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Characterization of the thermo-reduction process of chalcopyrite at 65 degrees C by cyclic voltammetry and XANES spectroscopy
Liang, CL; Xia, JL; Yang, Y; Nie, ZY; Zhao, XJ; Zheng, L; Ma, CY; Zhao, YD; Zheng L(郑雷); Ma CY(马陈燕); Zhao YD(赵屹东)
2011
发表期刊HYDROMETALLURGY
卷号107期号:1-2页码:#REF!
通讯作者Xia, JL (reprint author), Cent S Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China.
摘要The thermo-reduction of a massive chalcopyrite electrode was investigated at 65 degrees C and pH 1.5, in terms of cyclic voltammetry. The influences of scan limits on the electrochemical behavior of chalcopyrite were also studied, as well as the reduction intermediates on the electrode surface characterized by sulfur K-, Fe L3- and Cu L-3-edge X-ray absorption near structure (XANES) spectroscopy. The transformation conditions for the reduction of chalcopyrite to intermediate products were ascertained. The reduction process that transformed chalcopyrite to bornite took place in the potential range of 0.1 to -0.1 V. and is the initial and rate-limiting step of the successive chalcopyrite reduction. The reduction of bornite and chalcopyrite to chalcocite took place in the potential range of -0.1 to -0.56 V. while the formation of elemental copper was confirmed, when the potential was more negative than -0.5 V. (C) 2011 Elsevier B.V. All rights reserved.
文章类型Article
关键词Chalcopyrite Bornite Chalcocite Reduction XANES Cyclic voltammetry
学科领域Metallurgy & Metallurgical Engineering
DOI10.1016/j.hydromet.2011.01.011
收录类别SCI
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000289400800002
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225498
专题多学科研究中心
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GB/T 7714
Liang, CL,Xia, JL,Yang, Y,et al. Characterization of the thermo-reduction process of chalcopyrite at 65 degrees C by cyclic voltammetry and XANES spectroscopy[J]. HYDROMETALLURGY,2011,107(1-2):#REF!.
APA Liang, CL.,Xia, JL.,Yang, Y.,Nie, ZY.,Zhao, XJ.,...&赵屹东.(2011).Characterization of the thermo-reduction process of chalcopyrite at 65 degrees C by cyclic voltammetry and XANES spectroscopy.HYDROMETALLURGY,107(1-2),#REF!.
MLA Liang, CL,et al."Characterization of the thermo-reduction process of chalcopyrite at 65 degrees C by cyclic voltammetry and XANES spectroscopy".HYDROMETALLURGY 107.1-2(2011):#REF!.
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