Hydrocarbon catalytic cracking catalyst compositions

Details Hydrocarbon catalytic cracking catalyst compositions Hydrocarbon catalytic cracking catalyst compositions

1986-07-24

1988-07-26

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 64, B01J 2906

Patent

active

047600403

ABSTRACT:
A catalyst composition that is prepared by adding phosphorus to a hydrogel slurry of fibrous pseudoboehmite having a diameter of 0.05-0.3 .mu. and a length of 0.5 .mu. or more, mixing a crystalline aluminosilicate zeolite and a clay mineral therewith, spray drying this mixture and calcining, and has a total pore volume (PV) of 0.3-0.7 cc/g, a volume (PVa) occupied by pores whose diameter is 600 .ANG. or less of 0.3-0.7 cc/g and a PVb/PVa ratio where PV-PVa=PVb of 0.5-2.0, displays superior activity, selectivity and metals tolerance when used in the fluid cat-cracking of heavy hydrocarbon oils, in particular residual oils.

REFERENCES:
patent: 4086187 (1978-04-01), Lim et al.
patent: 4476239 (1984-10-01), Chiang et al.
patent: 4567152 (1986-01-01), Pine

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