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Pressure leaching of zinc silicate ore in sulfuric acid medium LI Cun-xiong(李存兄), XU Hong-sheng(徐红胜), DENG Zhi-gan(邓志敢), LI Xing-bin(李兴彬), LI Ming-tin(李旻廷), WEI Chang(魏 昶) Faculty... and the results showed that zinc exists mainly as hemimorphite and smithsonite in the sample. Sulfuric acid pressure leaching of zinc silicate ore was carried out to assess the effect of particle size, sulfuric......
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: Sulfuric acid leaching......
Sulfuric acid leaching of high iron-bearing zinc calcineJin-lin Yang1,2,Ji-guang Liu1,Han-xin Xiao1,Shao-jian Ma1,21. College of Resources,Environment and Materials,Guangxi University2. Ministry...="ChDivSummary" name="ChDivSummary">Sulfuric acid leaching of high iron-bearing zinc calcine was investigated to assess the effects of sulfuric acid concentration, liquid-to-solid ratio, leaching time, leaching......
Leaching vanadium by high concentration sulfuric acid from stone coal CHEN Xiang-yang(陈向阳)1, 2, LAN Xin-zhe(兰新哲)1, 2, ZHANG Qiu-li(张秋利)1, MA Hong-zhou(马红周)1, ZHOU Jun(周 军)1 1. School... from stone coals by high concentration sulfuric acid was researched. The effect of the concentration of sulfuric acid, leaching temperature, leaching time and helper leaching agent on the extraction......
Leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium peroxodisulfate as oxidantLIU Zhi-xiong(刘志雄)1, YIN Zhou-lan(尹周澜)2, CHEN Yi-guang(陈义光)3, XIONG Li-zhi(熊利芝)3(1.... College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China)Abstract:The leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium......
J. Cent. South Univ. (2020) 27: 27-36 DOI: https://doi.org/10.1007/s11771-020-4275-4 Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid WANG Hai-dong(王海东)1... shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for the fluorine-based chemical......
activation was employed during the leaching(mechanochemical leaching) of chalcopyrite concentrates in a sulfuric acid medium at room temperature and atmospheric pressure. High energy ball milling process...Mechanochemical leaching of chalcopyrite concentrate by sulfuric acidFarhad Khorramshahi Mohammadabad1,Sina Hejazi2,Jalil Vahdati khaki1,Abolfazl Babakhani11. Materials and Metallurgical Engineering......
Reductive leaching of indium from the neutral leaching residue using oxalic acid in sulfuric acid solutionF.Maddah,M.Alitabar,H.YoozbashizadehDepartment of Materials Science and Engineering, Sharif University of Technology摘 要:The present study evaluates the reductive leaching of indium from indium-bearing zinc ferrite using oxalic acid as a reducer......
Sulfuric acid leaching kinetics of South African chromiteQing Zhao1,2,Cheng-jun Liu1,Pei-yang Shi1,Bo Zhang1,Mao-fa Jiang1,Qing-song Zhang1,Ron Zevenhoven2,Henrik Saxén21. Key Laboratory...">The sulfuric acid leaching kinetics of South African chromite was investigated. The negative influence of a solid product layer constituted of a silicon-rich phase and chromium-rich sulfate......
Leaching of vanadium from stone coal with sulfuric acidWANG Mingyu, XIAO Liansheng, LI Qinggang, WANG Xuewen, and XIANG Xiaoyan School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China摘 要:The effects of roasting, mass ratio of H2SO4 to stone coal, leaching temperature, liquid-to-solid ratio, grinding fineness......
