Mixed matrix membrane for separation of gases

Details Mixed matrix membrane for separation of gases Mixed matrix membrane for separation of gases

B - Operations, Transporting

01

D

B01D 69/14 (2006.01) B01D 53/22 (2006.01) B01D 71/70 (2006.01)

Patent

CA 2465791

An improved mixed matrix membrane for the separation of gases comprises polyethylene glycol, silicone rubber and activated carbon on a porous support. The membrane preferably also comprises a carbonate such as potassium carbonate. The gases which may be separated by the membrane include mixtures of oxygen and nitrogen and mixtures of carbon dioxide and nitrogen. Membranes of this design may be used in processing natural gas or other gases.

L'invention concerne une membrane matricielle mixte améliorée destinée à la séparation de gaz. Cette membrane comprend du polyéthylène glycol, du caoutchouc de silicone et du carbone activé sur un support poreux. Cette membrane comprend de préférence également un carbonate tel qu'un carbonate de potassium. Les gaz qui peuvent être séparés à l'aide de cette membrane comprennent des mélanges d'oxygène et d'azote ainsi que des mélanges de dioxyde de carbone et d'azote. Des membranes de cette conception peuvent être utilisées dans le traitement du gaz naturel ou d'autres gaz.

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