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- 금속환원법에 의한 바나듐 분말 추출
- 이동원, 허상현, 염종택, 왕제필
- Extraction of Vanadium Powder by Metallothermic Reduction
- Dong-Won Lee, Sang-Hyun Heo, Jong-Taek Yeom, Jei-Pil Wang
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Journal of Korean Powder Metallurgy Institute 2013;20(1):43-47
DOI: https://doi.org/10.4150/KPMI.2013.20.1.043
1한국기계연구원 부설 재료연구소 티타늄연구그룹
2한국기계연구원 부설 재료연구소 분말기술연구그룹
3한국기계연구원 부설 재료연구소 티타늄연구그룹
4국립부경대학교 금속공학과
1Titanium Department, Korea Institute of Materials Science (KIMS)
2Powder Technology Research Group, Korea Institute of Materials Science (KIMS)
3Titanium Department, Korea Institute of Materials Science (KIMS)
4Department of Metallurgical Engineering, Pukyoung National University
2한국기계연구원 부설 재료연구소 분말기술연구그룹
3한국기계연구원 부설 재료연구소 티타늄연구그룹
4국립부경대학교 금속공학과
1Titanium Department, Korea Institute of Materials Science (KIMS)
2Powder Technology Research Group, Korea Institute of Materials Science (KIMS)
3Titanium Department, Korea Institute of Materials Science (KIMS)
4Department of Metallurgical Engineering, Pukyoung National University
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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 µm, respectively
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