Process and device for treating gaseous effluents issued from a

Details Process and device for treating gaseous effluents issued from a Process and device for treating gaseous effluents issued from a

1994-01-27

1995-06-13

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422173, 422144, 422145, 422146, 422147, 110252, 110236, B01D 5334, B01J 808

Patent

active

054240433

ABSTRACT:
A device for treating gaseous effluents from a catalytic cracking unit comprises at least one first stage for regenerating a catalyst used in a catalytic cracking process wherein the gaseous effluents issuing from a cracking catalyst regenerator are treated in a heat recovery unit (CR) including a treating chamber having an entrained bed. The absorbent introduced in this chamber has a "fine" grain size ranging between 0.1 and 100 .mu.m and can be regenerated in the device downstream from heat recovery unit (CR).

REFERENCES:
patent: 3176634 (1965-06-01), Martin
patent: 3356075 (1967-12-01), Livingston
patent: 4311579 (1982-01-01), Bartholic
patent: 4547351 (1985-10-01), Im et al.
patent: 4614726 (1986-09-01), Walters et al.
patent: 4708775 (1987-11-01), McGregor et al.
patent: 4738829 (1988-04-01), Krug
patent: 5064621 (1991-11-01), Uyama

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