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J. Cent. South Univ. Technol. (2007)04-0485-05 DOI: 10.1007/s11771-007-0094-0 Mechanism of gold dissolving in alkaline thiourea solution CHAI Li-yuan(柴立元), WANG Yun-yan(王云燕) (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) _____________________________________________________________ Abstract:Reaction mechanism of gold dissolving......
Effect of mixed moderately thermophilic adaptation on leachability and mechanism of high arsenic gold concentrate in an airlift bioreactorYU Run-lan(余润兰), WU Fa-deng(吴发登), CHEN An(陈安), SHI Li-juan(石丽... gold concentrate with 19% arsenic was treated by a mixed moderately thermophiles in an airlift bioreactor through an adaptation protocol. The moderately thermophiles could respond well to 20% (w/v......
J. Cent. South Univ. Technol. (2011) 18: 1418-1424 DOI: 10.1007/s11771-011-0856-6 Effect of chloride ion on bacterial pre-oxidation of arsenic-containing gold concentrate YANG Wei(杨玮)1, QIN Wen-qing(覃文庆)1, LIU Rui-qiang(刘瑞强)2, REN Yun-chao(任允超)3 1. School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China; 2. Refinery of Shandong Gold Mining Co......
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J. Cent. South Univ. Technol. (2008) 15: 612-616 DOI: 10.1007/s11771-008-0114-8 Reaction of erythromycin with dissolved oxygen on gold nanoparticle-modified glassy carbon electrodes LI Xue(李雪... the reaction of erythromycin (EM) with dissolved oxygen on gold nanoparticle-modified electrodes prepared via electrodeposition. A well-defined reduction peak at -0.420 V and a reoxidation peak......
Biooxidation-thiosulfate leaching of refractory gold concentrateHe-fei Zhao1,2,Hong-ying Yang1,2,Lin-lin Tong1,2,Qin Zhang1,2,Ye Kong1,21. Key Laboratory for Ecological Metallurgy of Multimetallic... leaching of gold from refractory gold concentrate was investigated. Mineralogical studies on the concentrate showed that very fine gold grains(<10 μm) were encapsulated in pyrite and arsenopyrite......
Valence variation of arsenic in bioleaching process of arsenic-bearing gold ore CUI Ri-cheng(崔日成), YANG Hong-ying(杨洪英), CHEN Sen(陈 森), ZHANG Shuo(张 硕), LI Ke-feng(李科峰) School of Materials... leaching; arsenic resistance; oxidant; arsenic-bearing gold ore 1 Introduction Arsenic-bearing gold ore is a common......