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Potential CO2 emission reduction for BF-BOF steelmaking based on optimised use of ferrous burden materials
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
2009 (English)In: International Journal of Greenhouse Gas Control, ISSN 1750-5836, E-ISSN 1878-0148, Vol. 3, no 1, p. 29-38Article in journal (Refereed) Published
Abstract [en]

Currently, the blast furnace (BF) to basic oxygen furnace (BOF) is the dominant steel production route in the steel industry. The direct CO2 emission in this process system exceeds 1 t of CO2/t of crude steel produced. Different ferrous burden materials, for instance iron ore and scrap, can be used in various proportions in this steelmaking route. This paper analyses how energy use, conversion costs, and CO2 emissions can be influenced by the use of different ferrous burden materials when producing crude steel. An optimisation mixed integer linear programming (MILP) model has been applied for analysis. By the use of the optimisation model, it is possible to highlight some issues of special importance, such as best practices to increase production at low conversion cost, or best practices to increase production at low CO2 emission. It is found out that more benefits will be gained when using the system-oriented analysis to the steelmaking process. Furthermore, a comprehensive view of the trade-offs between the objectives of Cost and CO2 can provide useful information for decision makers to generate strategies under the future emission trading.

Place, publisher, year, edition, pages
2009. Vol. 3, no 1, p. 29-38
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4902DOI: 10.1016/j.ijggc.2008.06.005ISI: 000262914800005Scopus ID: 2-s2.0-58149154939Local ID: 2e69e420-735c-11dd-a60f-000ea68e967bOAI: oai:DiVA.org:ltu-4902DiVA, id: diva2:977776
Note
Validerad; 2009; 20080826 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Wang, ChuanRyman, ChristerDahl, Jan

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CiteExportLink to record
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Citation style
  • apa
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