Oxygen production process
AssigneeBP Corporation North America Inc.
InventorsTerry J. Mazanec, Thomas L. Cable
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Abstract
The invention relates to a process for the production of oxygen using novel membranes, formed from perovskitic or multi-phase structures, with a chemically active coating which demonstrate exceptionally high rates of fluid flux. The process uses membranes that are conductors of oxygen ions and electrons, which are substantially stable in air over the temperature range of 25° C. to the operating temperature of the membrane.
Claims20
A process for the production of oxygen, comprising contacting an oxygen containing fluid with at least one solid state membrane, wherein said solid state membrane comprises
- a structure of substantially perovskitic material and
- a porous, chemically active, electronically conductive coating selected from the group consisting of metals, metal oxides and combinations thereof.
A process for the production of oxygen, comprising contacting an oxygen containing fluid with at least one solid state membrane, wherein said solid state membrane comprises a structure of an intimate, gas-impervious, multi-phase mixture comprising from about 1 to about 75 parts by volume of the electronically-conductive phase and from about 25 to about 99 parts by volume of the product ion-conductive phase and a porous, chemically active, electronically conductive coating selected from the group consisting of metals, metal oxides and combinations thereof.
Dependencies are inferred from the claim text.