Catalytic cracking process utilizing an iso-olefin enhancer cata

Details Catalytic cracking process utilizing an iso-olefin enhancer cata Catalytic cracking process utilizing an iso-olefin enhancer cata

1991-07-31

1993-08-10

Morris, Theodore

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 49, 208120, 208134, C10G 5700

Patent

active

052345750

ABSTRACT:
The invention relates to improving the selectivity of the production of isobutylene or 2-methylpropene during fluid catalytic cracking of heavy C.sub.9 + aromatic containing feeds including resids and/or gas oils by employing two catalyst components, one of which comprises ZSM-23, ZSM-22, ZSM-35 or similarly structured catalysts and the other catalyst component being effective under the fluid catalytic cracking conditions to produce high octane gasoline.

REFERENCES:
patent: 4749819 (1988-06-01), Hamilton, Jr.
patent: 4753720 (1988-06-01), Morrison
patent: 4892643 (1990-01-01), Herbst et al.
patent: 4969987 (1990-11-01), Le et al.

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