Distillate hydrocracking catalyst and process for the preparatio

Details Distillate hydrocracking catalyst and process for the preparatio Distillate hydrocracking catalyst and process for the preparatio

1997-06-30

1999-10-26

Bell, Mark L.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502335, 502337, 502305, 502315, 502 64, 502 65, 502 74, 502 78, 502 79, 502224, 502228, 502229, 502254, 502258, 502259, B01J 2340, B01J 2906, B01J 2706, B01J 2108

Patent

active

059728329

ABSTRACT:
The present invention relates to a hydrocracking catalyst containing nickel, tungsten, fluorine, zeolite as well as alumina, said catalyst is composed of, based on the total weight of the catalyst, 0.5-5.0 wt % fluorine, 2.5-6.0 wt % nickel oxide, 10-38 wt % tungsten oxide, and a catalyst carrier. Said carrier is composed of 20-90 wt % alumina and 10-90 wt % zeolite wherein the zeolite is mesopore or macropore zeolite of an acidity strength value 1.0-2.0 mmol/g determined by NH.sub.3 -TPD, the alumina is the alumina of an acidity strength value 0.5-0.8 mmol/g determined by NH.sub.3 -TPD. Said catalyst possesses good desulfurization activity, denitrogenation activity, and higher selectivity with respect to middle distillates than that of the prior art.

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