Importance

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Abstract

A combined cycle power plant includes a gasifier for converting biomass material, low grade coal, etc., to combustible gases and producing heat, an internal combustion engine coupled to a generator for burning the combustible gases and driving said generator which produces power. The internal combustion engine rejects heat and produces hot exhaust gases. A vaporizer containing an organic fluid is responsive to the hot exhaust gases for vaporizing the organic fluid and producing vaporized organic fluid which is supplied to an organic vapor turbine coupled to a generator. The turbine expands the vaporized organic fluid driving the generator and producing expanded vaporized organic fluid which is condensed in a condenser. The condensate produced by the condenser is returned to the vaporizer. At least some of the heat rejected by the internal combustion engine is transferred the condensate.

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First Claim