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논문 기본 정보

자료유형
학술저널
저자정보
He, Sai (School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing) Yang, Chang-qiao (School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing) Li, Su-qin (School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing) Zhang, Chang-quan (School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing)
저널정보
한국초전도저온학회 한국초전도·저온공학회논문지 한국초전도·저온공학회논문지 제19권 제1호
발행연도
2017.1
수록면
17 - 21 (5page)

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Vanadium slags is a kind of vanadiferous solid waste from steelmaking process. It not only occupies land, pollutes environment, but also leads to waste of resources. Based on the difference of magnetic susceptibility of different particles caused by their chemical and physical properties from vanadium slag, a new technology, superconducting high gradient magnetic separation was investigated for separation and extraction of valuable substances from vanadium slag. The magnetic concentrate was obtained under optimal parameters, i.e., a particle size -200 mesh, a magnetic flux density of 0.8 T, a slurry concentration of 5 g/L, an amount of steel wools of 25 g and a slurry flow velocity of 2 L/min. The content of $Fe_2O_3$ in concentrate could be increased from 39.6% to 55.0% and $V_2O_5$ from 2.5% to 4.0%, respectively. The recovery rate is up to 42.9%, and the vanadium slag has been effectively reused.

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