An update technology for integrated biomass gasification combined cycle power plant |
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Authors: | Paritosh Bhattacharya Suman Dey |
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Affiliation: | 1. NIT Agartala, India and TCEL Bangalore, Bangalore, India
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Abstract: | A discussion is presented on the technical analysis of a 6.4 MWe integrated biomass gasification combined cycle (IBGCC) plant. It features three numbers of downdraft biomass gasifier systems with suitable gas clean-up trains, three numbers of internal combustion (IC) producer gas engines for producing 5.85 MW electrical power in open cycle and 550 kW power in a bottoming cycle using waste heat. Comparing with IC gas engine single cycle systems, this technology route increases overall system efficiency of the power plant, which in turn improves plant economics. Estimated generation cost of electricity indicates that mega-watt scale IBGCC power plants can contribute to good economies of scale in India. This paper also highlight’s the possibility of activated carbon generation from the char, a byproduct of gasification process, and use of engine’s jacket water heat to generate chilled water through VAM for gas conditioning. |
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