PHASE EQUILIBRIUM BETWEEN Ni-S MELT AND SLAGS UNDER CONTROLLED PARTIAL PRESSURE

机译：在分压受控下，Ni-S熔体和渣之间的相平衡

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To provide thermodynamic data for converting nickel matte to liquid nickel at high temperature, an experimental study was conducted on the phase equilibrium between the Ni-S alloy and the FeO_X-SiO_2, FeO_X-CaO, and CaO-Al_2O_3 base slag in a magnesia crucible and the CaO-Al_2O_3-MgO slag in an alumina crucible. All experiments were carried out at 1773 K under controlled pso_2 of 0.1 atm and pO_2 in a range between 5X10~(-7) and 10~(-5) atm by using CO-CO_2SO_2 gas mixtures. The dissolution of nickel in the slag was found to be minimum for the CaO-Al_2O_3-MgO slag with a molar ratio of NCaO/NAl_2O_3=1.7. The solubility of nickel in this slag at pO_2 of 6X10~(-6) atm (just before the precipitation of solid NiO) was 4 mass%. This result suggests that a CaO-Al_2O_3 base slag could be used in converting Ni-S melt to nickel while minimizing nickel losses to the slag.

机译：为了提供在高温下将亚光镍转化为液态镍的热力学数据，对镁坩埚中的Ni-S合金与FeO_X-SiO_2，FeO_X-CaO和CaO-Al_2O_3基渣之间的相平衡进行了实验研究。和氧化铝坩埚中的CaO-Al_2O_3-MgO炉渣。所有实验均使用CO-CO_2SO_2混合气体，在1atm和pO_2的控制pso_2为0.1atm和pO_2于5X10〜（-7）和10〜（-5）atm的范围内进行。发现对于CaO-Al_2O_3-MgO炉渣，镍在炉渣中的溶解最小，摩尔比为NCaO / NAl_2O_3 = 1.7。镍在该渣中的溶解度在pO_2为6X10〜（-6）atm（刚好在固体NiO沉淀之前）为4质量％。该结果表明CaO-Al_2O_3基渣可用于将Ni-S熔体转化成镍，同时使镍对渣的损失最小。

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来源
《Symposium on Sulfide Smelting 2002, Feb 17-21, 2002, Seattle, Washington》|2002年|p.523-531|共9页
会议地点 Seattle WA(US);Seattle WA(US)
作者
Hector M. Henao; Mitsuhisa Hino; Kimio Itagaki;
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作者单位

Institute of Multidisciplinary Research for Advanced Materials Tohoku University Katahira 2-1-1, Aoba-Ku Sendai, Miyagi 980-8577 Japan;

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原文格式 PDF
正文语种 eng
中图分类冶金工业;
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1. Phase equilibrium between Ni-S melt and FeO{sub}x-SiO{sub}x or FeO{sub}x-CaO based slag under controlled partial pressure [J] . Hector M. Henao, Mitsuhisa Hino, Kimio Itagaki Materials transactions . 2002,第9期

机译：Ni-S熔体与FeO {sub} x-SiO {sub} x或FeO {sub} x-CaO基炉渣在受控分压下的相平衡
2. Phase Equilibrium and Distribution of Minor Elements between Ni-S Melt and A1_2O_3-CaO-MgO Slag at 1873 K [J] . Hector M. Henao, Kimio Itagaki Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2004,第6期

机译：1873 K下Ni-S熔体与A1_2O_3-CaO-MgO矿渣之间的微量元素相平衡和分布
3. Phase Equilibrium between Ni-S Melt and CaO-Al_2O_3 Based Slag in CO-CO_2-SO_2 Gas Mixtures at 1773 K [J] . Hector M. Henao, Mitsuhisa Hino, Kimio Itagaki Materials transactions . 2002,第11期

机译：Ni-S熔体和基于CaO-Al_2O_3的矿渣在CO-CO_2-SO_2混合气体中在1773 K时的相平衡
4. PHASE EQUILIBRIUM BETWEEN Ni-S MELT AND SLAGS UNDER CONTROLLED PARTIAL PRESSURE [C] . Hector M. Henao, Mitsuhisa Hino, Kimio Itagaki Symposium on sulfide smelting . 2002

机译：受控部分压力下镍熔融与矿渣之间的相平衡
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PHASE EQUILIBRIUM BETWEEN Ni-S MELT AND SLAGS UNDER CONTROLLED PARTIAL PRESSURE

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