FIELD: petroleum processing. SUBSTANCE: catalyst is prepared through impregnating carrier with solution of nickel and molybdenum salts in presence of phosphoric acid at pH 2.5-3.5 followed by drying and calcination. As carrier, mixture of aluminium hydroxide and alumino- cobalt-molybdenum crumbs (from 4:1 to 9:1) with particle size 10-100 mcm is used, which has been preliminarily treated with nitric acid solution at pH 1.5-3.0 and 80-95 C. EFFECT: improved preparation procedure. 1 tbl
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