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J. Cent. South Univ. (2017) 24: 311-317 DOI: 10.1007/s11171-017-3432-5 Vanadium extraction from vanadium-bearing titanomagnetite by selective chlorination using chloride wastes (FeClx) ZHENG Hai-yan.... Northwest Institute for Non-ferrous Metal Research, Xi’an 710016, China Central South University Press and Springer-Verlag Berlin Heidelberg 2017 Abstract: Vanadium extraction of vanadium-bearing......
Vanadium extraction and dephosphorization from V-bearing hot metal with fluxes containing CaOWANG Yan-nan(王艳南)1, 2, SONG Wen-chen(宋文臣)1, 2, LI Hong(李宏)1, 2(1. State Key Laboratory of Advanced..., respectively. The results of the formal experiments suggest that making basic slag can extract vanadium and remove phosphorus simultaneously. The vanadium extraction rate (ηV) and phosphorus removal rate......
Extracting vanadium from stone-coal by oxygen pressure acid leaching and solvent extraction DENG Zhi-gan(邓志敢), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Min-ting(李旻廷), LI Cun-xiong(李存兄), LI... ____________________________________________________________________________________________ Abstract: Vanadium extraction from stone-coal was investigated by oxygen pressure acid leaching and solvent extraction......
under atmospheric pressure, the vanadium separation from leachate by solvent extraction and stripping, followed by precipitation of ammonium vanadate and thermal decomposition. Under the optimum... extraction is achieved. The vanadium extraction yields of solvent and stripping are 99.83% and 97.66% when using 10% (volume fraction) P204, 5% TBP and 85% sulfonated berosene as organic phase and 15% (mass......
Pressure acid leaching of black shale for extraction of vanadium LI Min-ting(李旻廷), WEI Chang(魏 昶), FAN Gang(樊 刚), LI Cun-xiong(李存兄),DENG Zhi-gan(邓志敢), LI Xin-bin(李兴彬) Faculty of Metallurgical... ____________________________________________________________________________________________ Abstract: Extraction of vanadium from black shale was attempted in pressure acid leaching. The chemical components of the sample obtained from Guizhou Province of China......
J. Cent. South Univ. Technol. (2011) 18: 1940-1944 DOI: 10.1007/s11771-011-0926-9 Extraction of vanadium from stone coal by modified salt-roasting process WANG Ming-yu(王明玉), WANG Xue-wen(王学文), SHEN.... More than 87% vanadium existing in stone coal, is widely deposited around the Southern China [1]. With the rapid growth of vanadium products demand, the study on extraction of V2O5 from stone coal......
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... of the concentration of Cyanex 923 and the pH of the solution were studied. The extraction of vanadium(V) increases with the increase of Cyanex 923 concentration and shaking time. Cyanex 923 can extract......
Effects of the mineral phase and valence of vanadium on vanadium extraction from stone coalYang-jia Hu 1),Yi-min Zhang 1,2),Shen-xu Bao 1,2),and Tao Liu 1,2) 1) College of Resources and Environmental...">The influence of roasting on the leaching rate and valence of vanadium was evaluated during vanadium extraction from stone coal.Vanadium in stone coal is hard to be leached and the leaching rate......
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......
Extraction of vanadium from vanadium slag by high pressure oxidative acid leachingGuo-quan Zhang,Ting-an Zhang,Guo-zhi Lü,Ying Zhang,Yan Liu,Zhuo-lin LiuKey Laboratory of Ecological Utilization of Multi-Metal Intergrown Ores of the Ministry of Education,School of Materials and Metallurgy,Northeastern University摘 要:To extract vanadium in an environment......