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Cited 8 time in webofscience Cited 8 time in scopus
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Economic process design for separation of CO2 from the off-gas in ironmaking and steelmaking plants

Title
Economic process design for separation of CO2 from the off-gas in ironmaking and steelmaking plants
Authors
Kim, HLee, JLee, SLEE, IN BEUMPark, JHHan, J
POSTECH Authors
LEE, IN BEUM
Date Issued
Aug-2015
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
We develop an economic process design for separation of CO2 from the off-gas in ISMPs (iron and steel making plants). Based on the characteristics of the off-gas from which CO2 must be separated, we design two process configurations: PSA (pressure-swing adsorption) and MEA (monoethanolamine)-based chemical absorption. We also develop a simulation model of each process, and perform an economic evaluation of the configurations. Our technical performance analyses show that the CO2 recovery and purity are >90% in the both processes and that highly-concentrated combustible gas (CO and H-2) can be obtained as a byproduct. Our economic performance analyses show that the designed processes lead to cost-effective and competitive options ($62/t CO2 separated), compared to the CO2 separation processes used in power plants. Using the combustible gas as a fuel for the boiler of power cycle greatly reduces the cost of CO2 separation in ISMPs. (C) 2015 Elsevier Ltd. All rights reserved.
URI
http://oasis.postech.ac.kr/handle/2014.oak/35465
DOI
10.1016/J.ENERGY.2015.05.093
ISSN
0360-5442
Article Type
Article
Citation
ENERGY, vol. 88, page. 756 - 764, 2015-08
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 LEE, IN BEUM
Dept. of Chemical Enginrg
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