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Bioleaching of complex polymetallic sulfide ores by mixed cultureWANG Jun(王军)1, 2, ZHAO Hong-bo(赵红波)1, 2, QIN Wen-qing(覃文庆)1, 2, QIU Guan-zhou(邱冠周)1, 2(1. Key Laboratory of Biohydrometallurgy... minerals and polymetallic sulfide ores was operated in shake flasks and small-scaled columns. The results show that bioleaching of jamesonite is not accessible, the iron extraction rate of pyrrhotite......
Coupling leaching of sphalerite concentrate PENG Peng(彭 鹏)1, 2, XIE Hui-qin(谢惠琴)1, LU Li-zhu(卢立柱)1 (1. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China; 2. Engineering Command Institute of Chemical Defence, Beijing 102205, China) Abstract: Coupling process of sphalerite concentrate leaching in H2SO4-HNO3 and tetrachloroethylene extracting of sulfur......
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J. Cent. South Univ. Technol. (2008) 15: 503-507 DOI: 10.1007/s11771-008-0095-7 Bioleaching of sphalerite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans cultured in 9K medium... medium modified with pyrrhotite was studied. Bioleaching of flotation concentrate of sphalerite by the selected bacteria was carried out. The results show that the microorganisms cultured by pyrrhotite......
J. Cent. South Univ. (2020) 27: 288-310 DOI: https://doi.org/10.1007/s11771-020-4296-z Order of sphalerite and galena precipitation: A case study from lead-zinc deposits in southwest China ZHANG... puce sphalerite; I-2: brown sphalerite, galena, and ferro-dolomite; I-3: galena, sandy beige and pale yellow sphalerite, and calcite; and I-4: fine-grained pyrite, dolomite, and calcite. Among them......
Article ID: 1003-6326(2005)03-0697-05 Kinetics of oxidative leaching of ocean polymetallic nodules in molten potassium hydroxide medium WANG Yun-shan(王云山), LI Zuo-hu(李佐虎), LI Hao-ran(李浩然... polymetallic nodules in molten potassium hydroxide medium was investigated in terms of the gas-flow rate, stirring rate, reaction time, reaction temperature and partial pressure of oxygen on the ratio......
Kinetic study on pressure leaching of high iron sphalerite concentrate XIE Ke-qiang(谢克强)1, YANG Xian-wan(杨显万)1, WANG Ji-kun(王吉坤)2, YAN Jiang-feng(阎江峰)2, SHEN Qing-feng(沈庆峰)2 1. Faculty...; Abstract: The kinetics of pressure leaching high iron sphalerite concentrate was studied. The effects of agitation rate, temperature, oxygen partial pressure, initial acid concentration, particle size......
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