Fluidized catalytic cracking regeneration process

Details Fluidized catalytic cracking regeneration process Fluidized catalytic cracking regeneration process

C - Chemistry, Metallurgy

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196/111

C10G 11/00 (2006.01) B01J 8/24 (2006.01) B01J 29/90 (2006.01) C10G 11/18 (2006.01)

Patent

CA 1073388

FLUIDIZED CATALYTIC CRACKING REGENERATION PROCESS D#74,808-1 -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 balancing oxygen concentration across the cross-sectional area of the dense phase bed, as is a method for supplying additional oxygen above the dense phase bed for combustion of carbon monoxide Additionally, a method is provided for transferring heat from a dilute phase back to the fluidized dense phase bed. -I-

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