Polyelectrolyte membranes for the separation of acid gases

Details Polyelectrolyte membranes for the separation of acid gases Polyelectrolyte membranes for the separation of acid gases

B - Operations, Transporting

01

D

B01D 53/22 (2006.01) B01D 69/12 (2006.01) B01D 71/82 (2006.01)

Patent

CA 2119666

- 23 - ABSTRACT Acid gases are separated from a gas stream by bringing said gas stream into contact with a multilayer composite membrane comprising a nonselective polymeric support layer and an active separating layer com- prising a polyelectrolyte polymer which contains cationic groups which are electrostatically associated with anions for which the pKa of the conjugate acid is greater than 3.

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