首页 > 资料下载 > W.A.行政区燃烧后二氧化碳捕获和封存项目最终环境影响报告书第二卷-附录W.A. Parish Post-Combustion CO2 Capture and Sequestration Projec
W.A.行政区燃烧后二氧化碳捕获和封存项目最终环境影响报告书第二卷-附录W.A. Parish Post-Combustion CO2 Capture and Sequestration Projec W.A.行政区燃烧后二氧化碳捕获和封存项目最终环境影响报告书第二卷-附录W.A. Parish Post-Combustion CO2 Capture and Sequestration Projec

W.A.行政区燃烧后二氧化碳捕获和封存项目最终环境影响报告书第二卷-附录W.A. Parish Post-Combustion CO2 Capture and Sequestration Projec

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  • 更新时间:2021-09-09
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The proposed capture system would be constructed on NRG’s 4,880-acre W.A. Parish Plant in rural Fort Bend County near the small town of Thompsons, Texas. The plant site includes four large power generating units fueled with pulverized coal, four smaller natural gas-fired units, and a 2,430-acre manmade lake used for cooling water. The proposed project would retrofit one of the coal-fueled units (Unit 8) with a post-combustion CO2 capture system, using space available on the plant site immediately adjacent to the unit. The CO2 capture system would use an advanced amine-based solvent technology. The project demonstration period may also include tests of other amine-based solvents. A new natural gas-fired cogeneration plant comprised of a combustion turbine with a heat recovery steam generator (CT/HRSG) would also be constructed as part of this project. The cogeneration plant would produce an estimated 80 MW equivalent of electric power which would be sufficient to drive the compressors and equipment of the capturesystem leaving excess power available for saleto the grid. The hot exhaust gases from the new combustion turbine would be used to produce steam in the HRSG, providing heat for the solvent regeneration process. NRG plans to proceed with construction of the natural gas-fired cogeneration plant without DOE cost sharing and would begin operation in 2013. The initial operation of the electric generating plant would provide peaking power for other NRG needs unrelated to the Parish PCCS Project. At a later date, possibly 2015, the electric generating plant would provide the power needed for the carbon capture facility.

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