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.
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 代理人
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