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Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2 Sun Shuchen1,Bian Xue1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Materials & Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means of TG-DTA method. The relationship among......
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Decomposition Reaction of Mixed Rare Earth Concentrate and Roasted with CaO and NaCl Chen Xudong1,Sun Shuchen1,HU Guangyong1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Material and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The reaction of the mixed rare earth concentrate including monazite ( REPO4 ) and bastnaesite ( REFCO3 )decomposed by CaO and NaCl additives......
J. Cent. South Univ. (2021) 28: 679-689 DOI: https://doi.org/10.1007/s11771-021-4637-6 Scandium recovery from ion-adsorption rare earth concentrate with HEHEHP as extractant ZHANG Wei(张伟)1, ZHU Hao... process between P=O and Sc, with 6 molecules of extractant as dimer participating in the process. Finally, a flowsheet for the recovery of Sc from ion-adsorption rare earth elements (REEs) concentrate......
the decomposed procedure of rare earth phosphates, was investigated by X-ray diffraction , electron probe, TG method and chemical analysis. The results show that rare earth phosphates in monazite concentrate... into air in simple form. Key words:rare earths; monazite; carbon reduction; rare earth phosphates; rare earth silicate alloys; [全文内容正在添加中] ......
Decomposition of the mixed rare earth concentrate by microwave-assisted method黄宇坤,张廷安,刘江,豆志河,田俊行Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education,School of Materials & Metallurgy,Northeastern University摘 要:A novel process was proposed to strengthen the decomposition of the mixed rare earth concentrate......
Decomposition of the mixed rare earth concentrate by microwave-assisted method黄宇坤,张廷安,刘江,豆志河,田俊行Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education,School of Materials & Metallurgy,Northeastern University摘 要:A novel process was proposed to strengthen the decomposition of the mixed rare earth concentrate......
Mixed rare earth concentrate leaching with HCl-AlCl3 solutionMei Li1,2,Xiao-Wei Zhang1,2,Zhao-Gang Liu1,Mi-Tang Wang2,Jia Liu2,Jian-Ping Yang21. College of Materials Science and Engineering, Beijing... and Application of Rare摘 要:A method of Baotou mixed rare earth concentrate leaching was investigated. According to the principle of complex leaching, the quadratic......
% and rare earth is 90.56% in phosphorus concentrate when calcined temperature is 900 ℃, other conditions include: calcined time is 30 min, digestion water volume is 300 ml, digestion time is 20 min.The...Calcination-Digestion-Desliming of Phosphorus Ore Bearing Rare Earth Wang Jing1,Zhang Qin1,Zhang Jie1,Qiu Yue qin1 (1.Guizhou University of Technology, Guiyang 550003, China) Abstract......
compound. The decomposition ratio of the mixed rare earth minerals reaches 90.8% at 700 ℃. Key words: mixed rare earth concentrate; decomposition reaction; CaO; NaCl; CaCl2 ... composition is listed in Table 1. All reagents in the experiment were in analytically pure grade. Table 1 Composition of mixed rare earth concentrate (mass fraction, %) 2.2 Experimental process......
