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Recovery of vanadium from v-bearing bof-slag using an eaf
RISE, Swerea, Swerea MEFOS.
SSAB Strip Products.
RISE, Swerea, Swerea MEFOS.
2010 (English)In: Proceedings of the 12th International Ferroalloys Congress: Sustainable Future, 2010, 189-195 p.Conference paper, Published paper (Refereed)
Abstract [en]

Experiments on a vanadium recovery method from vanadium containing BOF-slag using a 10 tons electric arc furnace (EAF) were conducted. The aim was not only to recover vanadium efficiently but also to make the treated BOF-slag useful for external markets. The vanadium and other valuable metals were extracted into a metal phase by pre-reduction using carbon-based reductants and finalreduction by injection of ferrosilicon- and/or aluminium powder. The results did show that in excess of 98% of vanadium could be recovered to the metal by this method, most of the iron and phosphorus was also successfully recovered to the metal. The reduced BOF-slag has a vanadium-content as low as 0.02mass% and thus has good opportunity to be used as construction material. The tested parameters important for the process are described and discussed in details in this paper.

Place, publisher, year, edition, pages
2010. 189-195 p.
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13483Scopus ID: 2-s2.0-84866139350ISBN: 9789529273409 (print)OAI: oai:DiVA.org:ri-13483DiVA: diva2:973692
Conference
12th International Ferroalloys Congress, INFACON 2010
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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Swerea MEFOS
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