Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Extraction of Vanadium Powder by Metallothermic Reduction

금속환원법에 의한 바나듐 분말 추출

  • 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)
  • 이동원 (한국기계연구원 부설 재료연구소 티타늄연구그룹) ;
  • 허상현 (한국기계연구원 부설 재료연구소 분말기술연구그룹) ;
  • 염종택 (한국기계연구원 부설 재료연구소 티타늄연구그룹) ;
  • 왕제필 (국립부경대학교 금속공학과)
  • Received : 2013.01.28
  • Accepted : 2013.02.20
  • Published : 2013.02.28
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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

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References

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