Method for providing oxygen in gas process

Details Method for providing oxygen in gas process Method for providing oxygen in gas process

C - Chemistry, Metallurgy

01

B

C01B 13/02 (2006.01) B01D 53/04 (2006.01) C01B 3/36 (2006.01) C01B 3/38 (2006.01)

Patent

CA 2261771

A process for providing oxygen to a feed gas wherein the oxygen is first absorbed from an oxygen containing gas (e.g. air) and then desorbed into the feed gas (e.g. natural gas). The oxygen is adsorbed from air by passing the air in contact with an oxygen-sorbent material (e.g. a solid-state, lithium cyanocobaltate) until the sorbent-material is substantially saturated after which the feed gas is passed in contact with the sorbent material to desorb the oxygen into the feed gas.

Cette invention concerne un procédé d'apport d'oxygène à un gaz d'alimentation, dans lequel l'oxygène est tout d'abord absorbé à partir d'un gaz contenant de l'oxygène (par exemple l'air) puis désorbé au sein du gaz d'alimentation (par exemple du gaz naturel). On provoque l'adsorption d'oxygène à partir de l'air en mettant l'air en contact avec une matière d'absorption de l'oxygène (par exemple, un cyanocobaltate de lithium, semi-conducteur) jusqu'à ce que la matière d'absorption soit sensiblement saturée, puis on met le gaz d'alimentation en contact avec la matière d'absorption de façon à provoquer la désorption de l'oxygène dans le gaz d'alimentation.

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