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Leaching of low grade zinc oxide ores in Ida2--H2O system DOU Ai-chun, YANG Tian-zu, YANG Ji-xing, WU Jiang-hua, WANG An School of Metallurgical Science and Engineering, Central South University.... The effects of leaching time, liquid-solid ratio (L/S), total concentration of Ida2- ([Ida2-]T), leaching temperature and pH on Zn leaching recovery and the dissolution of impurities such as Ca, Mg, Cu, Ni, Fe......
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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......
J. Cent. South Univ. (2016) 23: 1032-1039 DOI: 10.1007/s11771-016-0352-0 Optimization and mechanism of surfactant accelerating leaching test AI Chun-ming(艾纯明)1, WU Ai-xiang(吴爱祥)2, WANG Yi-ming(王贻明)2... and Technology Beijing, Beijing 100083, China Central South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: To solve the problem of slow leaching speed of copper, surfactant was added......
J. Cent. South Univ. (2012) 19: 2440-2446 DOI: 10.1007/s11771-012-1294-9 Leaching process of selenium residue LI Qian(李倩)1, ZHANG Bao(张宝)1, MIN Xiao-bo(闵小波)1, SHEN Wen-qian(申文前)2 1. School... South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: A thermodynamics analysis on the leaching process of selenium residue and discussion on the behaviors of aqueous ionic......
Leaching process of germanium oxide dustLIANG Jiea, b and WANG Huaa a Department of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China b Chemistry Department, Bijie University, Bijie 551700, China摘 要:A thermodynamic analysis on the acid leaching process of germanium oxide dust and discussion......
Leaching behavior of metals from limonitic laterite ore by high pressure acid leaching GUO Xue-yi, SHI Wen-tang, LI Dong, TIAN Qing-hua School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China Received 5 February 2010; accepted 8 April 2010 Abstract: The leaching behavior of metals from a nickeliferous limonitic laterite ore was investigated by high......
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J. Cent. South Univ. (2020) 27: 2249-2258 DOI: https://doi.org/10.1007/s11771-020-4446-3 Separation of silicon and iron in copper slag by carbothermic reduction-alkaline leaching process WANG Hong... into free quartz solid solution (QSS) and cristobalite solid solution (CSS). QSS and CSS are readily soluble, whereas metallic iron is insoluble, in NaOH solution. Under optimal leaching conditions, a residue......