Formation and Control of Oxides of Nitrogen Emissions From Gas Turbine Combustion Systems

[+] Author and Article Information
P. P. Singh, W. E. Young

Westinghouse Research and Development Laboratory, Pittsburgh, Pa.

M. J. Ambrose

Westinghouse Small Steam and Gas Turbine Division, Lester, Pa.

J. Eng. Power 94(4), 271-278 (Oct 01, 1972) (8 pages) doi:10.1115/1.3445682 History: Received December 07, 1971; Online July 14, 2010


Results of an investigation into the levels of oxides of nitrogen in Westinghouse gas turbine exhausts are presented. Various methods of controlling the amounts of these emissions were considered. The oxides of nitrogen were reduced most effectively by lowering the maximum flame temperature. This was done by either leaning the primary zone of the combustor, by water injection in the primary zone, or by using vitiated combustion air. Reductions in NOx levels to 15 percent of original values were achieved.

Copyright © 1972 by ASME
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