Cryogenic system for processing a hydrocarbon gas stream
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United States of America Patent
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May 10, 1994
Grant Date -
N/A
app pub date -
Oct 30, 1992
filing date -
Oct 30, 1992
priority date (Note) -
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Abstract
A cryogenic system for recovering a gas product stream and a liquid product stream from a hydrocarbon gas stream is provided which operates at process temperature of -50.degree. F. or less. A portion of a refrigerating liquid stream and a cooled liquid stream produced during operation of the cryogenic system are passed heat exchange relationship with an inlet vapor stream and define a partially closed refrigeration loop. The partially closed refrigeration loop permits the low process temperatures to be achieved.
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