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Combustion systems and power plants incorporating parallel carbon dioxide capture and sweep-based membrane separation units to remove carbon dioxide from combustion gases

United States Patent

8,034,168
October 11, 2011
View the Complete Patent at the US Patent & Trademark Office
Disclosed herein are combustion systems and power plants that incorporate sweep-based membrane separation units to remove carbon dioxide from combustion gases. In its most basic embodiment, the invention is a combustion system that includes three discrete units: a combustion unit, a carbon dioxide capture unit, and a sweep-based membrane separation unit. In a preferred embodiment, the invention is a power plant including a combustion unit, a power generation system, a carbon dioxide capture unit, and a sweep-based membrane separation unit. In both of these embodiments, the carbon dioxide capture unit and the sweep-based membrane separation unit are configured to be operated in parallel, by which we mean that each unit is adapted to receive exhaust gases from the combustion unit without such gases first passing through the other unit.
Wijmans; Johannes G. (Menlo Park, CA), Merkel; Timothy C (Menlo Park, CA), Baker; Richard W. (Palo Alto, CA)
Membrane Technology & Research, Inc (Menlo Park, CA)
13/ 092,489
20110200491
April 22, 2011
This invention was made in part with U.S. Government support under SBIR Award No. DE-NT-000-5312, awarded by the U.S. Department of Energy. The U.S. Government has certain rights in this invention.