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Comparative Techno-Economic Analysis of Carbon Capture Processes: Pre-Combustion, Post-Combustion, and Oxy-Fuel Combustion Operations

Kheirinik, M.
; 
Ahmed, Shaab
; 
Publication Date
2021-12-08
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Keywords
Carbon capture, CCS, Post-combustion, Pre-combustion, Oxy-fuel combustion, Cost evaluation, Total investments, Taylor scoring method, Aspen HYSYS, Power plants, Levelised cost of electricity
Rights
(c) 2021 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0/)
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Yes
Open Access status
Gold
Accepted for publication
2021-12-02
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Engineering and Digital Technology Publications
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Abstract
Evaluation of economic aspects is one of the main milestones that affect taking rapid actions in dealing with GHGs mitigation; in particular, avoiding CO2 emissions from large source points, such as power plants. In the present study, three kinds of capturing solutions for coal power plants as the most common source of electricity generation have been studied from technical and economic standpoints. Aspen HYSYS (ver.11) has been used to simulate the overall processes, calculate the battery limit, and assess required equipment. The Taylor scoring method has been utilized to calculate the costliness indexes, assessing the capital and investment costs of a 230 MW power plant using anthracite coal with and without post-combustion, pre-combustion, and oxy-fuel combustion CO2 capture technologies. Comparing the costs and the levelized cost of electricity, it was found that pre-combustion is more costly, to the extent that the total investment for it is approximately 1.6 times higher than the oxy-fuel process. Finally, post-combustion, in terms of maturity and cost-effectiveness, seems to be more attractive, since the capital cost and indirect costs are less. Most importantly, this can be applied to the existing plants without major disruption to the current operation of the plants.
URI
http://hdl.handle.net/10454/18712
Version
Published version
Citation
Kheirinik M, Ahmed S and Rahmanian N (2021) Comparative Techno-Economic Analysis of Carbon Capture Processes: Pre-Combustion, Post-Combustion, and Oxy-Fuel Combustion Operations. Sustainability. 13(24): 13567.
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https://doi.org/10.3390/su132413567
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Article
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