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J. Cent. South Univ. (2020) 27: 1416-1423 DOI: https://doi.org/10.1007/s11771-020-4377-z Well-controlled stirring tank leaching to improve bio-oxidation efficiency of a high sulfur refractory gold... refractory gold concentrate with 41.82% sulfur and 15.12 g/t gold, of which 82.11% was wrapped in sulfide, a well-controlled stirring tank leaching was carried out to improve the bio-oxidation......
J. Cent. South Univ. Technol. (2011) 18: 848-853 DOI: 10.1007/s11771-011-0772-9 Simulation of pore scale fluid flow of granular ore media in heap leaching based on realistic model YANG Bao-hua(杨保... and pressure were analyzed. The simulation results show that there exist obvious preferential flow and leaching blind zone in each granular medium. The flow velocity at pore throat is larger than......
J. Cent. South Univ. (2020) 27: 3278-3289 DOI: https://doi.org/10.1007/s11771-020-4546-0 Cations stress on low-grade nickel sulfide ore oxidation leaching KANG Jin-xing(康金星), WANG Xin(王鑫), WANG Ya... stress of magnesium ion and sodium ion on the low-grade nickel sulfide ore oxidative leaching in simulated sulfuric acid solutions were investigated. This study was performed in two courses, including......
Effect of Na2O on alumina leaching property and phase transformation of MgO-containing calcium aluminate slags WANG Bo, SUN Hui-lan, GUO Dong, ZHANG Xue-zheng School of Materials Science... aluminate slags, the method of adding Na2O into calcium aluminate slags was studied and its effect on leaching mechanism was also analyzed. The results show that the alumina leaching efficiency......
Leaching of complex sulphide concentrate in acidic cupric chloride solutions M. TCHOUMOU1, M. ROYNETTE2 1. Faculty of Science, Marien Ngouabi University, Brazzaville, Congo; 2. Laboratory... not be detected with X-ray diffraction. The cupric chloride leaching of the sulphide concentrate at various durations and solid/liquid ratios at 100 ℃ shows that the rate of dissolution of the ore......
Kinetics study on leaching of rare earth and aluminum from polishing powder waste using hydrochloric acidXitao Wu1,Zhijian Wang1,Chuping Xia1,Xuefeng Shi1,Tianzong Luo1,Xinjun Bao2,Rongli...:In this study,a novel hydrometallurgical process consisting of hydrochloric acid three-stage countercurrent leaching and solvent extraction was proposed......
Kinetics study on leaching of rare earth and aluminum from polishing powder waste using hydrochloric acidXitao Wu1,Zhijian Wang1,Chuping Xia1,Xuefeng Shi1,Tianzong Luo1,Xinjun Bao2,Rongli...:In this study,a novel hydrometallurgical process consisting of hydrochloric acid three-stage countercurrent leaching and solvent extraction was proposed......
Ultra fast microwave-assisted leaching for the recovery of copper and tellurium from copper anode slimeZhi-yuan Ma1,2,Hong-ying Yang1,Song-tao Huang2,Yang Lü1,Liu Xiong11. School of Materials...">The decomposition of copper anode slime heated by microwave energy in a sulfuric acid medium was investigated. Leaching experiments were carried out in a multi-mode cavity with microwave assistance. The leaching......
Effects of mechanical activation and oxidation-reduction on hydrochloric acid leaching of Panxi ilmenite concentration TAN Ping1, HU Hui-ping2, ZHANG Li2 1. Department of Biological and Chemical... November 2010; accepted 14 April 2011 Abstract: The effects of oxidation-reduction treatment and mechanical activation on the hydrochloric acid leaching performance of Panxi ilmenite concentration were......
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