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of Acidithiobacillus ferrooxidans on surface properties of chalcopyrite and bioleaching GU Guo-hua, CHEN Ming-lian, SU Li-jun, LI Jian-hua, HU Yue-hua, QIU Guan-zhou (School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: Effects of Acidithiobacillus ferrooxidans cultured on different energy resources (Fe2+, sulfur and chalcopyrite) on surface properties......
; 文章编号:1672-7207(2011)08-2167-06 Chalcopyrite dissolution behavior under microbe-mineral contact/uncontact model GU Guo-hua1, GUO Yu-wu1, 2 (1. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China; 2. Hunan Research Institute of Nonferrous Metals, Changsha 410015, China) Abstract: The impact of A.ferrooxidans on dissolution of chalcopyrite......
;文献标志码:A 文章编号:1672-7207(2011)11-3245-06 Passivation of different genetic types of chalcopyrite bioleaching FU Kai-bin, LIN Hai, MO Xiao-lan, DONG Ying-bo, WANG Han (School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China) Abstract: The passivation of chalcopyrite of two different......
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Trans. Nonferrous Met. Soc. China 26(2016) 3245-3252 Flotation behaviors and mechanisms of chalcopyrite and galena after cyanide treatment Yi-wen MA1,2, Yue-xin HAN1, Yi-min ZHU1, Yan-jun LI1, Hao... Received 4 January 2016; accepted 12 October 2016 Abstract: Adsorbing tests between CN- and chalcopyrite or galena were conducted firstly, and then flotation tests of the two cyaniding minerals were......
Trans. Nonferrous Met. Soc. China 29(2019) 2604-2614 Xanthate interaction and flotation separation of H2O2-treated chalcopyrite and pyrite Sultan Ahmed KHOSO1,2, Yue-hua HU1,2, Fei Lü1,2, Ya GAO1,2... of H2O2 treatment on xanthate interaction and flotation separation of chalcopyrite and pyrite by making use of a series of laboratory flotation experiments and surface analysis techniques. Flotation......
文献标志码:A 文章编号:1672-7207(2010)02-0406-05 Influences of collector CSU31 on chalcopyrite and pyrite... of collector CSU31 in flotation of chalcopyrite and pyrite was investigated through flotation experiments, adsorption capacity measurements and Zeta potential experiments. The results show......
Trans. Nonferrous Met. Soc. China 28(2018) 556-566 Interfacial reactions of chalcopyrite in ammonia–ammonium chloride solution Xiao-ming HUA1, Yong-fei ZHENG2, Qian XU2, Xiong-gang LU2, Hong-wei... of chalcopyrite in ammonia–ammonium chloride solution were investigated. The chalcopyrite surface was examined by scanning electron microscopy and X-ray photoelectron spectroscopy (XPS) techniques......
-sulfur ratios. After 36 d of leaching, the chalcopyrite with iron-sulfur ratio of about 1:1 achieved the highest copper extraction (69.62%). In the early stage, iron oxidizing bacteria predominated... that in the early stage. Furthermore, the three bioleaching systems above were added with elemental sulfur (3 g/L); the chalcopyrite with iron-sulfur ratio of about 2:1 achieved the highest copper......
Trans. Nonferrous Met. Soc. China 28(2018) 1241-1247 Flotation and electrochemical behaviors of chalcopyrite and pyrite in the presence of N-propyl-N′-ethoxycarbonyl thiourea Shuang-ke LI, Guo-hua GU...: The characteristics of N-propyl-N′-ethoxycarbonyl thiourea (PECTU) were studied in the flotation experiments of chalcopyrite and pyrite compared with butyl xanthate (BX). The interaction mechanism between mineral......