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Comprehensive study regarding greenhouse gas emission from iron ore based production at the integrated steel plant SSAB Tunnplåt AB
MEFOS − Metallurgical Research Institute AB.
SSAB Tunnplåt AB.
SSAB Tunnplåt AB.
SSAB Tunnplåt AB.
Show others and affiliations
2006 (English)In: International Journal of Green Energy, ISSN 1543-5075, E-ISSN 1543-5083, Vol. 3, no 2, p. 171-183Article in journal (Refereed)
Abstract [en]

During the years 2001-2002, a comprehensive study regarding CO2 emissions related to the steel production for the integrated steel making production route, was carried out. The study was financed by SSAB and carried out by a research group with members from SSAB, MEFOS and LTU. The aim was to study the emissions from the existing system and how these could be influenced by process changes and by process modifications. The calculations were made using a global spreadsheet model for calculating the CO2 emissions, developed from an existing Energy and Process Integration model of the same system. The calculated cases included the existing BF/BOF route as well as integration of other processes, e.g., an electric arc furnace, DR processes, COREX and a new future smelting reduction process concept (Sidcomet). All new existing alternative ore based process technologies would increase the specific CO2 emission from the system. A technology transfer to scrap based metallurgy would significantly decrease the emission level, but is not feasible for SSAB, due to the future product mix and the structure of scrap availability. In a 5-20 year perspective, the existing steel making process route with the use of magnetite ore for pellet production has the lowest specific CO2 emission. In a long-term perspective, 20-50 years, alternative process routes, e.g., based on H2 and DRI, could be of interest. Studies on such changes are, however, big projects and should be carried out as joint European and/or international efforts. Copyright © Taylor & Francis Group, LLC.

Place, publisher, year, edition, pages
2006. Vol. 3, no 2, p. 171-183
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12704DOI: 10.1080/01971520500544036Scopus ID: 2-s2.0-33745264888OAI: oai:DiVA.org:ri-12704DiVA, id: diva2:972896
Available from: 2016-09-22 Created: 2016-09-22 Last updated: 2017-11-21Bibliographically approved

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