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Optimisation of sustainability in integrated steelmaking
Luleå tekniska universitet.
SSAB Tunnplåt AB.
2008 (English)In: Proceedings of the 18th International Congress of Chemical and Process Engineering: 24th - 28th August - Prague - Czech Republic, Prague: ČSCHI - Czech Society of Chemical Engineering , 2008Conference paper, Published paper (Refereed)
Abstract [en]

The complex structure of the energy and mass flows in steelmaking has resulted in many attempts to describe the process dynamics by models. Swedish steelmaker SSAB Tunnplåt is one of Europe´s leading manufacturers of high-strength strip steels. The company has orebased steel production in Luleå and strip steel manufacture in Borlänge. SSAB has a long practical experience on how to use optimisation models for planning and decision-making related to energy and material utilisation.Sustainable development is development aimed at improving the quality of life for everyone, and is a factor of increasing importance in the industry. The International Iron and Steel Institute (IISI) have suggested a number of sustainability indicators to measure economic, environmental and social performance for steelmaking. This paper exemplifies how the sustainability indicators; i) material efficiency, ii) energy intensity, and iii) greenhouse gas emissions, can be used as objectives for systematic analysis and optimisation of the industrial system. It is then possible to study possible conflicts or correlations between the different sustainability indicators. A MILP-based process integration model including cokemaking, blast furnace ironmaking, basic oxygen steelmaking, and continuous casting for the production of steel slabs has been adopted for this task.

Place, publisher, year, edition, pages
Prague: ČSCHI - Czech Society of Chemical Engineering , 2008.
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-29545Local ID: 30d2c7e0-b736-11dd-9c2e-000ea68e967bOAI: oai:DiVA.org:ltu-29545DiVA: diva2:1002769
Conference
International Congress of Chemical and Process Engineering : 24/08/2008 - 28/08/2008
Note
Godkänd; 2008; Bibliografisk uppgift: CD-ROM; 20081120 (chrrym)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Ryman, ChristerLarsson, Mikael
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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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