Reduction of emissions from FCC regenerators

Details Reduction of emissions from FCC regenerators Reduction of emissions from FCC regenerators

1997-09-05

1999-06-01

Beck, Shrive

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

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 39, 502 41, 502 42, 502 52, 208113, 208120, B01J 2034

Patent

active

059088044

ABSTRACT:
Coke is burned in the regenerator vessel of an FCC complex with a combustion medium consisting of a diluent gas, such as air, enriched with oxygen, The regenerator is operated in partial combustion mode and excess oxygen is introduced into the combustion zone of the regenerator. Emission of nitrogen oxides to the atmosphere is reduced.

REFERENCES:
patent: 2985584 (1961-05-01), Rabo et al.
patent: 4443551 (1984-04-01), Lionetti et al.
patent: 4542114 (1985-09-01), Hegarty
Avidan et al. "Development of Catalytic Cracking Technology. A Lesson in Chemical Reactor Design." Ind. Eng. Chem. Res. (1990) 29, 931-942. (Month not available).

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