发明名称 PROCESSES FOR SEPARATION OF 2,3,3,3-TETRAFLUOROPROPENE FROM HYDROGEN FLUORIDE BY AZEOTROPIC DISTILLATION
摘要 Disclosed herein are processes for separation of 2,3,3,3-tetrafluoropropene and hydrogen fluoride using azeotropic distillation. Additionally, disclosed are processes for separating mixtures of 2,3,3,3-tetrafluoropropene, hydrogen fluoride and 1,1,1,2,3-pentafluoropropane (HFC-245eb) and/or 1,1,1,2,2-pentafluoropropane (HFC-245cb) by azeotropic distillation.
申请公布号 EP2247561(B1) 申请公布日期 2014.03.26
申请号 EP20090713183 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;C07C17/38;C07C17/386;C07C21/18 主分类号 C07C17/383
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