[EN] PROCESSES FOR SEPARATION OF 2,3,3,3-TETRAFLUOROPROPENE FROM HYDROGEN FLUORIDE BY AZEOTROPIC DISTILLATION<br/>[FR] PROCÉDÉS DE SÉPARATION DE 2,3,3,3-TÉTRAFLUOROPROPÈNE DE FLUORURE D'HYDROGÈNE PAR DISTILLATION AZÉOTROPIQUE
申请人:DU PONT
公开号:WO2009105512A1
公开(公告)日:2009-08-27
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.
本文披露了使用共沸蒸馏分离2,3,3,3-四氟丙烯和氢氟酸的过程。此外,还披露了通过共沸蒸馏分离2,3,3,3-四氟丙烯、氢氟酸和1,1,1,2,3-五氟丙烷(HFC-245eb)和/或1,1,1,2,2-五氟丙烷(HFC-245cb)混合物的过程。