Fluid catalyst regeneration process and apparatus

Details Fluid catalyst regeneration process and apparatus Fluid catalyst regeneration process and apparatus

B - Operations, Transporting

01

J

23/370, 252/1.D

B01J 38/00 (2006.01) B01J 8/24 (2006.01) B01J 29/90 (2006.01) C10G 11/18 (2006.01)

Patent

CA 1177463

ABSTRACT A catalyst regeneration process and apparatus for the oxidative removal of coke from a coke contaminated fluid catalyst. The process comprises a high temperature coke combustion zone, a catalyst disengagement zone and an external heat removal zone. A mixture of coke contaminated catalyst, oxygen containing gas, hot regenerated catalyst and cool regenerated catalyst from the heat removal zone are contacted in the high temperature combustion zone, the temperature of which is controlled by adjusting the rate at which catalyst is recycled from the heat removal zone. The tempera- ture of the catalyst-gas mixture is controlled by adjusting the rate at which hot catalyst is recycled from the disengagement zone.

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