Refrigeration – Processes – Circulating external gas
Patent
1994-04-01
1995-06-06
Capossela, Ronald C.
Refrigeration
Processes
Circulating external gas
62 28, F25J 302
Patent
active
054211670
ABSTRACT:
An enhanced method is disclosed for recovering olefins from a cracking furnace effluent stream in an olefins plant. In accordance with this method, a liquid hydrocarbon stream, preferably obtained from the compressor area drier liquids and/or from the deethanizer or depropanizer, is injected into the reaction effluent stream to condition the reaction effluent stream for enhanced condensation against propylene refrigeration. Also disclosed is an olefins plant utilizing liquid hydrocarbon injection and an improvement to existing olefins recovery process technology using liquid hydrocarbon injection for vapor stream conditioning.
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Capossela Ronald C.
The M. W. Kellogg Company
Ward John P.
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