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J. Cent. South Univ. (2020) 27: 1424-1431 DOI: https://doi.org/10.1007/s11771-020-4378-y Modeling heap biooxidation of arsenic-bearing gold ore LI Jia-feng(李佳峰)1, ZHONG Shui-ping(衷水平)2, TONG Lin..., part of Springer Nature 2020 Abstract: To design heap biooxidation process, it is necessary to understand its internal rules. The heap biooxidation of gold ore from Anhui province was researched......
Solvent extraction of vanadium from sulfuric acid solutionWANG Mingyu, ZHANG Guiqing, WANG Xuewen, and ZHANG Jialiang School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China摘 要:The behaviour of vanadium(V) extracted from sulfuric acid solution was investigated using Cyanex 923 as an extractant. The effects......
Leaching of nickel-molybdenum sulfide ore in membrane biological reactor CHEN Jia-wu1, 2, GAO Cong-jie1, ZHANG Qi-xiu1, XIAO Lian-sheng1, ZHANG Gui-qing1 1. School of Metallurgical Science... 2010; accepted 21 October 2010 Abstract: The bioleaching of molybdenum from its sulfide ore using a Mo-resistant thermophilic bacterium sulfolobus metallics combined with a membrane biological......
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... of stone coal, and two-stage counter-current leaching on the vanadium leaching ratio were studied. The results show that the vanadium leaching ratio of roasted stone coal through two-stage counter......
Bioleaching of vanadium from barren stone coal and its effect on the transition of vanadium speciation and mineral phaseXin Wang1,2,Hai Lin3,2,Ying-bo Dong3,2,Gan-yu Li1,21. School of Civil..., University of Science and Technology Beijing摘 要:This study determined the optimal conditions required to obtain maximum vanadium extraction and examined......
Studies on Sulfating Roasting Process for Mianning Bastnasite and Baotou Mixed RE Concentrate Ore Miao Guangli1 (1.Gansu Rare Earth Company, Baiyin 730922, China) Abstract:Some processes of sulfating roasting and water leaching of crude Mianning RE concentrate ore, of fine Mianning RE concentrate ore, of Baotou RE concentrate ore and of their mixture were investigated.The result shows......
Roasting and leaching behaviors of vanadium and chromium in calcification roasting–acid leaching of high-chromium vanadium slagJing Wen1,Tao Jiang1,2,Mi Zhou1,2,Hui-yang Gao1,Jia-yi Liu1,Xiang-xin...–acid leaching of high-chromium vanadium slag(HCVS)was conducted to elucidate the roasting and leaching behaviors of vanadium and chromium.The effects of the purity of Ca O,molar ratio between Ca O......
J. Cent. South Univ. (2012) 19: 2291-2296 DOI: 10.1007/s11771-012-1274-0 Action rules of H2 and CO in gas-based direct reduction of iron ore pellets YI Ling-yun(易凌云)1, HUANG Zhu-cheng(黄柱成)1, PENG Hu... University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The gas-based direct reduction of iron ore pellets was carried out by simulating the typical gas composition in coal gasification......
Magnetizing Roasting Mechanism and Effective Ore Dressing Process for Oolitic Hematite Ore余永富College of Resources and Environment al Engineering,Wuhan University of Technology摘 要:Magnetizing roasting of oolitic hematite ore from western Hubei Province was investigated.The mechanism for reduction roasting of oolitic hematite ore was discussed......
Direct electrochemical reduction of solid vanadium oxide to metal vanadium at low temperature in molten CaCl2-NaClZhuo-fei Cai, Zhi-mei Zhang, Zhan-cheng Guo, and Hui-qing Tang State Key Laboratory... as the cathode and the anode, respectively; a molten CaCl2-NaCl salt was used as the electrolyte. Then, V2O5 was directly reduced to metal vanadium by the Fray-Farthing-Chen (FFC) method at 873 K to realize......