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Utilization of Steelmaking Industry Waste Materials in Producing Direct Reduced Iron
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.
Swerea MEFOS AB.
Swerea MEFOS AB.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Minerals and Metallurgical Engineering.
2014 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

The depletion of coke reserves and the raised environmental concerns motivated researchers to work on alternative iron-making processes. Large amount of metallurgical dusts and sludge containing iron and C are produced in the steelmaking industry. These alternative iron ore resources (fines) with poor hydrophilicity are difficult to recycle. The idea of briquetting such wastes containing iron to be used as a feed stock for steelmaking industry is practiced successfully at several plants.In the present study, agglomerates of integrated steelmaking industry waste materials were used as feed stock to produce direct reduced iron (DRI). The reduction behavior of blends of different waste materials (namely, BF dust and sludge, BOF dust and sludge) were investigated thoroughly utilizing TGA/DTA/QMS in combination with XRD.

Place, publisher, year, edition, pages
2014.
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-38574Local ID: d02f1df2-bcb1-496d-a2e9-4927bb4eeecaOAI: oai:DiVA.org:ltu-38574DiVA: diva2:1012074
Conference
European Steel Environment & Energy Congress : 15/09/2014 - 17/09/2014
Note
Godkänd; 2014; 20141022 (hesahm)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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