g. sulfoxides C10K1/14organic C10K1/143containing amino groups C10K1/146alkali-, earth-alkali- or NH₄ salts C10K1/16with non-aqueous liquids C10K1/165at temperatures below zero degrees Celsius C10K1/18hydrocarbon oils C10K1/165 takes precedence C10K1/20by treating with solidsRegenerating spent purifying masses separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12 C10K1/205Methods and apparatus for treating the purifying masses without their regeneration recovering of sulfur C01B17/00; recovering of cyanide compounds C01C3/00 C10K1/22Apparatus, e.g. dry box purifiers C10K1/24Supporting means for the purifying material C10K1/26Regeneration of the purifying material contains also apparatus for the regeneration of the purifying material C10K1/28Controlling the gas flow through the purifiers C10K1/30with moving purifying masses C10K1/32with selectively adsorptive solids, e.g. active carbon C10K1/34by catalytic conversion of impurities to more readily removable materials C10K3/00Modifying 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 C10K3/001by thermal treatment C10K3/003Reducing the tar content C10K3/005by partial oxidation C10K3/006by steam reforming C10K3/008by cracking C10K3/02by catalytic treatment C10K3/023Reducing the tar content C10K3/026Increasing the carbon monoxide content, e.g. reverse water-gas shift [RWGS] C10K3/04reducing the carbon monoxide content , e.g. water-gas shift [WGS] C10K3/06by mixing with gases