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Oxygen transport membrane based advanced power cycle with low pressure synthesis gas slip stream

United States Patent

September 27, 2016
View the Complete Patent at the US Patent & Trademark Office
A method and system for generating electrical power in which a high pressure synthesis gas stream generated in a gasifier is partially oxidized in an oxygen transport membrane based reactor, expanded and thereafter, is combusted in an oxygen transport membrane based boiler. A low pressure synthesis gas slip stream is split off downstream of the expanders and used as the source of fuel in the oxygen transport membrane based partial oxidation reactors to allow the oxygen transport membrane to operate at low fuel pressures with high fuel utilization. The combustion within the boiler generates heat to raise steam to in turn generate electricity by a generator coupled to a steam turbine. The resultant flue gas can be purified to produce a carbon dioxide product.
Kromer; Brian R. (Buffalo, NY), Litwin; Michael M. (Cheektowaga, NY), Kelly; Sean M. (Pittsford, NY)
14/ 138,619
December 23, 2013
U.S. GOVERNMENT RIGHTS This invention was made with Government support under Cooperative Agreement No. DE-FC26-07NT43088, awarded by the United States Department of Energy. The Government has certain rights in this invention.