Multicriterial analysis of post-combustion carbon dioxide capture using alkanolamines
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Author list: Padurean A, Cormos CC, Cormos AM, Agachi PS
Publisher: Elsevier
Place: OXFORD
Publication year: 2011
Journal: International Journal of Greenhouse Gas Control (1750-5836)
Journal acronym: INT J GREENH GAS CON
Volume number: 5
Issue number: 4
Start page: 676
End page: 685
Number of pages: 10
ISSN: 1750-5836
Languages: English-Great Britain (EN-GB)
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Abstract
The most promising technology for carbon dioxide capture from coal and natural gas fired power plants at large scale applications is based on post-combustion method using gas-liquid absorption. The paper evaluates carbon dioxide absorption, at low partial pressures, from flue gases by post-combustion capture using aqueous solutions of various alkanolamines: monoethanolamine (MEA), diethanolamine (DEA), methyldiethanolamine (MDEA), 2-amino-2methyl-l-propanol (AMP) and their corresponding mixtures. At a constant capture rate of about 90%, the performance of these aqueous alkanolamine solutions is compared in terms of solvent loading and overall energy consumption.The objective of the present paper is to assess using a multicriterial analysis (e.g. energy consumption, environmental and operational criteria) the carbon dioxide capture using the above alkanolamines and to investigate the effect of using alkanolamine mixtures as solvent on the gas treatment process. The evaluation was based on Aspen Plus (R) simulations. As illustrative example, the case of an IGCC coal-fired power plant generating 375-450 MWe net electricity with and without post-combustion capture was presented in details. (C) 2011 Elsevier Ltd. All rights reserved.
Keywords
Alkanolamines, Carbon Capture and Storage (CCS), IGCC, Multicriterial analysis, post-combustion capture
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