Exergy analysis of alkanolamine-based CO2 removal unit with AspenPlus

F.H. Geuzebroek, L.H.J.M. Schneiders, G.J.C. Kraaijveld and P.H.M. Feron

Energy, 2004, vol. 29, issue 9, 1241-1248

Abstract: An exergy analysis is conducted of a gas-fired CO2 capture process based on monoethanolamine (MEA) absorption technology. It is shown that with a combination of AspenPlus and ExerCom, it is possible to get a reasonable result for the exergy loss per unit operation. To enable this, certain modifications were made in the thermodynamics of the reaction of CO2 with MEA. In this reaction, ionic species are formed and an approach enabling the use of electrolytes is necessary. The results show that the major sources of exergy loss are the absorber, the flasher and the flue gas blower.

Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:29:y:2004:i:9:p:1241-1248

DOI: 10.1016/j.energy.2004.03.083

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