Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation
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United States of America Patent
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Sep 25, 2012
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app pub date -
Aug 24, 2007
filing date -
Aug 24, 2006
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Abstract
The present disclosure relates to a process for separating a fluoroolefin from a mixture comprising hydrogen fluoride and fluoroolefin, comprising azeotropic distillation both with and without an entrainer. In particular are disclosed processes for separating any of HFC-1225ye, HFC-1234ze, HFC-1234yf or HFC-1243zf from HF.
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