Fluidized catalytic cracking process with long residence time st

Details Fluidized catalytic cracking process with long residence time st Fluidized catalytic cracking process with long residence time st

1983-10-19

1984-11-06

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 502 41, 502 55, C10G 1102

Patent

active

044811039

ABSTRACT:
Process for reduction of sulfur oxides emissions to the atmosphere from FCC regenerators. Spent FCC cracking catalyst containing sulfur and coke deposits is stripped at 500.degree. to 700.degree. C. for 1 to 10 minutes with steam to remove at least a portion of said sulfur deposits from said catalyst prior to catalyst regeneration.

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patent: 4385985 (1983-05-01), Gross et al.

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