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A parametric study of CO2 capture from gas-fired power plants using monoethanolamine (MEA)
File(s)
Author(s)
Soltani, SM
Fennell, PS
Mac Dowell, N
Type
Journal Article
Abstract
The value of dispatchable, low carbon thermal power plants as a complement to intermittent renewable energy sources is becoming increasingly recognised. In this study, we evaluate the performance of post-combustion CO2 capture using monoethanolamine (MEA) retrofitted to a 600 MW CCGT, with and without exhaust gas recycle (EGR). Our results suggest that the EGR ratio plays a primary role in the regeneration energy penalty of the process. We contrast a gas-CCS process with its coal counterpart and show that whilst CCGTs have a greater energy penalty per tonne of CO2 captured than coal (i.e., GJtCO2Gas>GJtCO2Coal), owing to the high thermal efficiencies of CCGTs relative to coal-fired power plants, the energy penalty per MWh of low carbon energy generated is lower for gas than it is for coal (i.e., GJMWhGas<GJMWhCoal), making CCGT-CCS an attractive choice for low carbon electricity generation.
Date Issued
2017-06-21
Date Acceptance
2017-06-04
Citation
International Journal of Greenhouse Gas Control, 2017, 63, pp.321-328
URI
DOI
ISSN
1750-5836
Publisher
Elsevier
Start Page
321
End Page
328
Journal / Book Title
International Journal of Greenhouse Gas Control
Volume
63
Copyright Statement
© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor
Engineering & Physical Science Research Council (EPSRC)
Grant Number
EP/M015351/1
Subjects
Science & Technology
Technology
GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
Energy & Fuels
Engineering, Environmental
Science & Technology - Other Topics
Engineering
CO2 capture
Post-combustion capture
Aspen Plus
CCGT
Gas CCS
Gas-fired power plant
MULTICOMPONENT SEPARATION PROCESSES
NONEQUILIBRIUM STAGE MODEL
PILOT-PLANT
POSTCOMBUSTION CAPTURE
CHEMICAL ABSORPTION
CARBON CAPTURE
AQUEOUS MONOETHANOLAMINE
PART I.
PERFORMANCE
SOLVENTS
Publication Status
Published