The environmental aspects of the conceptual base-load, combined gas-steam turbine power plants designed by General Electric and Westinghouse in Phase II of the Energy Conversion Alternatives Study (ECAS) were analyzed. Each contractor had developed a combined cycle design which incorporated an integrated coal gasifier producing low-heat-content fuel gas, as well as a design fueled by coal-derived liquid purchased from an off-site producer. The conceptual power plants each produced some 60 to 900 MWe (gross), employing gas turbine inlet temperatures of 1600–1900 K. Equilibrium combustion gas properties were calculated for each system, and kinetic calculations were made for NOx production. The systems burning gaseous fuel were estimated to meet NOx emission standards. Neither design which used liquid fuel was estimated to meet NOx standards because of the high nitrogen content of the coal-derived synthetic liquid fuel.
Environmental Assessment of Gas Turbine/Steam Turbine Combined Cycles
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Kalfadelis, CD, Shaw, H, Folsom, BA, & Corley, TL. "Environmental Assessment of Gas Turbine/Steam Turbine Combined Cycles." Proceedings of the ASME 1980 International Gas Turbine Conference and Products Show. Volume 1A: General. New Orleans, Louisiana, USA. March 10–13, 1980. V01AT01A011. ASME. https://doi.org/10.1115/80-GT-11
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