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Low NOx combustion using cogenerated oxygen and nitrogen streams

United States Patent

February 3, 2009
View the Complete Patent at the US Patent & Trademark Office
Combustion of hydrocarbon fuel is achieved with less formation of NOx by feeding the fuel into a slightly oxygen-enriched atmosphere, and separating air into oxygen-rich and nitrogen-rich streams which are fed separately into the combustion device.
Kobayashi; Hisashi (Putnam Valley, NY), Bool; Lawrence E. (East Aurora, NY), Snyder; William J. (Ossining, NY)
Praxair Technology, Inc. (Danbury, CT)
10/ 662,372
September 16, 2003
This invention was made with United States Government support under Cooperative Agreement No. DE-FC26-00NT40756 awarded by the Department of Energy. The United States Government has certain rights in the invention.