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Cu2+-catalyzed mechanism in oxygen-pressure acid leaching of artificial sphaleriteLei Tian1,2,3,Ao Gong1,Xuan-gao Wu1,Yan Liu4,Zhi-feng Xu1,Ting-an Zhang41. Institute of Green Metallurgy and Process... to study the catalytic mechanism of Cu2+ during the oxygen pressure leaching process of artificial sphalerite. By studying the potential change of the system at different temperatures and the SEM–EDS......
Accelerating leaching of copper ore with surfactant and the analysis of reaction kineticsChun-ming Ai1,2,Ping-ping Sun1,Ai-xiang Wu2,Xun Chen2,Chao Liu31. College of Safety Science and Engineering...:To solve the problem of low permeability and lower extraction rates of high-mud ores, a surfactant was added as a penetrant to the pregnant leaching......
Microwave assisted atmospheric acid leaching of nickel from laterite oreCHE Xiaokuia,b,SU Xiuzhuc,CHI Ru’anc,and YU Junxiac a College of Resources and Civil Engineering,Northeastern University... was higher than that obtained by conventional water bath heating.Kinetic experiments showed that the leaching of nickel in a sulphuric acid medium was controlled by chemical reaction occurring......
Behavior of leaching and precipitation of weathering crust ion-absorbed type by magnetic field邱廷省,方夕辉,崔立凤,房艳霞摘 要:With weathering crust Ion-Absorbed Type Rare Earth (IATRE) ores in southern Jiangxi as an example, rare earth percolation leaching and leaching solution precipitation process research were carried out under conditions of magnetic field......
An investigation of oxygen pressure acid leaching of Gacun complex Cu-Pb bulk concentrateXU Bina,b,ZHONG Hongc,and JIANG Taoa a School of Resources Processing and Bioengineering,Central South... id="ChDivSummary" name="ChDivSummary">The treatment of the Gacun complex Cu-Pb bulk concentrate with high Zn,Ag,etc.,by oxygen pressure acid leaching was studied.The pri-mary copper and leadminerals......
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; 文献标志码:A 文章编号:1672-7207(2014)02-0356-05 Leaching of Ag from residue containing silver with sodium sulfite... 410015, China) Abstract: Pretreatment with dilute nitric acid-leaching with sodium sulfite process was adopted to recover silver from silver separating residue. The effects of the concentration......
Mineral properties and leaching characteristics of volcanic weathered crust elution-deposited rare earth ore冯宗玉2,董金诗2,孟祥龙2,肖燕飞2,刘向生22. National Engineering Research Center for Rare Earth Materials... properties and leaching characteristics of volcanic weathered crust elution-deposited rare earth ore from Chongzuo(CZ), Guangxi province were investigated. It was found that the CZ rare earth ore......
Leaching of lead from zinc leach residue in acidic calcium chloride aqueous solutionLe Wang1,Wen-ning Mu2,Hong-tao Shen2,Shao-ming Liu1,Yu-chun Zhai11. School of Materials and Metallurgy... study on the leaching of lead from zinc leach residue using acidic calcium chloride aqueous solution. Six main process conditions, i.e., the solution p H value, stirring rate, concentration of Ca Cl2......
Alkaline pressure oxidative leaching of bismuth-rich and arsenic-rich lead anode slimeYun-long He1,Rui-dong Xu1,2,Shi-wei He1,Han-sen Chen1,Kuo Li1,Yun Zhu1,Qing-feng Shen11. Faculty of Metallurgical...:A new alkaline pressure oxidative leaching process(with NaNO3 as the oxidant and NaOH as the alkaline reagent) is proposed herein to remove arsenic, antimony......