Phase Equilibrium between Ni-S Melt and FeOx-SiO2 or FeOx-CaO Based Slag under Controlled Partial Pressures
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- Henao Hector M.
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Hino Mitsuhisa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
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- Itagaki Kimio
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
書誌事項
- タイトル別名
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- Phase Equilibrium between Ni-S Melt and FeO<SUB>X</SUB>-SiO<SUB>2</SUB> or FeO<SUB>X</SUB>-CaO Based Slag under Controlled Partial Pressures
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To provide thermodynamic data for converting the nickel matte to liquid nickel, an experimental study was conducted in the phase equilibrium between the Ni–S alloy and the FeOX–SiO2 or FeOX–CaO based slag in a magnesia crucible at 1773 K under controlled pSO<SUB>2</SUB> of 10.1 kPa and pO<SUB>2</SUB> in a range between 5.1×10−3 and 1.6 Pa by using CO–CO2–SO2 gas mixtures. The solubility of nickel in these slags at pO<SUB>2</SUB> of 1.6 Pa, above which precipitation of a FeOX–NiO solid solution was anticipated, was found to be 10.1 and 20.3 mass% for the FeOX–SiO2 and FeOX–CaO based slags, respectively. The contents of iron, sulfur and oxygen in the nickel melt equilibrated with these slags were 2, 3 and 0.5 mass% for the FeOX–SiO2 based slag and 1, 3 and 0.5 mass% for the FeOX–CaO based slag, respectively. The dissolutions of nickel and sulfur in the slags were discussed on the basis of distribution ratio and sulfide capacity, respectively.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 43 (9), 2219-2227, 2002
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204247034368
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- NII論文ID
- 10012326030
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD38XnvFGqsLs%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 6312708
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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