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Article

Life Cycle Assessment of SEWGS Technology Applied to Integrated Steel Plants

1
Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 11 Arany Janos, RO 4000-28 Cluj-Napoca, Romania
2
Politecnico di Milano, Dipartimento di Energia, Via Lambruschini 4, 20156 Milano, Italy
3
ECN part of TNO, Netherlands Organisation for Applied Scientific Research (TNO), Sustainable Process Technology, Westerduinweg 3, 1755 LE Petten, The Netherlands
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(7), 1825; https://doi.org/10.3390/su11071825
Received: 8 March 2019 / Revised: 19 March 2019 / Accepted: 22 March 2019 / Published: 27 March 2019
(This article belongs to the Special Issue Sustainability Assessment of Environmental Technologies)
The environmental evaluation of the sorption-enhanced water–gas shift (SEWGS) process to be used for the decarbonization of an integrated steel mill through life cycle assessment (LCA) is the subject of the present paper. This work is carried out within the STEPWISE H2020 project (grant agreement No. 640769). LCA calculations were based on material and energy balances derived from experimental activities, modeling activities, and literature data. Wide system boundaries containing various upstream and downstream processes as well as the main integrated steel mill are drawn for the system under study. The environmental indicators of the SEWGS process are compared to another carbon capture and storage (CCS) technology applied to the iron and steel industry (e.g., gas–liquid absorption using MEA). The reduction of greenhouse gas emissions for SEWGS technology is about 40%. For the other impact indicators, there is an increase in the SEWGS technology (in the range of 7.23% to 72.77%), which is mainly due to the sorbent production and transportation processes. Nevertheless, when compared with the post-combustion capture technology, based on gas–liquid absorption, from an environmental point of view, SEWGS performs significantly better, having impact factor values closer to the no-capture integrated steel mill. View Full-Text
Keywords: life cycle assessment; sorption enhanced water gas shift; carbon capture and storage; integrated steel mill life cycle assessment; sorption enhanced water gas shift; carbon capture and storage; integrated steel mill
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MDPI and ACS Style

Petrescu, L.; Chisalita, D.-A.; Cormos, C.-C.; Manzolini, G.; Cobden, P.; van Dijk, H.A.J. Life Cycle Assessment of SEWGS Technology Applied to Integrated Steel Plants. Sustainability 2019, 11, 1825. https://doi.org/10.3390/su11071825

AMA Style

Petrescu L, Chisalita D-A, Cormos C-C, Manzolini G, Cobden P, van Dijk HAJ. Life Cycle Assessment of SEWGS Technology Applied to Integrated Steel Plants. Sustainability. 2019; 11(7):1825. https://doi.org/10.3390/su11071825

Chicago/Turabian Style

Petrescu, Letitia, Dora-Andreea Chisalita, Calin-Cristian Cormos, Giampaolo Manzolini, Paul Cobden, and H. A.J. van Dijk. 2019. "Life Cycle Assessment of SEWGS Technology Applied to Integrated Steel Plants" Sustainability 11, no. 7: 1825. https://doi.org/10.3390/su11071825

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