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Removal of vanadium from ammonium molybdate solution by ion exchange LI Qing-gang(李青刚)1, 2, ZHANG Qi-xiu(张启修)2, ZENG Li(曾 理)2, XIAO Lian-sheng(肖连生)1, 2, YANG Ya-nan(杨亚男)2 1. State Key Laboratory...; Abstract: The separation techniques of vanadium and molybdenum were summarized, and a new method of removal V(Ⅴ) from Mo(Ⅵ) by adsorption with chelate resin was presented. Nine......
J. Cent. South Univ. (2021) 28: 386-397 DOI: https://doi.org/10.1007/s11771-021-4610-4 Removal of AlN from secondary aluminum dross by pyrometallurgical treatment WANG Jian-hui(王建辉)1, 2, ZHONG Ye... 2021 Abstract: A new process of AlN removal from secondary aluminum dross (SAD) by pyrometallurgical treatment with added cryolite was applied for solving the problem of recycling the secondary......
THE STRUCTURE CONTROL OF ALUMINUM FOAMS PRODUCED BY POWDER COMPACTED FOAMING PROCESS F.Wang1,X.H.You1,L.C.Wang1 (1.Department of Materials Science and Engineering, Taiyuan Heavy Machinery Institute, Taiyuan 030024,China) Abstract:A new technique, powder compact foaming process for the production of aluminum foams has been studied in this article. According to this method, the aluminum powder......
: A hydrometallurgical process for the selective removal of silicon from titanium–vanadium slag by alkaline leaching was investigated. X-ray diffraction, scanning electron microscopy and electron dispersive...–vanadium slag were investigated. The leaching temperature and L/S mass ratio played considerable role in the desilication process. Under the optimal conditions, 88.2% silicon, 66.3% aluminum, 27.3......
: https://doi.org/10.1007/s11771-021-4686-x. 1 Introduction Powder metallurgy (PM) high vanadium high-speed steel (HVHSS) is a hard material with excellent strength and hardness, which is mainly used.... Mechanical and tribological assessments of high-vanadium high-speed steel by the conventional powder metallurgy process [J]. International Journal of Advanced Manufacturing Technology, 2019, 103: 943-955......
fraction) sulphuric acid as stripping agent. After thermal decomposition the purity of powder vanadium pentoxide products is 99.18% and the overall vanadium recovery is over 81% in the whole process... to produce qualified powder vanadium pentoxide. The precipitation yield of vanadium into ammonium vanadate reaches 98.36%, and the composition of the powder vanadium pentoxide is shown Table 5......
, 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... removal; basicity; vanadium distribution ratio; phosphorus distribution ratio......
Characteristics of graphite felt electrode electrochemically oxidized for vanadium redox battery application LI Xiao-gang(李晓刚)1, HUANG Ke-long(黄可龙)1, LIU Su-qin(刘素琴)1, TAN Ning(谭 宁)1, CHEN Li... as electrode for vanadium redox battery was investigated with FT-IR, SEM, XPS, BET, cyclic voltammetry and testing VRB system, respectively. The results show that the molar ratio of O to C increases from 0.085......
Removal of iron and aluminum impurities from metallurgical grade-silicon with hydrometallurgical route YU Zhan-liang(于站良)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian(戴永年)1,2, YANG Bin(杨 斌)1, 2... and aluminum to reduce the production cost is an important process. The influences of acid agents, acid concentration, reaction time and temperature and particle size of raw material ground on the removal......
vanadate was thermally decomposited at 550 ℃ for 2 h to produce qualified powder vanadium pentoxide product with 99.52% in V2O5 content. The composition of powder vanadium pentoxide and product... 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......
