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Combustion in a multiburner furnace with selective flow of oxygen

United States Patent

March 2, 2004
View the Complete Patent at the US Patent & Trademark Office
Improved operational characteristics such as improved fuel efficiency, reduction of NOx formation, reduction of the amount of unburned carbon in the ash, and lessened tendency to corrosion at the tube wall, in a multi-burner furnace are obtained by reducing the flow rate of combustion air to the burners and selectively individually feeding oxidant to only some of the burners.
Bool, III; Lawrence E. (East Aurora, NY), Kobayashi; Hisashi (Putnam Valley, NY)
Praxair Technology, Inc. (Danbury, CT)
10/ 194,601
July 11, 2002
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.