Fluid catalytic cracking regeneration with spent catalyst...

Details Fluid catalytic cracking regeneration with spent catalyst... Fluid catalytic cracking regeneration with spent catalyst...

C - Chemistry, Metallurgy

10

G

196/106

C10G 11/18 (2006.01) B01J 8/26 (2006.01) B01J 38/30 (2006.01)

Patent

CA 1302330

-26- F-4430 FLUID CATALYTIC CRACKING REGENERATION WITH SPENT CATALYST SEPARATOR ABSTRACT An FCC regenerator separator separates spent catalyst from entrained hydrocarbons so that the hydrocarbons are not burned in the regenerator. The spent catalyst is distributed into the regeneration zone in a manner which promotes uniformity of bed composition. The spent catalyst is transferred to the regenerator separator by a stream of gas such as air, steam or flue gas which effects stripping of the hydrocarbons from the spent catalyst additional to that already effected by a conventional stripper. The spent catalyst separation system in the regenerator may include primary and secondary separator cyclones linked by a closed conduit system which exhausts the hydrocarbons separated from the spent catalyst without co-mingling with the regeneration effluent gases in the main body of the regenerator vessel.

578026

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