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Experiences of using various metallurgical reactors for reduction of vanadium bearing steel slags and other wastes
RISE, Swerea, Swerea MEFOS.
RISE, Swerea, Swerea MEFOS.
2012 (English)In: TMS Annual Meeting, 2012, p. 147-154Conference paper, Published paper (Refereed)
Abstract [en]

Swedish iron ore contains about 0.1%V. The vanadium is reduced to the hot metal in a blast furnace and oxidised to the slag in a converter. The high V-content, up to 5% V, leads to a very limited external application of the steel slag in Sweden. Since 2004, MISTRA - the Swedish Foundation for Strategic Environmental Research has together with the steel and mining industry in Sweden and Finland initiated and supported a long term project aiming at efficient recovery of vanadium in the slag, and at the same time a useful slag product with low V-content. The proposed concept consists of a reduction step and a phosphorus removal step. This paper will highlight some of the results with focus on the various metallurgical reactors used for slag reduction, including results from recently performed pilot trials using a DC furnace for co-treatment of metallurgical slags and other wastes.

Place, publisher, year, edition, pages
2012. p. 147-154
Keywords [en]
Industrial trials, LD-slag, Pilot, Recovery, Recycling, Reduction, Vanadium, Wastes
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13470Scopus ID: 2-s2.0-84860815018ISBN: 9781118291160 (print)OAI: oai:DiVA.org:ri-13470DiVA, id: diva2:973679
Conference
International Smelting Technology Symposium, Incorporating the 6th Advances in Sulfide Smelting Symposium - TMS 2012 Annual Meeting and Exhibition
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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