Recovery of Hydrofluoroalkanes
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United States of America Patent
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Issued Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
Abandoned
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Abstract
A mixture of air and one or more halogenated alkanes is directed to a gas separation membrane where it is separated into an oxygen, nitrogen, and moisture-enriched and halogenated alkane-depleted permeate and a halogenated alkane-enriched and oxygen, nitrogen, and moisture-depleted retentate. The retentate is directed to a cryogenic condenser where an amount of halogenated alkane is condensed therein.
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