Wet gas scrubbing process

Details Wet gas scrubbing process Wet gas scrubbing process

2007-07-24

2009-08-04

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Solid component

C423S243010, C423S243060, C423S243080

Reexamination Certificate

active

07569198

ABSTRACT:
The removal of particulates and acidic gases from the effluent from a fluid catalytic cracking process regenerator. The effluent is treated in two contacting stages with an effective amount of both a caustic solution as well as ammonia and the composition of the contacting solutions in the two stages is independently controlled.

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patent: 4600567 (1986-07-01), Reeder
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patent: 5403568 (1995-04-01), Stowe, Jr.
patent: 5405590 (1995-04-01), Macedo et al.
patent: 6001321 (1999-12-01), Okazoe et al.

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