CPC Main Group
C01B 3/00 Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J)
5 direct subcodes
Child Classifications
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- C01B 3/0005 Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes
- C01B 3/0089 Ortho-para conversion
- C01B 3/0094 Atomic hydrogen
- C01B 3/02 Production of hydrogen; Production of gaseous mixtures containing hydrogen
- C01B 3/50 Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification