Process for the separation of hydrogen fluoride and of difluorom

Details Process for the separation of hydrogen fluoride and of difluorom Process for the separation of hydrogen fluoride and of difluorom

1995-02-27

1998-01-13

Manoharan, Virginia

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 77, 203 78, 203 80, 423483, 423488, 570178, B01D 336, C07C 1738

Patent

active

057074976

ABSTRACT:
A process for the separation of hydrogen fluoride (HF) and of difluoromethane (F32) by fractional distillation and/or condensation, in at least one stage, including in at least one stage obtaining a stream whose HF and F32 contents correspond.

REFERENCES:
patent: 5196616 (1993-03-01), Lee et al.

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