Solid Electrolyte ionic conductor reactor design
AssigneePraxair Technology, Inc.
InventorsChristian Friedrich Gottzmann, Ravi Prasad, Victor Emmanuel Bergsten, Nitin Ramesh Keskar, Bart Antonie van Hassel
Life of this patent
Estimating the term…
Abstract
An ion transport reactor and process for using same having at least one ion transport membrane with a retentate side and a permeate side, for extracting oxygen from a feed gas stream as it flows along the retentate side. A reactant gas stream is flowed along the permeate side of the ion transport tubes to react with the oxygen transported therethrough. Heat is transferred to a fluid stream flowing through the ion transport reactor while the temperature of the membrane is maintained within its operating range.
Claims22
A process for reacting a reactant gas stream with oxygen from a feed gas stream containing elemental oxygen and at least one other gas using an ion transport reactor including an ion transport membrane having a retentate side and a permeate side, said process comprising:
- (a) flowing the feed gas stream on the retentate side of the ion transport membrane;
- and
- (b) flowing the reactant gas stream on the permeate side of the ion transport membrane,
- wherein heat generated from the reactant gas stream reacting with the oxygen permeating through the ion transport membrane is transferred to the feed gas stream to heat the feed gas stream while maintaining the temperature of the ion transport membrane within the operation range of the ion transport membrane.
An ion transport reactor for separating a feed gas stream containing elemental oxygen and at least one other gas, said reactor comprising:
- at least one ion transport tube having a membrane capable of transporting oxygen ions, the ion transport membrane having a retentate side and a permeate side, for extracting oxygen from the feed gas stream as it flows along the retentate side;
- wherein a reactant gas stream is flowed along the permeate side of the ion transport tubes to react with the oxygen permeating therethrough;
- wherein at least a portion of the heat from the heat of reaction generated by operation of the ion transport tube is transferred to a fluid stream flowing through the ion transport reactor;
- and
- wherein at least one of the heat transfer areas and heat transfer coefficients vary inversely with the difference in temperature between the feed gas stream and the ion transport membrane.
Dependencies are inferred from the claim text.