发明名称 |
Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation |
摘要 |
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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申请公布号 |
US8273928(B2) |
申请公布日期 |
2012.09.25 |
申请号 |
US20070844403 |
申请日期 |
2007.08.24 |
申请人 |
KNAPP JEFFREY P.;MAHLER BARRY ASHER;TOTON DONALD J.;E I DU PONT DE NEMOURS AND COMPANY |
发明人 |
KNAPP JEFFREY P.;MAHLER BARRY ASHER;TOTON DONALD J. |
分类号 |
C07C21/18 |
主分类号 |
C07C21/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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