Low coke-make FCC catalyst

Details Low coke-make FCC catalyst Low coke-make FCC catalyst

1979-08-29

1981-04-21

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208120, B01J 2908

Patent

active

042631742

ABSTRACT:
A catalytic composite, its method of manufacture and use is disclosed. The composite comprises a zeolitic crystalline aluminosilicate dispersed in a porous inorganic oxide carrier material comprising silica, alumina or zirconium and a constituent comprising the ions of one or more rare earths with the weight ratio on a volatile free basis of the rare earth ions to the carrier material being greater than 1.0:100.0. The method of manufacture of the composite comprises mixing a catalyst powder comprising the zeolite dispersed in a porous inorganic oxide carrier material with a solution of a salt of the rare earth, separating a filter cake from the slurry by a means not involving the washing of the filter cake and calcining the filter cake. The catalytic composite may be used in a process for cracking a hydrocarbon charge stock.

REFERENCES:
patent: 3556988 (1971-01-01), Stover et al.
patent: 3823092 (1974-07-01), Gladrow
patent: 3930987 (1976-01-01), Grand
patent: 4107088 (1978-08-01), Elliott, Jr.
patent: 4137151 (1979-01-01), Csicsery

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