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Innovative approach to recovery of iron from steelmaking slags
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2010 (English)In: Ironmaking & steelmaking, ISSN 0301-9233, E-ISSN 1743-2812, Vol. 37, no 7, 536-540 p.Article in journal (Refereed) Published
Abstract [en]

The present work is aimed at the development of a new sustainable method for the utilisation of valuable elements from the steelmaking slag. In the framework of the innovative concept earlier proposed by the authors for utilisation of steelmaking slags, oxidation of iron mono-oxide in the liquid slag was studied experimentally in different atmospheres and in the temperature range 1623-1823 K using thermogravimetry technique. Synthetic (binary and ternary slag system) as well as industrial steelmaking slags were used in the experiments. Analysis of the reaction products was carried out using X-ray diffraction method. A possibility to transform the nonmagnetic iron bearing compounds to magnetite in the steelmaking slag by oxidation has been confirmed.

Place, publisher, year, edition, pages
2010. Vol. 37, no 7, 536-540 p.
Keyword [en]
Steelmaking slag, Recycling, Iron recovery, Oxidation
National Category
Materials Engineering Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-26638DOI: 10.1179/030192310X12690127076479ISI: 000282517800010Scopus ID: 2-s2.0-77957576410OAI: oai:DiVA.org:kth-26638DiVA: diva2:374397
Note
QC 20101203Available from: 2010-12-03 Created: 2010-11-26 Last updated: 2017-12-12Bibliographically approved

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