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Bioleaching of low grade nickel sulfide mineral in column reactor ZHEN Shi-jie(甄世杰)1, 2, QIN Wen-qing(覃文庆)1, YAN Zhong-qiang(闫忠强)2, ZHANG Yan-sheng(张雁生)1, WANG Jun(王 军)1, REN Liu...; Abstract: Jinchuan low grade nickel (0.4%-0.6% Ni, mass fraction) sulfide mineral ore contains a remarkably high content of magnesia (30%-35% MgO, mass fraction) present in the main gangue minerals......
in recovery of low-grade primary copper sulfide ores due to the longer leaching cycle and lower leaching rate. It is well known that chalcopyrite is the main copper mineral in the low-grade primary copper... Catalytic effect of activated carbon on bioleaching of low-grade primary copper sulfide ores ZHANG Wei-min(张卫民)1, GU Shi-fei(谷士飞)2 1. School of Civil and Environmental Engineering, East China......
STUDY ON GREY FORECASTING MODEL OF COPPER EXTRACTION RATE WITH BIOLEACHING OF PRIMARY SULFIDE ORE H.C. Jiang1,B.H. Yang1,A.X. Wu2,Y. Xi3,X.S. Chen1 (1.School of Resources & Safety, Central South... and the modeling process of grey system theory. It was used for forecasting the rate of copper extraction from the primary sulfide ore during a laboratory microbial column leaching experiment......
J. Cent. South Univ. (2020) 27: 1404-1415 DOI: https://doi.org/10.1007/s11771-020-4376-0 Bioleaching of low-grade copper sulfide ore by extremely thermoacidophilic consortia at 70 °C in column... copper minerals. Key words: extreme thermoacidophile; bioleaching; copper sulfide ore; copper resistance; microbial community Cite this article as: AI Chen-bing, LIANG Yu-ting, QIU Guan-zhou, ZENG......
minerals are quartz, gypsum, hematite, and sericite (fine grained mica) in both crystalline and microcrystalline forms. Table 2 shows the mineral composition. Table 1 Chemical composition of copper sulfide... Simulated small-scale pilot heap leaching of low-grade copper sulfide ore with selective extraction of copper QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生), LI Wei-zhong(黎维中), WANG Jun(王 军) School......
Effect of mineral processing wastewater on flotation of sulfide minerals CHEN Jian-ming(陈建明)1, 2, LIU Run-qing(刘润清)1, SUN Wei(孙 伟)1, QIU Guan-zhou(邱冠周)1 1. School of Resource... of mineral processing wastewater on sulfide minerals were investigated by flotation, infrared spectrometry and electrochemistry test. The results show that lead-concentrate water can improve the flotation......
minerals, the semiconductor properties of copper sulfide ores and the common associated mineral pyrite also play an important role in the selective leaching of ores and the optimization of leaching... J. Cent. South Univ. (2020) 27: 1367-1372 DOI: https://doi.org/10.1007/s11771-020-4372-4 Sulfide mineral bioleaching: Understanding of microbe-chemistry assisted hydrometallurgy technology......
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is basically a highly floatable sulfide mineral[1-2]. The most common sulfide collectors, such as xanthates, are known to be absorbed on molybdenite surface, however, they are not necessary for molybdenite... every day. It is known that depressants have played a very important role in the flotation of sulfide minerals in addition to oxide ones. The use of soluble sulfides as the depressants of copper......
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