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and pressure in the presence of oxygen [J]. Hydrometallurgy, 1988, 20(2): 155-167. [25] Lozano L J, Juan D. Leaching of vanadium from spent sulphuric acid catalysts [J]. Minerals Engineering, 2001, 14(5...J. Cent. South Univ. Technol. (2009) 16: 0410-0415 DOI: 10.1007/s11771-009-0069-4 Kinetics of nickel leaching from roasting-dissolving residue of spent catalyst with sulfuric acid FENG Qi-ming......
; Abstract: A dual cell system was used to study the influence of ferric ion on the electrogenerative leaching of sulfide minerals. Reaction mechanisms for the ferric chloride electrogenerative leaching... Y Y, CHEN Y G. Electrogenerative leaching of galena with ferric chloride[J]. Minerals Engineering, 2003, 16(9): 869-872. [7] WANG S F, FANG Z, LONG S. Exploration of electrogenerative leaching......
Fig. 7 Effect of oxygen pressure on Cu, Ni, Fe leaching rate and slag rate 拌速度对铜,镍,铁浸出率及渣率的影响 选取添加精矿150 g(粒径小于43 μm的占有率为93%),液固比8:1,反应时间3 h,添加剂木质素磺酸钙0.6 g,反应温度150 ℃,氧分压0.7 MPa,初始硫酸浓度2 mol/L,控制搅拌... experimental data in rich oxygen leaching experiment 图12 氧压浸出渣不同区域的背散射电子形貌 Fig. 12 Electron morphology(a) of back-scattered map and scanning distribution of elements S(b), Fe(c) and Cu(d) 3  ......
voltage of the leaching cell were measured with a PHS-3C digital acidimeter, the output current with an ampere meter and the concentration of oxygen with a Degussa oxygen meter. All of the measured... with ferric chloride [J]. Minerals Engineering, 2003,16(2): 869-872. [12] XIAO Li, LIU Jian-she, FANG Zheng, QIU Guan-zhou. Factors affecting output powen in electro-generative leaching system......
: 121-129. [4] FARROW J B, RITCHIE I M. The reaction between reduced ilmenite and oxygen in ammonium chloride solutions [J]. Hydrometallurgy, 1987, 18(1): 21-38. [5] LASHEEN T. Chemical beneficiation... 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......
Trans. Nonferrous Met. Soc. China 28(2018) 2125-2134 Effect of ammonium chloride on leaching behavior of alkaline anion and sodium ion in bauxite residue Yi-wei LI1, Jun JIANG1,2, Sheng-guo XUE1,2.../L, leaching rate of soluble sodium was 80.86% with ammonium chloride addition of 0.75%, liquid/solid (L/S) ratio of 3 (mL/g), temperature of 30 °C and reaction time of 18 h; L/S ratio was the main......
J. Cent. South Univ. (2020) 27: 1703-1713 DOI: https://doi.org/10.1007/s11771-020-4401-3 Oxygen pressure acid leaching of artificial sphalerite catalyzed by Fe3+/Fe2+ self-precipitation TIAN Lei(田磊... Abstract: The mechanism of oxygen pressure acid leaching of sphalerite catalyzed by Fe3+/Fe2+ self-precipitation was investigated in this study. Artificial sphalerite was fabricated with varying amounts......
Formation of black nickel in leaching solution containing ammonia and chloride ZHENG Guo-qu(郑国渠), ZHENG Li-feng(郑利峰), CAO Hua-zhen(曹华珍) (College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China) Abstract: The black nickel formation process in leaching solution containing ammonia and chloride was investigated in terms of cyclic......
Leaching Behavior of Complex Copper Sulphide Concentrate with Ferric Chloride by Microwave Irradiation丁伟安摘 要:LeachingBehaviorofComplexCopperSulphideConcentratewithFerricChloridebyMicrowaveIradiationDingWeian(丁伟安)GeneralResearchInstitu...关键词:......
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