Fluidized catalytic cracking process with long residence...

Details Fluidized catalytic cracking process with long residence... Fluidized catalytic cracking process with long residence...

C - Chemistry, Metallurgy

10

G

196/111

C10G 11/18 (2006.01)

Patent

CA 1237088

FLUIDIZED CATALYTIC CRACKING PROCESS WITH LONG RESIDENCE TIME STRIPPER ABSTRACT There is described a process for the reduction of sulfur oxides emissions to the atmosphere from fluidized catalytic cracking regenerators in which spent FCC cracking catalyst containing sulfur and coke deposits is stripped at 500° to 700°C for 1 to 10 minuteswith steam to remove at least a portion of the sulfur deposits from the catalyst prior to catalyst regeneration.

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