In this paper, the issues and challenges of capturing CO2 from a pulverized coal (PC) power plant have been summarized and assessed and a hybrid power generation configuration is developed, which features a gas-turbine cogeneration unit supplying steam for stripping CO2, thereby decoupling the CO2 capture from the steam cycle of PC units. The hybrid power generation cases are modeled by using GTProTM and SteamProTM. The performance of the hybrid power plant is compared with the base case that uses extraction from the steam cycle. Retrofitting existing power plants by this hybrid concept is also assessed; performance comparison and economic analysis indicate that this kind of retrofitting is attractive to utilities with PC power generation fleet.
Hybrid Power Generation Plant for CO2 Capture
Contributed by the Industrial and Cogeneration Committee of ASME for publication in the JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received February 16, 2013; final manuscript received November 22, 2013; published online January 2, 2014. Editor: David Wisler.
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Deng, S., Hynes, R., and Drover, B. (January 2, 2014). "Hybrid Power Generation Plant for CO2 Capture." ASME. J. Eng. Gas Turbines Power. May 2014; 136(5): 052001. https://doi.org/10.1115/1.4026116
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