Process for separating hydrogen fluoride from fluorocarbons

Details Process for separating hydrogen fluoride from fluorocarbons Process for separating hydrogen fluoride from fluorocarbons

1997-11-20

1999-07-06

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

F25J 100

Patent

active

059184817

ABSTRACT:
The invention provides a method for separating fluorocarbons from mixtures of fluorocarbon and hydrogen fluoride. In particular, the invention provides a method for separating fluorocarbons, such as pentafluoropropane, from azeotropic mixtures of the fluorocarbon and hydrogen fluoride using compositional variations with pressure.

REFERENCES:
patent: 4411676 (1983-10-01), Tedder
patent: 4759786 (1988-07-01), Atkinson et al.
patent: 4897098 (1990-01-01), Pate et al.
patent: 5346595 (1994-09-01), Clemmer
patent: 5396000 (1995-03-01), Nappa
patent: 5574192 (1996-11-01), VanDerPuy
patent: 5616819 (1997-04-01), Boyce

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