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Effect of activated carbon on chalcopyrite bioleaching with extreme thermophile Acidianus manzaertsis
Liang, CL; Xia, JL; Zhao, XJ; Yang, Y; Gong, SQ; Nie, ZY; Ma, CY; Zheng, L; Zhao, YD; Qiu, GZ; Ma CY(马陈燕); Zheng L(郑雷); Zhao YD(赵屹东)
2010
发表期刊HYDROMETALLURGY
卷号105期号:1-2页码:179-185
通讯作者[Liang, Chang-Li ; Xia, Jin-Lan ; Zhao, Xiao-Juan ; Yang, Yi ; Gong, San-Qiang ; Nie, Zhen-Yuan ; Qiu, Guan-Zhou] Cent S Univ, Key Lab Biomet, Minist Educ China, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China ; [Ma, Chen-Yan ; Zheng, Lei ; Zhao, Yi-Dong] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The effect of activated carbon on chalcopyrite bioleaching by extreme thermophile Acidianus manzaensis YN25 at 65 degrees C was evaluated, together with the investigation of the sulfur speciation transformation on the mineral by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) and sulfur K-edge X-ray absorption near edge structure (XANES) spectroscopy. Bioleaching experiments show activated carbon significantly accelerated the dissolution of copper from chalcopyrite concentrate. The optimum concentration of activated carbon enhancing copper dissolution is 2 g/L. under which the copper yields increased from 64% to 95%. The catalysis could mainly be attributed to the galvanic interaction between activated carbon and chalcopyrite. Jarosite, elemental sulfur and chalcocite were detected in the solid phase, and the formation of potassium jarosite was prior to ammonio-jarosite. Activated carbon did not change the species of sulfur-containing compounds, but accelerated the formation of them. (C) 2010 Elsevier B.V. All rights reserved.
关键词Activated carbon Chalcopyrite Sulfur speciation XANES Acidianus manzaensis YN25
学科领域Metallurgy & Metallurgical Engineering
研究领域[WOS]Metallurgy & Metallurgical Engineering ; Metallurgy & Metallurgical Engineering
DOI10.1016/j.hydromet.2010.07.012
URL查看原文
语种英语
研究领域[WOS]Metallurgy & Metallurgical Engineering ; Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000285131900026
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236847
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Liang, CL,Xia, JL,Zhao, XJ,et al. Effect of activated carbon on chalcopyrite bioleaching with extreme thermophile Acidianus manzaertsis[J]. HYDROMETALLURGY,2010,105(1-2):179-185.
APA Liang, CL.,Xia, JL.,Zhao, XJ.,Yang, Y.,Gong, SQ.,...&赵屹东.(2010).Effect of activated carbon on chalcopyrite bioleaching with extreme thermophile Acidianus manzaertsis.HYDROMETALLURGY,105(1-2),179-185.
MLA Liang, CL,et al."Effect of activated carbon on chalcopyrite bioleaching with extreme thermophile Acidianus manzaertsis".HYDROMETALLURGY 105.1-2(2010):179-185.
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