Fluidized catalytic cracking process

Details Fluidized catalytic cracking process Fluidized catalytic cracking process

1984-02-08

1985-11-12

Gantz, D. E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208111, C10G 1105

Patent

active

045526486

ABSTRACT:
A process for catalytically cracking a hydrocarbon feed in a reaction zone under catalytic cracking conditions in the absence of added hydrogen with a catalyst comprising a conventional cracking catalyst. The improvement comprises adding to the conventional cracking catalyst a thermally treated zeolite having a mole ratio of SiO.sub.2 :Al.sub.2 O.sub.3 of about 10:1 to 100:1 and a constraint index of about 1 to 12. Thermal treatment reduces the additive zeolite's alpha activity to about 1 to 10 prior to use.

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