Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1990-02-26
1992-01-07
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
55270, 55222, 55233, 552577, 7386481, B01D 4700
Patent
active
050787586
ABSTRACT:
Method and apparatuses are disclosed for removing fine-grained particles from a gaseous sample stream from fluidized catalytic cracking regeneration unit. In one method, the fine-grained particles are wetted with condensate in a sampling system, then the wetted fine-grained particles are separated from the gaseous stream in a wetted packed column in the sampling system. The separated gaseous sample stream is cooled to remove condensible gases then is reheated. The separated fine-grained particles are kept wetted in the sampling system to prevent fouling of the sampling system, then stream is used as a motive force to return the wetted fine-grained particles to the fluidized catalytic cracking regeneration unit. The stream also is used as a drying agent to at least partially dry the wetted fine-grained particles outside of the sampling system and as a dilution agent to help prevent corrosion.
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Gusciora Paul H.
Isherwood David E.
Maller Samuel G.
Chevron Research and Technology Company
Keeling Edward J.
Nozick Bernard
Schaal Ernest A.
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