FIELD: petroleum processing. SUBSTANCE: processing is carried out in presence of group VI-VIII metal salt aqueous solutions dispersed in immiscible hydrocarbon. Primarily, solution of molybdenum-containing catalyst in water activated by unipolar treatment with constant current, which is further promoted by Co, Ni, and Mn compounds at Me/Mo atomic ratio 0.1-1.0. pH of activated water ranges from 1 to 5. EFFECT: increased yield of light fractions and reduced coke formation. 2 cl, 1 tbl, 8 ex
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