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Comparison in operating conditions of CO2 capture in a PC power

Abstract : Ammonia solution is a good solvent compared to monoethanolamine (MEA) and methyldiethanolamine (MDEA) because its reactivity and its low enthalpy of solution. In the idea of having a relevant comparison, this study compares the different processes in their optimal operating conditions. With respect to ammonia, the experimentally determined optimal conditions are: 3 wt%, 303 K, 1 atm. The purpose of this study is modelling CO2 capture from a pulverized coal (PC) fired power station and estimated power station efficiency when CO2 capture is integrated. A relevant comparison between ammonia solvent and conventional amines: MEA and MDEA are made. This study has allowed us to select the solvent that reduces the cost of CO2 capture in central power plants. The net electrical power of the central decreased with CO2 capture. It is from 555.6 MW without capture to 451.9 with NH3 capture, and 385.16 with MEA capture.
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Submitted on : Wednesday, February 8, 2017 - 3:56:29 PM
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Carole Toro-Molina, Chakib Bouallou. Comparison in operating conditions of CO2 capture in a PC power. 17th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction (PRES'14), Aug 2014, Prague, Czech Republic. ⟨hal-01458113⟩

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