Octane and total yield improvement in catalytic cracking

Details Octane and total yield improvement in catalytic cracking Octane and total yield improvement in catalytic cracking

1981-09-14

1983-01-11

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 208135, 208138, 252411R, 252455Z, 252477R, C10G 1105

Patent

active

043681140

ABSTRACT:
Octane and total yield improvement in catalytic cracking processes can be attained by the addition to conventional cracking catalysts of very small amounts of additive catalyst comprising a class of zeolites characterized by a silica to alumina mole ratio greater than about 12 and a constraint index of about 1 to 12. The additive catalyst is added to the conventional cracking catalyst in the cracking process in an amount which provides the zeolite component of the additive catalyst at from about 0.01 weight percent to about 1.0 weight percent of the conventional cracking catalyst in the cracking process.

REFERENCES:
patent: 3686121 (1972-08-01), Kimberlin et al.
patent: 3748251 (1973-07-01), Demmel et al.
patent: 3758403 (1973-09-01), Rosinski et al.
patent: 3847793 (1974-11-01), Schwartz et al.
patent: 4239654 (1980-12-01), Gladrow et al.
patent: 4287048 (1981-09-01), Gladrow et al.

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