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Comparison of Post-combustion CO2 Capture by Solutions of Ammonia and Organic Amines: Assessment Using Direct and Indirect Contactors

Abstract : Simulation results of the thermal power plant fed with pulverized coal (PC) including CO2 capture have been performed using the Aspen Plus software. The flue gases containing CO2 from post-combustion have been captured by ammonia and monoethanolamine solvents. Ammonia solvent has been used in two processes by direct contactor (without a membrane contactor) and by indirect contactor (membrane). A parametric study has been conducted to clarify the optimal conditions to capture CO2 by ammonia. The comparative study suggests that the use of ammonia as a solvent in chemical absorption is the most interesting process for the PC thermal power plant. The capture process by indirect contactor (membrane contactor) reduces efficiency decrease to only 6.3 points.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01299354
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Submitted on : Thursday, April 7, 2016 - 3:18:21 PM
Last modification on : Thursday, September 24, 2020 - 4:56:02 PM

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Carol Toro Molina, Chakib Bouallou. Comparison of Post-combustion CO2 Capture by Solutions of Ammonia and Organic Amines: Assessment Using Direct and Indirect Contactors. Energy Procedia, Elsevier, 2014, 63, pp.550-558. ⟨10.1016/j.egypro.2014.11.060⟩. ⟨hal-01299354⟩

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