1984•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access
Assessment of options for a 20- to 30-MW(e) lignite-fueled cogeneration power plant. Final report
G.J. Arvay, J.A. de la Mora, J.R. Grisso, H.W. Klumpe, Margaret M. Lobnitz, Antonio Musso, T.R. Roszkowski, Richard E. Warner
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Abstract
Plant designs, performance data, cost estimates and bus-bar power costs were developed for four configurations of small-scale cogeneration plants using lignite as fuel. The configurations evaluated consisted of lignite gasification combined with phosphoric acid fuel cells, lignite gasification with a combustion turbine generator, a direct-fired atmospheric fluidized bed boiler plant, and a direct-fired conventional boiler plant. The plants were sized on the basis of the same lignite feed of 740 TPD and production of 100,000 lbs per hr of process steam for industrial use. Results in terms of net electrical power output and bus-bar power costs in constant 1983 dollars were: for the gasification/fuel cell plant, 32.5MW and $0.068 kWh; for the gasification/combustion turbine plant, 20.1MW and $0.081 per kWh; for the fluidized bed boiler plant, 20.6MW and $0.074 per kWh; and for the conventional direct-fired boiler plant, 21.2MW and $0.066 per kWh.