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Electrochemical and spectroscopic study of interfacial interactions between chalcopyrite and typical flotation process reagentsGustavo Urbano1,Isabel Lázaro1,Israel Rodríguez1,Roxana Larios3,Roel... a greater hydrophobicity of chalcopyrite are primarily CuX and S0,whereas oxides and hydroxides of Cu and Fe as well as an excess of starch decrease the hydrophobicity.A conditioning of the mineral......
Dissolution characteristics of sericite in chalcopyrite bioleaching and its effect on copper extractionYing-bo Dong,Hao Li,Hai Lin,Yuan ZhangSchool of Energy and Environmental Engineering,University... extraction in a chalcopyrite bioleaching system were examined. Finer particles,appropriate temperature and rotation speed for Acidithiobacillus ferrooxidans resulted in a higher Al3+ dissolution......
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Trans. Nonferrous Met. Soc. China 29(2019) 2183-2191 Effect of temperature-induced phase transitions on bioleaching of chalcopyrite Ke-xin CHANG, Yan-sheng ZHANG, Jia-ming ZHANG, Teng-fei LI, Jun... of chalcopyrite and the effect of its phase status on bacterial leaching were studied. Under the protection of high-purity argon, different temperatures (203, 382 and 552 °C) were applied to natural......
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;钝化;次生硫化铜矿 中图分类号:TF18 文献标志码:A Progress in sulfur speciation transformation during chalcopyrite bioleaching LIANG Chang-li1, 2, 3, XIA Jin-lan1, 2, YANG Yi1, 2, NIE Zhen-yuan1... sulfur-containing intermediates and derivatives are formed during chalcopyrite bioleaching. The formation of these products can hamper or facilitate the dissolution of chalcopyrite. The study of sulfur......
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......
Leaching of copper from chalcopyrite concentrate by using ammonium persulphate in an autoclave: Determination of most suitable impeller type by using response surface methodologyM. D. Turan1, H. S...; 23279, Turkey)Abstract:Some effective parameters on the copper extraction from Küre chalcopyrite concentrate were optimized by using response surface methodology (RSM). Experiments designed by RSM......
;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......