Catalytic cracking with catalyst of improved Y zeolite

Details Catalytic cracking with catalyst of improved Y zeolite Catalytic cracking with catalyst of improved Y zeolite

1975-02-19

1976-11-30

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

252455Z, C10G 1104, B01J 2912, B01J 824

Patent

active

039948005

ABSTRACT:
A process for cracking hydrocarbon feedstocks by contacting such stocks under cracking conditions with a composite catalyst comprising an improved hydrogen exchanged Y-type zeolite component and an amorphous inorganic matrix component. The use of this catalyst yields cracked naphthas of increased olefinic content for the production of lead-free high octane gasoline. Further improvement in the levels of C.sub.3 and C.sub.4 olefins can be realized by incorporating a portion of calcined rare earth exchanged Y-type zeolite into the composite catalyst.

REFERENCES:
patent: 3293192 (1966-12-01), Maher et al.
patent: 3324047 (1967-06-01), Hansford
patent: 3402996 (1968-09-01), Maher et al.
patent: 3591488 (1971-07-01), Eberly et al.
patent: 3644200 (1972-02-01), Young
patent: 3781199 (1973-12-01), Ward
patent: 3783123 (1974-01-01), Young
patent: 3804747 (1974-04-01), Kimberlin et al.
patent: 3835030 (1974-09-01), Mattox et al.

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