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J. Cent. South Univ. (2017) 24: 2245-2252 DOI: https://doi.org/10.1007/s11771-017-3634-2 Effect of ultraviolet mutagenesis on heterotrophic strain mutation and bioleaching of low grade copper ore WU... 2017 Abstract: The effect of ultraviolet mutagenesis on a heterotrophic strain (Providencia JAT-1) mutation was studied and bioleaching of low grade copper ore with mutant bacteria was investigated......
Dissolution kinetics of low grade complex copper ore in ammonia-ammonium chloride solution LIU Wei(刘 维), TANG Mo-tang(唐谟堂), TANG Chao-bo(唐朝波), HE Jing(何 静), YANG Sheng-hai(杨声海),YANG Jian-guang(杨建... complex copper ore was investigated in ammonia-ammonium chloride solution. The concentration of ammonia and ammonium chloride, the ore particle size, the solid-to-liquid ratio and the temperature......
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...; Abstract: The bioleaching of low-grade copper sulfide ore and the selective......
J. Cent. South Univ. Technol. (2009) 16: 0936-0941 DOI: 10.1007/s11771-009-0156-6 Technological conditions and kinetics of leaching copper from complex copper oxide ore SUN Xi-liang(孙锡良)1, 2...; Abstract: The kinetic behavior of leaching copper from low grade copper oxide ore was investigated. The effects of leaching temperature, H2SO4......
J. Cent. South Univ. (2012) 19: 77-84 DOI: 10.1007/s11771-012-0975-8 Leaching kinetics of low-grade copper ore with high-alkality gangues in ammonia-ammonium sulphate solution LIU Zhi-xiong(刘志雄)1, 2... Engineering, Jishou University, Jishou 416000, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The leaching kinetics of low-grade copper ore with high-alkality......
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..., China) Abstract:A model GM (grey model) (1,1) for forecasting the rate of copper extraction during the bioleaching of primary sulphide ore was established on the basis of the mathematical theory......
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......
Well-controlled column bioleaching of a low-grade copper ore by a novel equipmentWANG Jun(王军)1, 2, HU Ming-hao(胡明皓)1, 2, ZHAO Hong-bo(赵红波)1, 2, TAO Lang(陶浪)1, 2, GAN Xiao-wen(甘晓文)1, 2, QIN Wen-qing... (Central South University), Changsha 410083, China)Abstract:For the low-grade copper sulfide ores with 0.99% of copper, of which 41.5% was primary copper sulfide, and 54.5% was secondary copper sulfide......
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thiooxidans were investigated, and then experiments were conducted to research the bioleaching behaviors of crude ore of copper sulfide and hand-picked concentrates of chalcopyrite by Acidithiobacillus... that the bioleaching recovery reaches nearly 45% after 75 days.Key words:biohydrometallurgy; chalcopyrite; Acidithiobacillus ferrooxidans; Acidithiobacillus thiooxidans; copper sulfide ore......