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http://dx.doi.org/10.4150/KPMI.2013.20.1.043

Extraction of Vanadium Powder by Metallothermic Reduction  

Lee, Dong-Won (Titanium Department, Korea Institute of Materials Science (KIMS))
Heo, Sang-Hyun (Powder Technology Research Group, Korea Institute of Materials Science (KIMS))
Yeom, Jong-Taek (Titanium Department, Korea Institute of Materials Science (KIMS))
Wang, Jei-Pil (Department of Metallurgical Engineering, Pukyoung National University)
Publication Information
Journal of Powder Materials / v.20, no.1, 2013 , pp. 43-47 More about this Journal
Abstract
The extraction of metallic pure vanadium powder from raw oxide has been tried by Mg-reduction. In first stage, $V_2O_5$ powders as initial raw material was reduced by hydrogen gas into $V_2O_3$ phase. $V_2O_3$ powder was reduced in next stage by magnesium gas at 1,073K for 24 hours. After reduction reaction, the MgO component mixed with reduced vanadium powder were dissolved and removed fully in 10% HCl solution for 5 hours at room temperature. The oxygen content and particle size of finally produced vanadium powders were 0.84 wt% and 1 ${\mu}m$, respectively
Keywords
Vanadium powder; Mg-reduction; Oxygen content; Particle size;
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Times Cited By KSCI : 1  (Citation Analysis)
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