METHOD OF PREPARING CATALYST FOR HYDROCRACKING OF PETROLEUM FEEDSTOCK Russian patent published in 2007 - IPC B01J37/04 B01J37/02 B01J29/16 C10G47/02 C10G45/08 

FIELD: petroleum processing.

SUBSTANCE: petroleum feedstock hydrocracking catalyst is prepared by compounding zeolite Y with aluminonickel(cobalt)-molybdenum(tungsten) oxide system. Specifically, low-alkalinity zeolite Y having silicate modulus 5.5-7.0 and crystallinity at least 70% is mixed with aluminum hydroxide having pseudoboehmite structure in proportion (1-9):1. Thus obtained mix is molded, dried, and calcined under water steam atmosphere to give molded thermally treated zeolite. The latter is impregnated with aqueous Ni(Co) and Mo(W) salt solutions or ground and compounded with aluminonickel(cobalt)-molybdenum(tungsten) oxide system by mixing with aluminum hydroxide and Ni(Co) and Mo(W) salts, after which follow molding and impregnation with aqueous Ni(Co) and Mo(W) salt solutions.

EFFECT: expanded catalyst preparation possibilities.

2 cl, 5 tbl, 4 ex