Catalytic cracking utilizing a zeolite and aluminum phosphate-co

Details Catalytic cracking utilizing a zeolite and aluminum phosphate-co Catalytic cracking utilizing a zeolite and aluminum phosphate-co

1992-10-26

1994-02-15

Breneman, R. Bruce

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

C10G 1102

Patent

active

052863697

ABSTRACT:
Catalyst compositions are described which comprise crystalline molecular sieve zeolites and an aluminum phosphate component having a surface area of less than about 50 m.sup.2 /g and a high degree of attrition resistance. The catalysts are particularly effective for the catalytic cracking of high molecular hydrocarbon feedstocks to obtain enhanced yields of C.sub.3 and C.sub.4 olefins such as isobutylene.

REFERENCES:
patent: 4158621 (1979-06-01), Swift et al.
patent: 4179358 (1979-12-01), Swift et al.
patent: 4724066 (1988-02-01), Kirker et al.
patent: 4765884 (1988-08-01), Walker et al.

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