Hydrogen Gaseous mixtures containing hydrogen Separation of hydrogen from mixtures containing it Purification of hydrogen

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C

C01B3/00Hydrogen Gaseous mixtures containing hydrogen Separation of hydrogen from mixtures containing it Purification of hydrogen

C01B3/0005Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions C01B3/001characterised by the uptaking medium; Treatment thereof C01B3/0015Organic compounds; Solutions thereof C01B3/0021Carbon C01B3/0026of one single metal or a rare earth metal; Treatment thereof C01B3/0031Intermetallic compounds; Metal alloys; Treatment thereof C01B3/0036only containing iron and titanium; Treatment thereof C01B3/0042only containing magnesium and nickel; Treatment thereof C01B3/0047containing a rare earth metal; Treatment thereof C01B3/0052also containing titanium C01B3/0057also containing nickel C01B3/0063only containing a rare earth metal and only one other metal C01B3/0068the other metal being nickel C01B3/0073Slurries, Suspensions C01B3/0078Composite solid storage mediums C01B3/0084Solid storage mediums characterised by their shape C01B3/0089Ortho-para conversion C01B3/0094Atomic hydrogen C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen C01B3/025Preparation or purification of gas mixtures for ammonia synthesis C01B3/04by decomposition of inorganic compounds C01B3/042Decomposition of water C01B3/045in gaseous phase C01B3/047Decomposition of ammonia C01B3/06by reaction of inorganic compounds containing electro-positively bound hydrogen C01B3/061by reaction of metal oxides with water C01B3/063Cyclic methods C01B3/065from a hydride C01B3/066by reaction of water with phosphorus C01B3/068the hydrogen being generated from the water as a result of a cyclus of reactions, not covered by groups C01B3/063 or C01B3/105 C01B3/08with metals C01B3/10by reaction of water vapour with metals C01B3/105Cyclic methods C01B3/12by reaction of water vapour with carbon monoxide C01B3/14Handling of heat and steam C01B3/16using catalysts C01B3/18using moving solid particles C01B3/20by reaction of metal hydroxides with carbon monoxide C01B3/22by decomposition of gaseous or liquid organic compounds C01B3/24of hydrocarbons C01B3/26using catalysts C01B3/28using moving solid particles C01B3/30using the fluidised bed technique C01B3/32by reaction of gaseous or liquid organic compounds with gasifying agents C01B3/323Catalytic reaction of gaseous or liquid organic compounds other than hydrocarbons with gasifying agents C01B3/326characterised by the catalyst C01B3/34by reaction of hydrocarbons with gasifying agents C01B3/342with the aid of electrical means, electromagnetic or mechanical vibrations, or particle radiations C01B3/344using non-catalytic solid particles C01B3/346using heat generated by superheated steam C01B3/348by direct contact with heat accumulating liquids C01B3/36using oxygen or mixtures containing oxygen as gasifying agents C01B3/363characterised by the burner used C01B3/366Partial combustion in internal-combustion engines C01B3/38using catalysts C01B3/382Multi-step processes C01B3/384the catalyst being continuously externally heated C01B3/386Catalytic partial combustion C01B3/388the heat being generated by superheated steam C01B3/40characterised by the catalyst C01B3/42using moving solid particles C01B3/44using the fluidised bed technique C01B3/46using discontinuously preheated non-moving solid materials C01B3/48followed by reaction of water vapour with carbon monoxide C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures C01B3/501by diffusion C01B3/503characterised by the membrane C01B3/505Membranes containing palladium C01B3/506at low temperatures C01B3/508by selective and reversible uptake by an appropriate medium C01B3/52by contacting with liquids Regeneration of used liquids C01B3/54including a catalytic reaction C01B3/56by contacting with solids Regeneration of used solids C01B3/58including a catalytic reaction C01B3/583the reaction being the selective oxidation of carbon monoxide C01B3/586the reaction being a methanation reaction