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Methods and systems for producing syngas

United States Patent

8,366,902
February 5, 2013
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Methods and systems are provided for producing syngas utilizing heat from thermochemical conversion of a carbonaceous fuel to support decomposition of at least one of water and carbon dioxide using one or more solid-oxide electrolysis cells. Simultaneous decomposition of carbon dioxide and water or steam by one or more solid-oxide electrolysis cells may be employed to produce hydrogen and carbon monoxide. A portion of oxygen produced from at least one of water and carbon dioxide using one or more solid-oxide electrolysis cells is fed at a controlled flow rate in a gasifier or combustor to oxidize the carbonaceous fuel to control the carbon dioxide to carbon monoxide ratio produced.
Hawkes; Grant L. (Sugar City, ID), O'Brien; James E. (Idaho Falls, ID), Stoots; Carl M. (Idaho Falls, ID), Herring; J. Stephen (Idaho Falls, ID), McKellar; Michael G. (Idaho Falls, ID), Wood; Richard A. (Idaho Falls, ID), Carrington; Robert A. (Idaho Falls, ID), Boardman; Richard D. (Idaho Falls, ID)
Battelle Energy Alliance, LLC (Idaho Falls, ID)
12/ 054,269
20090235587
March 24, 2008
GOVERNMENT RIGHTS This invention was made with government support under Contract Number DE-AC07-05ID14517 awarded by the United States Department of Energy. The government has certain rights in the invention.