Fluidized catalytic cracking regeneration process

Details Fluidized catalytic cracking regeneration process Fluidized catalytic cracking regeneration process

C - Chemistry, Metallurgy

10

G

252/1.E

C10G 11/18 (2006.01) B01J 8/24 (2006.01) B01J 21/20 (2006.01)

Patent

CA 1080197

FLUIDIZED CATALYTIC CRACKING REGENERATION PROCESS (D#73,359-1-F) A B S T R A C T A process is described herein for regeneration of spent, coke contaminated fluidized cracking catalyst by burning coke therefrom with a molecular oxygen contain- ing regeneration gas in a fluidized dense phase bed, and for burning substantially all carbon monoxide formed to carbon dioxide. A method is provided for supplying addi- tional oxygen to a dilute phase above the dense phase bed for combustion of carbon monoxide, Additionally, a method is provided for transferring heat from the dilute phase back to the bottom of the fluidized dense phase bed. -I-

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