B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 69/08 (2006.01) B01D 53/22 (2006.01) B01D 67/00 (2006.01) B01D 71/32 (2006.01)
Patent
CA 2118428
ABSTRACT OF THE DISCLOSURE A process for improving the permselectivity of polymeric gas separation membranes is disclosed. The process involves contacting the membrane with a fluorocarbon, such as fluorinated ethers, perferably perfluorinated compounds, or a solution of a fluorocarbon and a caulking agent. A process for separating one gas from a mixture of gases comprising bringing the gas mixture into contact with a gas separation membrane whereby one gas of the gas mixture permeates the membrane preferentially to at least one other gas of the gas mixture.
Borden Ladner Gervais Llp
L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Proced Es Geo
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