Catalytic cracking process with isolated catalyst for conversion

Details Catalytic cracking process with isolated catalyst for conversion Catalytic cracking process with isolated catalyst for conversion

1990-02-26

1991-08-06

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208120, 208149, 208164, 502 41, 502 42, 423239, C10G 1100, C10G 3500, B01J 2034

Patent

active

050375385

ABSTRACT:
Oxides of nitrogen (NO.sub.x) emissions from an FCC regenerator are reduced by adding a DeNO.sub.x catalyst to the FCC regenerator in a form whereby the DeNO.sub.x catalyst remains segregated within the FCC regenerator. This permits use of a DeNO.sub.x catalyst without regard to the effect of the DeNO.sub.x catalyst on the catalytic cracking reaction. Floating hollow spheres, or catalyst fines, containing the DeNO.sub.x catalyst are preferred.

REFERENCES:
patent: 4609537 (1986-09-01), Toplin et al.
patent: 4778665 (1988-10-01), Krishnamurthy et al.
patent: 4812430 (1989-03-01), Child
patent: 4812431 (1989-03-01), Child

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