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Bacterial leaching of chalcopyrite and bornite with native bioleaching microorganism WANG Jun(王 军), QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生), YANG Cong-ren(杨聪仁), ZHANG Jian-wen(张建... of Dachang Mine in the region of Liuzhou located in the southwest of China. Two typical copper sulfide minerals, chalcopyrite and bornite, were from Meizhou Copper Mine in the region of Guangdong......
J. Cent. South Univ. (2012) 19: 1718-1723 DOI: 10.1007/s11771-012-1198-8 Bioleaching of chalcopyrite by Leptospirillum ferriphilum HU Ke-ting(胡可婷), GU Guo-hua(顾帼华), LI Shuang-ke(李双棵), QIU Guan-zhou(邱...: Chalcopyrite oxidation rates were examined under various conditions in the presence of Leptospirillum ferriphilum, in which the effects of different pulp content, inoculation amount, external addition of Fe3......
EPS-contact-leaching mechanism of chalcopyrite concentrates by A. ferrooxidans YU Run-lan(余润兰), TAN Jian-xi(谭建锡), YANG Peng(杨 鹏), SUN Jing(孙 静), OU Yang(欧 阳), XIONG Jing(熊 晶), DAI Yun-jie(戴云杰...; Abstract: The effect of extracelluar polymeric substances(EPS) on the bioleaching chalcopyrite concentrates in the presence of iron- and sulphur-oxidizing bacteria (A. ferrooxidans) was studied......
="ChDivSummary" name="ChDivSummary">Bioleaching of chalcopyrite often encountered the formation of passivation layer,which inhibited the leaching process and resulted in a low leaching rate.This inhibitory effect can be eliminated by thermophilic bioleaching.The industrial test of BioCOP technology based on thermophiles was successfully completed,which confirmed the feasibility of chalcopyrite......
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on chalcopyrite and pyrite flotation GU Guo-hua(顾帼华)1, SUN Xiao-jun(孙小俊)1, 2, LI Jian-hua(李建华)2, HU Yue-hua(胡岳华)1 1. School of Resource Processing and Bio-engineering, Central South University Changsha... in the flotation process of chalcopyrite and pyrite was investigated through flotation experiments, zeta potential measurements and infrared spectrum analysis. Flotation test results indicate that DLZ......
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Bioleaching of two different types of chalcopyrite by Acidithiobacillus ferrooxidansYing-bo Dong1,2,Hai Lin1,2,Kai-bin Fu2,Xiao-fang Xu1,2,Shan-shan Zhou1,21. Key Laboratory of High-Efficient Mining... id="ChDivSummary" name="ChDivSummary">Two different types of chalcopyrite (pyritic chalcopyrite and porphyry chalcopyrite) were bioleached with Acidithiobacillus ferrooxidans ATF6. The bioleaching......
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J. Cent. South Univ. Technol. (2007)04-0474-05 DOI: 10.1007/s11771-007-0092-2 Bioleaching of chalcopyrite by mixed culture of moderately thermophilic microorganisms WU Chang-bin(邬长斌)1,2, ZENG Wei... collected from several sulphide mines in China, and the bioleaching of chalcopyrite was conducted both in shake flask and bioreactor. The results show that in the shake flask, the mixture can......