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Effect of vanadium occurrence state on the choice of extracting vanadium technology from stone coalWANG Mingyu XIANG Xiaoyan ZHANG Liping XIAO Liansheng School of Metallurgical Science and Engineering,Central South University,Changsha 410083,China摘 要:<正>The extraction technology of vanadium from stone coal by means of no-salt-roasting and dilute......
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......
, the synthesized MgNH4PO4/MgHPO4 compound exhibited well doping effect. Key words: lithium vanadium phosphate; Mg-doping; cathode materials; carbothermic reduction 1 Introduction Lithium-ion...], and this improves the electronic conductivity in the lithium vanadium phosphate material. However, trace impurity was found in sample with x=0.2, which indicated that the upper limit for Mg doping is about x=0.2.......
J. Cent. South Univ. Technol. (2009) 16: 0558-0562 DOI: 10.1007/s11771-009-0093-4 Alkaline treatment kinetics of calcium phosphate by piezoelectric quartz crystal impedance ZENG Li-ping(曾丽萍)1...; Abstract: Calcium phosphate film was prepared by electrochemical deposition technology. Subsequently, the alkaline treatment process of calcium......
)06-1011-06 Research on PVA-ZrP composite membrane as separator in all vanadium redox flow battery SANG Shang-bin1, HUANG Ke-long1, SHI Rui-cheng2, WANG Xiao-bo1 (1. School of Chemistry and Chemical... in a current density range of 0~70 mA/cm2 and its vanadium ions permeability were investigated. IR research shows that the microstructure transformation of PVA occurs as a result of the interaction between......
Effects of RE and Vanadium on Microalloyed Steel 王怀斌1,贾连弟1,唐历1,林勤2,宋波2,卢先利3 (1.Panzhihua Iron and Steel (Group;2.Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China;3.The Chinese Society of Rare Earths, Beijing 100081, China) Abstract:The effects of RE were studied by TEM, SEM, ICP and thermal simulation methods in vanadium microalloyed steel......
J. Cent. South Univ. (2012) 19: 1711-1717 DOI: 10.1007/s11771-012-1197-9 Adsorption mechanism of mixed salicylhydroxamic acid and tributyl phosphate collectors in fine cassiterite electro-flotation... ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: Two reagents including salicylhydroxamic acid (SHA) and tributyl phosphate (TBP) were tested as collectors either......
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Vanadium recovery from clay vanadium mineral using an acid leaching methodLI Haoran~a FENG Yali~b LIANG Jianglong~a LUO Xiaobing~b DU Zhuwei~a ~a State Key Laboratory of Biochemical Engineering...="ChDivSummary" name="ChDivSummary"><正>A technique including direct acid leaching,vanadium precipitation with alkaline,sodium hydroxide releaching,impurity removing by ad- justing pH value......
J. Cent. South Univ. Technol. (2009) 16: 0758-0762 DOI: 10.1007/s11771-009-0126-z Bioleaching of soluble phosphorus from rock phosphate containing pyrite with DES-induced Acidithiobacillus... Institute of Technology, Wuhan 430073, China; 2. Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Wuhan Institute of Technology, Wuhan 430073, China; 3. Yunnan Phosphate......
