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Sulfur speciation on the surface of chalcopyrite leached by Acidianus manzaensis
He, H; Xia, JL; Yang, Y; Jiang, HC; Xiao, CQ; Zheng, L; Ma, CY; Zhao, YD; Qiu, GZ; Zheng L(郑雷); Ma CY(马陈燕); Zhao YD(赵屹东)
2009
发表期刊HYDROMETALLURGY
卷号99期号:1-2页码:#REF!
通讯作者Xia, JL (reprint author), Cent S Univ, Sch Minerals Proc & Bioengn, Minist Educ China, Key Lab Biomet, Changsha 410083, Hunan, Peoples R China.
摘要Sulfur speciation on the surface of chalcopyrite leached by extremely thermophilic Acidianus manzaensis was investigated by employing scanning electron microscopy (SEM), X-ray diffraction (XRD) and sulfur K-edge X-ray absorption near edge structure spectroscopy (XANES). SEM micrographs showed that the cells were attached to the surface of chalcopyrite and the mineral surface was covered with many floccules after 20-day bioleaching. XRD spectra indicated that the leach residue was mainly composed of chalcopyrite and jarosite, whilst the sulfur K-edge spectra indicated that the jarosite might be the main component of the passivation layer of the chalcopyrite leached by A. manzaensis. The results of spectral graphic analysis suggested that covellite was the intermediate sulfur compound during bioleaching of chalcopyrite. (C) 2009 Elsevier B.V. All rights reserved.
文章类型Article
关键词Sulfur speciation Bioleaching Chalcopyrite Acidianus manzaensis XANES Surface analysis
学科领域Metallurgy & Metallurgical Engineering
DOI10.1016/j.hydromet.2009.06.004
收录类别SCI
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000270120100009
引用统计
被引频次:23[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/311005/225711
专题多学科研究中心
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GB/T 7714
He, H,Xia, JL,Yang, Y,et al. Sulfur speciation on the surface of chalcopyrite leached by Acidianus manzaensis[J]. HYDROMETALLURGY,2009,99(1-2):#REF!.
APA He, H.,Xia, JL.,Yang, Y.,Jiang, HC.,Xiao, CQ.,...&赵屹东.(2009).Sulfur speciation on the surface of chalcopyrite leached by Acidianus manzaensis.HYDROMETALLURGY,99(1-2),#REF!.
MLA He, H,et al."Sulfur speciation on the surface of chalcopyrite leached by Acidianus manzaensis".HYDROMETALLURGY 99.1-2(2009):#REF!.
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