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J. Cent. South Univ. Technol. (2008) 15: 49-53 DOI: 10.1007/s11771-008-0011-1 Interfacial interaction of bio-leaching of pyrite mineral GU Guo-hua(顾帼华)1, WANG Hui(王 晖)2, SUO Jun(锁...; Abstract: Electrokinetic and contact angle measurements were used to discuss the interfacial interaction on bio-leaching of pyrite mineral. Surface energy parameters of pyrite......
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J. Cent. South Univ. (2019) 26: 796-805 DOI: https://doi.org/10.1007/s11771-019-4049-z Effect of iron transformation on Acidithiobacillus ferrooxidans bio-leaching of clay vanadium residue FENG Ya...-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: The acid bio-leaching process of vanadium extraction from clay vanadium water-leached residue was studied and the effect of the performance......
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has. Key words: pyritic chalcopyrite; porphyry chalcopyrite; bio-leaching; sulphur layer; copper-rich iron-deficient surface layer 黄铜矿属于原生矿,储量丰富,就化学和细菌浸出而言,是最难处理的硫化铜矿物[1].常温下细菌浸出,速率慢,浸出率低,一般在20%~30%之...迅速,浸出14 d时,先达到最大值,为6.3×10-2 g/(L·d),在其浸出速率开始降低时,黄铁矿型黄铜矿浸出速率开始增长,到第 28 d时,上升达到最大,为27.3×10-2 g/(L·d),试验后期,浸出速率都逐渐接近于0. 图1 不同成因类型黄铜矿细菌的浸出速率 Fig.1 Bio-leaching velocity......
Iranian Copper Industries Company, Iran Received 13 June 2013; accepted 5 February 2014 Abstract: The precipitation of jarosite adversely affects the bio-leaching of copper sulfides in the Sarcheshmeh heap bio-leaching process. The variables of the initial concentration of ferrous iron in the growth medium, pH, and temperature were examined in the laboratory to determine how they affect......
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flotation reagents (four xanthate collectors of different carbon lengths, butylamine, oil 2 and oil 11) and five combinations of these flotation reagents on the growth, activity and bio-leaching... on the growth, activity and bio-leaching capability of the strain At.f LD-1 are in the following order: combinations of butyl xanthate, butylamin and oil 2; combinations of isopropyl xanthate, butylamin and oil 2......
