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Low CO2 ironmaking in the blast furnace: Roheisenerzeugung im Hochofen mit niedrigen CO2 Emissionen
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering. Process Metallurgy Department, Swerea Mefos AB, Luleå.ORCID iD: 0000-0003-3363-351X
Ironmaking Department, SSAB Europe, Luleå.
Strategic Production Development, SSAB Special Steels, Oxelösund.
Process Metallurgy Department, Swerea Mefos AB, Luleå.
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2017 (English)In: Stahl und Eisen (1881), ISSN 0340-4803, Vol. 137, no 9, p. 29-37Article in journal (Refereed) Published
Abstract [en]

The steel industry contributes to the global emissions of fossil CO2 by ~ 7 %, mainly related to coal and coke used in the BF. At the same time the BF is, and will be in a foreseeable future, the most energy efficient method for ore based hot metal production. Several R&D teams have investigated concepts to minimise CO2 emission as e.g. the ULCOS top gas recycling BF, high injection of H2, use of bio-mass products and HBI. In this paper these different options, and in some cases combination of these are analysed relative the BF conditions and their possible impacts on fossil CO2 emission are compared.

Place, publisher, year, edition, pages
Verlag Stahleisen , 2017. Vol. 137, no 9, p. 29-37
Keywords [en]
CO2 emission, blast furnace, heat and mass balance model, biomass, topgas recycling, gas injection
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-65967Scopus ID: 2-s2.0-85031329339OAI: oai:DiVA.org:ltu-65967DiVA, id: diva2:1147014
Note

Validerad;2017;Nivå 2;2017-10-05 (andbra)

Available from: 2017-10-04 Created: 2017-10-04 Last updated: 2018-01-17Bibliographically approved

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