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

1988-08-01

1990-07-31

Manoharan, Virginia

Distillation: processes, separatory

With measuring, testing or inspecting

203 91, 203DIG18, 570168, 570178, B01D 300, C07C 1700

Patent

active

049448463

ABSTRACT:
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 containing 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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