An experimental investigation was carried out at DOE NETL on the humid air combustion process using liquid fuel to determine the effects of humidity on pollutant emissions and flame stability. Tests were conducted at pressures of up to 100 psia (690 kPa), and a typical inlet air temperature of (733 K). The emissions and RMS pressures were documented for a relatively wide range of flame temperature from (1610–1970 K) with and without added humidity. The results show more than 90% reduction of through 10% humidity addition to the compressed air compared with the dry case at the same flame temperature. The substantial reduction of is due to a shift in the chemical mechanisms and cannot be explained by flame temperature reduction due to added moisture since the comparison was made for the same flame temperature.
Humid Air NOx Reduction Effect on Liquid Fuel Combustion
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Amsterdam, The Netherlands, June 3–6, 2002; Paper No. 2002-GT-30163. Manuscript received by IGTI, December 2001, final revision, March 2002. Associate Editor: E. Benvenuti.
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Chen, A. G., Maloney, D. J., and Day, W. H. (March 2, 2004). "Humid Air NOx Reduction Effect on Liquid Fuel Combustion ." ASME. J. Eng. Gas Turbines Power. January 2004; 126(1): 69–74. https://doi.org/10.1115/1.1615255
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