FIELD: chemistry.
SUBSTANCE: invention relates to catalysts for ortho-para conversion of hydrogen and process of ortho-para conversion of hydrogen during production of liquid hydrogen. Described is a catalyst for the process of ortho-para conversion of hydrogen, which includes an anion of an organic acid selected from: 1,3,5-benzenedicarboxylic acid, 1,4-benzenedicarboxylic acid, 2-methylimidazole and paramagnetic metal ions, having specific surface area of 600-3200 m2/g and containing 1 mmol/g to 4.6 mmol/g of paramagnetic ions metals. Also described is a method of ortho-para conversion of hydrogen in the presence of said catalyst.
EFFECT: increased specific rate of ortho-para conversion of catalyst hydrogen and increased energy efficiency of hydrogen liquefaction.
3 cl, 1 tbl, 5 ex
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