Combustion control in a fluid catalytic cracking regenerator

Details Combustion control in a fluid catalytic cracking regenerator Combustion control in a fluid catalytic cracking regenerator

1994-03-15

2000-09-05

Griffin, Walter D.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 38, 502 41, 502 42, 502 46, 502 48, 502 49, 502514, 208113, B01J 2990

Patent

active

061142654

ABSTRACT:
Disclosed is a process for controlling combustion in a fluid catalytic cracking regenerator. More specifically, afterburning which occurs during the combustion process is controlled by adjusting oxygen concentration in at least one of two combustion streams which is injected into a fluid catalytic cracking regenerator. Preferably, the combustion streams used in the invention are asymmetrically injected into a dense phase catalyst bed within the regenerator.

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