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Study of spent battery material leaching process LI Jin-hui(李金辉)1, 2, LI Xin-hai(李新海)1, ZHANG Yun-he(张云河)1, HU Qi-yang(胡启阳)1, WANG Zhi-xing(王志兴)1, ZHOU You-yuan(周友元)1, FU Fang-ming(符芳铭)1 1... of 120 μm for the exhausted scraps, molar ratio of H2O2 to MeS of 2, leaching temperature about 60 ℃, ratio of liquid to solid of 8, and leaching time of 2 h. The NixCoyMnz precursor for cathode material......
Investigation on microwave heating for direct leaching of chalcopyrite ores and concentratesKubra Onol,Muhlis Nezihi SaridedeDepartment of Metallurgical and Materials Engineering, Faculty... of microwave heating on the direct leaching of chalcopyrite ores and concentrates were investigated. The results of microwave leaching experiments were compared with those obtained under conventional......
Extraction of vanadium from high calcium vanadium slag using direct roasting and soda leachingXin-sheng Li and Bing Xie College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China摘 要:The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxidation process......
Microbial leaching of marmatite by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans WANG Jun(王 军), QIU Guan-zhou(邱冠周), QIN Wen-qing(覃文庆), ZHANG Yan-sheng(张雁生) School... was studied. After leaching for 29 days, the leaching ratio of zinc was 91%. Three kinds of bacteria, mixture-based bacteria, 9K-based bacteria and sulfur-based bacteria were used in marmatite leaching......
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Kinetics of acid-oxygen leaching of low-sulfur Ni-Cu matte at atmospheric pressure FAN Chuan-lin(范川林), LI Bin-chuan(李斌川), FU Yan(符 岩), ZHAI Xiu-jing(翟秀静) School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China Received 6 July 2009; accepted 5 January 2010 Abstract: The leaching of low-sulfur Ni-Cu matte in acid-oxygen (CuSO4-H2SO4-O2) solution......
gel will be generated and cover the surface of the unreacted particle. The product layer behaves as barriers for the scheelite leaching and decrease the direct contact between the fluid reactants...J. Cent. South Univ. (2016) 23: 1312-1317 DOI: 10.1007/s11771-016-3181-2 Coordination leaching of tungsten from scheelite concentrate with phosphorus in nitric acid ZHANG Wen-juan(张文娟)1, YANG Jin......
J. Cent. South Univ. (2016) 23: 2214-2222 DOI: 10.1007/s11771-016-3279-6 Germanium separation and purification by leaching and precipitation Saeid Bayat, Sajjad Aghazadeh, Mohammad Noaparast, Mahdi... of germanium, iron, lead, and zinc within the leaching residue were 105×10-6, 3.53%, 10.35%, and 8.8%, respectively. XRD results indicate that the main minerals were in different forms of sulfates (CaSO4......
is propitious for leaching. The leaching speed has direct proportion to the reciprocal value of ore granularity when the leaching speed accords with the regularity of core shrinkage model. So... Kinetic process of oxidative leaching of chalcopyrite under low oxygen pressure and low temperature QIU Ting-sheng(邱廷省)1, NIE Guang-hua(聂光华)2, WANG Jun-feng(王俊峰)1, CUI Li-feng(崔立凤)1 1. School......
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......
