A new semi-closed gas turbine cycle with CO2 separation

作者: D Fiaschi , G Manfrida

DOI: 10.1016/S0196-8904(99)00060-6

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摘要: Abstract In this work, a new Semi-Closed Gas Turbine Cycle (SCGT) configuration is presented, named Turbine/Regenerative Combined (SCGT/RCC). The SCGT/RCC an hybrid combination of the SCGT/CC and SCGT/RE cycle concepts, including both partial regeneration gas turbine coupling to bottoming steam by small-size Heat Recovery Steam Generator (HRSG). An energy exergy analysis carried out for several configurations operating conditions. A preliminary RHE size, CO 2 absorption potential related effects on performance at conditions investigating three possible plant operation modes. very interesting optimized (specific power exceeding 550 kJ/kg compressor inlet flow rate, efficiencies close 50% 80% removal). This promising solution that combines positive features semi-closed turbines, allowing drastic reduction size capital costs HRSG maintaining high values performance.

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