Secondary injection of zsm-5 type zeolite in catalytic cracking

Details Secondary injection of zsm-5 type zeolite in catalytic cracking Secondary injection of zsm-5 type zeolite in catalytic cracking

C - Chemistry, Metallurgy

10

G

196/97

C10G 11/18 (2006.01)

Patent

CA 1237690

SECONDARY INJECTION OF ZSM-5 TYPE ZEOLITE IN CATALYTIC CRACKING ABSTRACT A catalytic cracking process comprising secondary injection of an additive catalyst, ZSM-5 type zealot, at a point downstream of the point of introduction of the hydrocarbon feed is disclosed. Also disclosed is the separation of such ZSM-5 type additive catalyst from the conventional cracking catalyst used in the cracking process as well as the separate regeneration and reintroduction of the conventional cracking and additive catalysts into the cracking process.

451665

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