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Phase transition of bastnaesite concentrate in calcification process被引量：3: 《Rare Metals》2016年第8期649-654,共6页Yu-Kun Huang Ting-An Zhang Zhi-He Dou Jiang Liu Fang-Fang Tang; financially supported by the National Basic Research Program of China (No. 2012CBA01205); The phase transformation in calcification process was investigated by X-ray diffraction （XRD） and differential scanning calorimeter （DSC）, and the effect of calcification on the leaching rate of rare earth was ana...; 关键词：BASTNAESITE Calcification transformation Solidfluoride reaction Mineral phase transition

Formation behavior of CaTiO_3 during electrochemical deoxidation of ilmenite concentrate to prepare Fe–Ti alloy被引量：5: 《Rare Metals》2016年第3期275-281,共7页Xu-Yang Liu Mei-Long Hu Chen-Guang Bai Xue-Wei Lv; financially supported by the Fundamental Research Funds for the Central Universities of China (No.CDJZR12130049);Chongqing University Postgraduates’ Science and Innovation Fund (No.CDJXS12131105); The formation behavior of CaTiO3 during electro-deoxidization of ilmenite concentrate to prepare Fe–Ti alloy was investigated by experiments and simulation.The results indicate that the formation and decomposition of...; 关键词：Perovskite Electrochemical reduction Ilmenite concentrate

Mixed rare earth concentrate leaching with HCl-AlCl_3 solution被引量：11: 《Rare Metals》2013年第3期312-317,共6页Mei Li Xiao-Wei Zhang Zhao-Gang Liu Mi-Tang Wang Jia Liu Jian-Ping Yang; financially supported by the National Nature Science Foundation of China (No. 51174115);National Outstanding Youth Science Foundation of China (No. 51025416);Program for Changjiang Scholars and Innovative Research Team in University (No. IRT1065); Abstract A method of Baotou mixed rare earth concen- trate leaching was investigated. According to the principle of complex leaching, the quadratic orthogonal regression experiment was used to investigate effect of si...; 关键词：HCl-AlCl3 solution Mixed rare earthconcentrate LEACHING

Decomposition process of zircon sand concentrate with CaO-NaOH被引量：3: 《Rare Metals》2012年第4期410-414,共5页Zhang, Jiandong Wang, Lijun Jiang, Dongmin; The decomposition process for zircon sand concentrate using mixed base of sodium hydroxide partly replaced by calcium oxide was inrestigated.It is found that the decomposition rate of zircon gradually increased with t...; 关键词：ZIRCON DECOMPOSITION calcium oxide sodium hydroxide TG-DTA

An investigation of oxygen pressure acid leaching of Gacun complex Cu-Pb bulk concentrate被引量：6: 《Rare Metals》2012年第1期96-101,共6页Xu, Bin Zhong, Hong Jiang, Tao; the 11th Five-Year Plan of National Scientific and Technological Program of China (No.2007 BAB22B01); The treatment of the Gacun complex Cu-Pb bulk concentrate with high Zn,Ag,etc.,by oxygen pressure acid leaching was studied.The pri-mary copper and leadminerals in the concentrate are tetrahedrite and galena.The treat...; 关键词：nonferrous metallurgy synthetic reclaiming oxygen pressure acid leaching complex Cu-Pb bulk concentrate TETRAHEDRITE

Decomposition reaction kinetics of Baotou RE concentrate with concentrated sulfuric acid at low temperature被引量：4: 《Rare Metals》2010年第2期121-125,共5页WANG Xiuyan LIU Jiemin LI Mei FAN Huili YANG Qishan; supported by the National Natural Science Foundation of China (No. 20877008);the Program for New Century Excellent Telents in University of the Ministry of Education of China (No. 20407003); Baotou RE concentrate was decomposed with concentrated sulfuric acid by controlling the roasting temperature below 500℃.Thermogravimetry-differential thermal analysis（TG-DTA） and chemical analytical methods were us...; 关键词：roasting rare earths concentrate TG-DTA reaction kinetics

Mechanical Activation of Alkaline Leaching of Scheelite Concentrate被引量：1: 《Rare Metals》1998年第4期68-72,共5页李运姣李洪桂刘茂盛孙培梅; The mechanochemical activation for leaching scheelite concentrate with NaOH solution was studied on a laboratory scale. Tungsten recovery more than 98% can be obtained for treating either scheelite concentrate with 66...; 关键词：TUNGSTEN Scheelite concentrate LEACHING Mechanical activation

Roast Reaction Kinetics of Bastnasite Concentrate with Sodium Carbonate Mixture被引量：3: 《Rare Metals》1997年第3期8-12,共5页柳召刚张继荣; The roast reaction kinetics of bastnasite concentrate mixture with ten percent sodium carbonate was studied by means of thermal analysis. The apparent activation energy and reaction order are determined 183.6 kJ/mol a...; 关键词：Bastnasite ROAST KINETICS

Leaching Behavior of Complex Copper Sulphide　Concentrate　with　Ferric　Chloride　by　Microwave　Irradiation被引量：9: 《Rare Metals》1997年第2期73-76,共4页丁伟安; Microwave assisted leaching of complex copper sulphide concentrate with ferric chloride was investigated, and its mechanism was analyzed. The results show that the leaching rate by microwave irradiation heating is mu...; 关键词：Copper sulphide CONCENTRATE LEACHING Microwave irradiation heating

Preparation　of　High－purity　Sodium　Tungstate　from　Low－grade　Tung－sten－concentrate　with　a　High　Content　of　Calcium　and　Other　Impurities: 《Rare Metals》1996年第2期116-122,共7页孙培梅陈洲溪李洪桂李运姣梁永堂陈树翘; A new technological process for production of talium tungstate from low-grade tungsten-concentrate witha high content of calcium and other impurities has been studied. The experiments showed that average tungstenleach...; 关键词：Low-grade tungsten-concentrate Mechanical activating causticdecomposition Ion exchange High-purity sodium tungstate

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