| 含MO（MO=FeO,NiO）的低碱度CaO-MgO-Al2O3-SiO2熔渣电导率（英文） |
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| 引用本文： | 孙长余,郭兴敏.含MO（MO=FeO,NiO）的低碱度CaO-MgO-Al2O3-SiO2熔渣电导率（英文）[J].中国有色金属学会会刊,2011(7):1648-1654. |
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| 作者姓名： | 孙长余 郭兴敏 |
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| 作者单位： | 北京科技大学冶金与生态工程学院; |
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| 基金项目： | Project(50574011) supported by the National Natural Science Foundation of China |
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| 摘 要： | 作为有色冶金渣中有价金属回收基础,利用电化学交流阻抗谱法,测定低碱度MO(MO=FeO,NiO)-CaOMgO-Al2O3-SiO2五元熔渣体系的电导率。结果表明:随着熔渣体系温度的升高和MO浓度的增大,熔渣电导率增大。在1573～1773K下,(CaO+MgO)与(SiO2+Al2O3)质量比为0.47,当MO浓度小于12%时,熔渣电导率为1.4～14.4S/m。随着熔渣中MO浓度的增大,熔渣电导率增大的幅度增加。当熔渣中FeO和NiO浓度小于8%时,两种熔渣的电导率相差不大;当浓度达到12%时,含FeO的熔渣电导率明显大于含NiO的熔渣电导率。随着MO浓度的增加,电导活化能降低。
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| 关 键 词： | FeO NiO 熔渣 电导率 交流阻抗 |
Electrical conductivity of MO(MO=FeO,NiO)-containing CaO-MgO-SiO_2-Al_2O_3 slag with low basicity |
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| SUN Chang-yu,GUO Xing-min School of Metallurgical , Ecological Engineering,University of Science , Technology Beijing,Beijing ,China.Electrical conductivity of MO(MO=FeO,NiO)-containing CaO-MgO-SiO_2-Al_2O_3 slag with low basicity[J].Transactions of Nonferrous Metals Society of China,2011(7):1648-1654. |
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| Authors: | SUN Chang-yu GUO Xing-min School of Metallurgical Ecological Engineering University of Science Technology Beijing Beijing China |
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| Affiliation: | SUN Chang-yu,GUO Xing-min School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China |
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| Abstract: | As a fundamental study on recovery of valuable metals from nonferrous metallurgical slags,electrical conductivity values of MO(MO=FeO,NiO)-containing CaO-MgO-SiO2-Al2O3 slag with a low basicity were measured at different temperatures using AC impedance spectroscopy.The result shows that the electrical conductivity increased from 1.4 S/m to 14.4 S/m with the increase of the temperature from 1 573 to 1 773 K and the content of MO which is less than 12% under the constant mass ratio of (CaO+MgO) to (SiO2+Al2O3... |
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| Keywords: | FeO NiO molten slag electrical conductivity AC impedance spectroscopy |
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