Recovery of components making up a liquid mixture
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United States of America Patent
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Oct 30, 2012
Grant Date -
Apr 29, 2010
app pub date -
Oct 27, 2009
filing date -
Oct 27, 2008
priority date (Note) -
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Abstract
A process for recovering hexafluoropropylene and hexafluoropropylene oxide from a liquid mixture of these components is provided. The process includes, in a stripping stage, contacting the mixture with a gaseous stripping agent, thereby to strip hexafluoropropylene from the mixture. A gaseous product comprising hexafluoropropylene and gaseous stripping agent is withdrawn from the stripping stage, as is a liquid product comprising hexafluoropropylene oxide.
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