CO.sub.2 removable from fluorocarbons by semipermeable membrane

Details CO.sub.2 removable from fluorocarbons by semipermeable membrane CO.sub.2 removable from fluorocarbons by semipermeable membrane

1998-05-01

2000-12-05

Spitzer, Robert H.

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

95 45, B01D 5322

Patent

active

061560979

ABSTRACT:
A process for removing carbon dioxide from a fluorocarbon carbon dioxide mixture in which the fluorocarbon carbon dioxide mixture is contacted with a semipermeable polyimide membrane to form at least one exit stream having an increased concentration of carbon dioxide and at least one exit stream having a reduced concentration of carbon dioxide.

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