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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......
Intensification of pretreatment and pressure leaching of copper anode slime by microwave radiationYANG Hong-ying(杨洪英)1, MA Zhi-yuan(马致远)1, 2, HUANG Song-tao(黄松涛)2, LV Yang(吕阳)1, XIONG Liu(熊柳)1(1... 100088, China)Abstract:The application of microwave irradiation for pretreatment of copper anode slime with high nickel content prior to pressure sulfuric acid leaching has been proposed. The microwave......
J. Cent. South Univ. Technol. (2008) 15: 824-829 DOI: 10.1007/s11771-008-0152-2 Selective leaching of chromium-containing slag by HCl YANG Zhi-hui(杨志辉), CHAI Li-yuan(柴立元), WANG Yun-yan(王云燕... of Cr(Ⅵ) concentration leached out from chromium-containing slag with HCl as leaching agent, and to study influences of pH, ratio of solid mass to solution volume, flow velocity and temperature on Cr......
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Kinetics study of leaching arsenic from Ni-Mo ore roasting in dust mixture of hydrochloric and sulfuric acidsHOU Xiao-chuan(侯晓川)1, 2, YANG Yun-de(杨润德)1, LI He(李贺)1, ZENG-li(曾理)2, XIAO Lian-sheng(肖连生... of leaching arsenic from Ni-Mo ore roasting dust was investigated. The effects including leaching temperature, particle size of the smelter dust, stirring speed, the coef?cient β (the molar ratio of sodium......
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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... for tungsten extraction and recovery from scheelite is reported. The technology includes leaching scheelite using phosphoric acid as chelating agent in nitric acid solutions, extracting tungsten......
Trans. Nonferrous Met. Soc. China 31(2021) 817-831 Leaching performance of Al-bearing spent LiFePO4 cathode powder in H2SO4 aqueous solution Wen-bo LOU1,2, Yang ZHANG2, Ying ZHANG2, Shi-li ZHENG2.... Faculty of Chemistry and Food Chemistry, Technische Universitat Dresden, Dresden 01062, Germany Received 30 March 2020; accepted 30 November 2020 Abstract: The leaching performance and leaching......