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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......
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......
High temperature dephosphorus behavior of Baotou mixed rare earth concentrate with carbon邢鹏飞,李峰,郭菁,涂赣峰School of Materials and Metallurgy,Northeastern University摘 要:Based on the carbothermal reduction technology applied in industry,the dephosphorization behavior of Baotou mixed rare earth concentrate(Baotite) with carbon at high temperature......
High temperature dephosphorus behavior of Baotou mixed rare earth concentrate with carbon邢鹏飞,李峰,郭菁,涂赣峰School of Materials and Metallurgy,Northeastern University摘 要:Based on the carbothermal reduction technology applied in industry,the dephosphorization behavior of Baotou mixed rare earth concentrate(Baotite) with carbon at high temperature......
of nitric acid leaching of cerium was investigated for the oxidation roasted Baotou mixed rare earth concentrate. The effects of leaching temperature, HNO3 concentration, liquidesolid ratio(L/S)and stirring...Kinetics of nitric acid leaching of cerium from oxidation roasted Baotou mixed rare earth concentrateKai Li1,2,Ji Chen1,Dan Zou1,Tianchi Liu1,2,Deqian Li11. State Key Laboratory of Rare Earth......
of nitric acid leaching of cerium was investigated for the oxidation roasted Baotou mixed rare earth concentrate. The effects of leaching temperature, HNO3 concentration, liquidesolid ratio(L/S)and stirring...Kinetics of nitric acid leaching of cerium from oxidation roasted Baotou mixed rare earth concentrateKai Li1,2,Ji Chen1,Dan Zou1,Tianchi Liu1,2,Deqian Li11. State Key Laboratory of Rare Earth......
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 ... materials Monazite and bastnaesite mixed rare earth minerals were supplied by the Concentration Plant of Baotou Steel-Industry. The granularity of the mineral is less than 74 μm, and the chemical......
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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...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......
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......
