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Sulfur oxidation activities of pure and mixed thermophiles and sulfur speciation in bioleaching of chalcopyrite
Zhu, W; Xia, JL; Yang, Y; Nie, ZY; Zheng, L; Ma, CY; Zhang, RY; Peng, AA; Tang, L; Qiu, GZ; Zheng L(郑雷); Ma CY(马陈燕)
2011
发表期刊BIORESOURCE TECHNOLOGY
卷号102期号:4页码:3877-3882
通讯作者[Zhu, Wei ; Xia, Jin-lan ; Yang, Yi ; Nie, Zhen-yuan ; Zhang, Rui-yong ; Peng, An-an ; Tang, Lu ; Qiu, Guan-zhou] Cent S Univ, Sch Minerals Proc & Bioengn, Minist Educ China, Key Lab Biomet, Changsha 410083, Peoples R China ; [Zheng, Lei ; Ma, Chen-yan] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
文章类型Article
摘要The sulfur oxidation activities of four pure thermophilic archaea Acidianus brierleyi (JCM 8954), Metallosphaera sedula (YN 23), Acidianus manzaensis (YN 25) and Sulfolobus metallicus (YN 24) and their mixture in bioleaching chalcopyrite were compared. Meanwhile, the relevant surface sulfur speciation of chalcopyrite leached with the mixed thermophilic archaea was investigated. The results showed that the mixed culture, with contributing significantly to the raising of leaching rate and accelerating the formation of leaching products, may have a higher sulfur oxidation activity than the pure cultures, and jarosite was the main passivation component hindering the dissolution of chalcopyrite, while elemental sulfur seemed to have no influence on the dissolution of chalcopyrite. In addition, the present results supported the former speculation, i.e., covellite might be converted from chalcocite during the leaching experiments, and the elemental sulfur may partially be the derivation of covellite and chalcocite. (C) 2010 Elsevier Ltd. All rights reserved.
关键词Sulfur oxidation activity Sulfur speciation Thermophiles Bioleaching Sulfur K-edge XANES
学科领域Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels ; Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
DOI10.1016/j.biortech.2010.11.090
URL查看原文
语种英语
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels ; Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000287277800031
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239947
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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Zhu, W,Xia, JL,Yang, Y,et al. Sulfur oxidation activities of pure and mixed thermophiles and sulfur speciation in bioleaching of chalcopyrite[J]. BIORESOURCE TECHNOLOGY,2011,102(4):3877-3882.
APA Zhu, W.,Xia, JL.,Yang, Y.,Nie, ZY.,Zheng, L.,...&马陈燕.(2011).Sulfur oxidation activities of pure and mixed thermophiles and sulfur speciation in bioleaching of chalcopyrite.BIORESOURCE TECHNOLOGY,102(4),3877-3882.
MLA Zhu, W,et al."Sulfur oxidation activities of pure and mixed thermophiles and sulfur speciation in bioleaching of chalcopyrite".BIORESOURCE TECHNOLOGY 102.4(2011):3877-3882.
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