C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 17/383 (2006.01) C07C 17/386 (2006.01) C07C 21/18 (2006.01)
Patent
CA 2713086
Disclosed herein are pro-cesses for separation of 2,3,3,3-tetrafluoro-propene and hydrogen fluoride using azeotropic distillation. Additionally, dis-closed are processes for separating mix-tures of 2,3,3,3-tetrafluoropropene, hydro-gen fluoride and 1,1,1,2,3-pentafluoro-propane (HFC-245eb) and/or 1,1,1,2,2--pentafluoropropane (HFC-245cb) by azeotropic distillation.
L'invention concerne des procédés de séparation de 2,3,3,3-tétrafluoropropène de fluorure d'hydrogène par distillation azéotropique. L'invention concerne également des procédés de séparation de 2,3,3,3-tétrafluoropropène, de fluorure d'hydrogène et de 1,1,1,2,3-pentafluoropropane (HFC-245eb) et/ou de 1,1,1,2,2-pentafluoropropane (HFC-245cb) par distillation azéotropique.
E.i. Du Pont de Nemours And Company
Torys Llp
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