FIELD: chemistry.
SUBSTANCE: oil faction hydroprocessing catalyst obtained in situ by thermal decomposition in the hydrocarbon raw materials - oil fractions - a precursor, anion which is nickel-thiotungstate, or cobalt-thiotungstate, or nickel-thiomolybdate, or cobalt-thiomolybdate. The precursor cation is ion [RR'R"S]+, where R, R', and R" in different versions of the invention are alkyl, aryl, or naphthenic radicals, respectively.
EFFECT: increase of the catalyst activity in hydrodearomatism reactions of bi- and polycyclic aromatic hydrocarbons, hydrogenation, and hydrodesulfurization.
3 cl, 4 tbl, 16 ex
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