发明名称 AZEOTROPE COMPOSITIONS COMPRISING 3,3,3-TRIFLUOROPROPENE AND HYDROGEN FLUORIDE AND PROCESSES FOR SEPARATION THEREOF
摘要 Disclosed herein is an azeotrope or azeotrope-like composition comprising 3,3,3-trifluoropropene and hydrogen fluoride. Also disclosed herein are processes for separating 3,3,3-trifluoropropene and hydrogen fluoride by azeotropic distillation both with and without an added entrainer compound. Also disclosed herein are processes for separating 1,1,1,2-tetrafluoropropane and/or 1,1,1,3-tetrafluoropropane, and 3,3,3-trifluoropropene from hydrogen fluoride by azeotropic distillation both with and without an added entrainer.
申请公布号 EP2254851(A2) 申请公布日期 2010.12.01
申请号 EP20090711602 申请日期 2009.02.19
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 KNAPP, JEFFREY, P.
分类号 C07C17/383;C01B7/19;C07C17/38;C07C17/386;C07C21/18 主分类号 C07C17/383
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