Process for the separation of hf via azeotropic distillation

Details Process for the separation of hf via azeotropic distillation Process for the separation of hf via azeotropic distillation

B - Operations, Transporting

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202/65, 260/658.

B01D 3/36 (2006.01) C01B 7/19 (2006.01) C07C 17/38 (2006.01) C07C 19/08 (2006.01)

Patent

CA 1325996

- 16 - ABSTRACT OF THE DISCLOSURE Process for the separation of hydrogen fluoride (HF), 2,2-dichloro-1,1,1-trifluoroethane (FC-123), and/or 2-chloro-1,1,1,2-tetrafluoroethane (FC-124) from mixtures comprising them by controlling the molar ratio of HF/FC-123 in the mixture prior to subjecting the mixture to azeotropic distillation.

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