FIELD: petrochemical processes. SUBSTANCE: hydrogenation processing is carried out in presence of molybdenum-containing catalyst promoted with manganese, cobalt, and nickel compounds at the rate of 0.1-1.0 metal atom per 1 molybdenum atom in presence of phosphoric, nitric, and other inorganic acids. Advantageously, phosphoric acid is utilized in amount 0.05-0.5 phosphorus atoms per 1 molybdenum atom, and phosphoric acid in amount 0.007-0.07% based on catalyst solution weight. EFFECT: increased catalyst efficiency. 3 cl, 1 tbl
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