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Gas separation device based on electrical swing adsorption

United States Patent

5,972,077
October 26, 1999
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method and apparatus for separating one constituent, especially carbon dioxide, from a fluid mixture, such as natural gas. The fluid mixture flows through an adsorbent member having an affinity for molecules of the one constituent, the molecules being adsorbed on the adsorbent member. A voltage is applied to the adsorbent member, the voltage imparting a current flow which causes the molecules of the one constituent to be desorbed from the adsorbent member.
Judkins; Roddie R. (Knoxville, TN), Burchell; Timothy D. (Oak Ridge, TN)
Lockheed Martin Energy Research Corporation (Oak Ridge, TN)
09/ 084,256
February 20, 1998
This invention was made with Government support under contract DE-AC05-840R21400 to Martin Marietta Energy Systems, Inc. and the Government has certain rights in this invention.