NDLI: Solid-phase prereduction of iron-vanadium concentrates and liquid-phase separation of the products of their reduction

Content Provider	Springer Nature Link
Author	Roshchin, V. E. Asav, A. V. Roshchin, A. V.
Copyright Year	2010
Abstract	The transformations that occur in ore grains during solid-phase carbon reduction of the metals from the iron-vanadium concentrates formed upon the beneficiation of the titanomagnetite ores from Southern Ural deposits are studied. Upon heating to 1000°C, the solid solution in titanomagnetite grains decomposes with the formation of magnetite and ilmenite; the reduction of iron begins in the temperature range 1080–1110°C, and the reduction of titanium begins at above 1215°C. The reaction mixture should be held at 1250°C for 45 min to ensure almost complete iron reduction and the minimum degree of titanium reduction. For rapid separation melting, this procedure results in vanadium-containing cast iron (0.43–0.5% V) with <0.15% Ti and a slag with 42–43% titanium oxides.
Starting Page	1001
Ending Page	1008
Page Count	8
File Format	PDF
ISSN	00360295
Journal	Russian Metallurgy (Metally)
Volume Number	2010
Issue Number	11
e-ISSN	15556255
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-03-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys

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Solid-phase prereduction of iron-vanadium concentrates and liquid-phase separation of the products of their reduction