Power recovery in gas concentration units
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United States of America Patent
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-
Feb 14, 1984
Grant Date -
N/A
app pub date -
Sep 30, 1982
filing date -
Sep 30, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An absorption process is disclosed for the recovery of normally liquid hydrocarbons from a gas stream. The process is useful in recovering hydrocarbons from the gas stream discharged by the main fractionation column of a fluidized catalytic cracking unit. The feed gas is compressed and passed through an absorption zone to produce a high pressure lean gas which is depressurized in a power recovery turbine. The turbine compresses air used within the catalyst regeneration zone of the fluidized catalytic cracking unit.
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