Membrane systems containing an oxygen transport membrane and...

B - Operations – Transporting – 01 – D

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B01D 71/02 (2006.01) B01D 53/22 (2006.01) B01J 8/00 (2006.01) B01J 12/00 (2006.01) B01J 19/24 (2006.01) C01B 3/38 (2006.01) C01B 13/02 (2006.01)

Patent

CA 2485608

An apparatus for separating oxygen from an oxygen-containing gas and facilitating a chemical reaction with the separated oxygen includes a mixed conducting membrane, a porous body, and a material for catalyzing the reaction. The mixed conducting membrane has respective oxidation and reduction surfaces and is made of a non-porous, gas-impermeable, solid material capable of simultaneously conducting oxygen ions and electrons. At least the membrane and the catalyzing material are non-reactive with each other or are physically separated from each other during oxygen separation and the chemical reaction. The apparatus can be embodied by tubes, and a plurality of such tubes can form part of a reaction vessel in which various chemical reactions can occur benefiting from the apparatus design.

L'invention concerne un appareil de séparation d'oxygène d'un gaz contenant de l'oxygène, et facilitant une réaction chimique avec l'oxygène séparé, comprenant une membrane conductrice mélangée, un corps poreux et un matériau de catalyse de la réaction. La membrane conductrice mélangée présente des surfaces respectives d'oxydation et de réduction, et est faite d'un matériau solide non poreux et imperméable aux gaz, pouvant conduire simultanément des ions et des électrons conducteurs d'oxygène. La membrane et le matériau catalyseur ne sont pas, au moins, réactifs l'un par rapport à l'autre, ou sont physiquement séparés l'un de l'autre au cours de la séparation de l'oxygène et de la réaction chimique. L'appareil peut se présenter sous forme de tubes, et une pluralité desdits tubes peuvent faire partie d'un récipient de réaction dans lequel diverses réactions chimiques peuvent se produire, tirant profit de la configuration de l'appareil.

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