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Reduction leaching of rare earth from ion-adsorption type rare earths ore with ferrous sulfate肖燕飞1,2,3,冯宗玉1,2,黄莉1,2,3,黄小卫1,2,陈迎迎5,龙志奇1,21. National Engineering Research Center for Rare Earth... of Chemical Engineering,China University of Petroleum,Beijing摘 要:The practice of in-situ leaching of the ion-adsorption type rare earths ore with ammonium sulfate......
THE PRESENT SITUATION OF THE DEVELOPMENT OF RARE EARTHS IN CHINALiu Yujiu(Bureau of Rare and Rare Earth Metals,China National Nonferrous Metals Industry Corporation,Beijing P.R.China)摘 要:<正> 1.Rare Earth Resources in China1.1.Reserves and distributionChina is the country which is the richest in the world in rare earth(RE)resources of allavailable......
FORMATION OF GRADIENT COATING OF Fe-BASED ALLOY WITH RARE EARTHS BY PLASMA SURFACING A.Q.Sun1,J.F.Chen2,Q.K.Cai2,L.J.Shang1,C.M.Zhang1 (1.College of Materials Science and Engineering, Shenyang... with rare earths (RE) by plasma surfacing on Q235 steel substrate. The coatings were studied by using X-ray diffraction (XRD),scanning electron microscope(SEM),differential thermal analyzer (DTA......
Applications of X-ray fluorescence analysis of rare earths in China吴文琪1,2,许涛1,2,郝茜1,2,张淑杰1,2,赵长玉1,21. National Engineering Research Center of Rare Earth Metallurgy and Functional Materials2. Baotou Research Institute of Rare Earths摘 要:A review was presented on the applications of X-ray fluorescence(XRF) analysis in Chinese rare earth industry during......
Applications of X-ray fluorescence analysis of rare earths in China吴文琪1,2,许涛1,2,郝茜1,2,张淑杰1,2,赵长玉1,21. National Engineering Research Center of Rare Earth Metallurgy and Functional Materials2. Baotou Research Institute of Rare Earths摘 要:A review was presented on the applications of X-ray fluorescence(XRF) analysis in Chinese rare earth industry during......
Application of rare earths in fluid catalytic cracking: A reviewAaron Akah摘 要:The need for more active and hydrothermally stable fluid catalytic cracking(FCC)catalysts to combat the effect of metal contaminants has led to an increase in demand for rare earth oxides.Rare earth oxides enhance catalyst activity and prevent the loss of acid sites during......
Application of rare earths in fluid catalytic cracking: A reviewAaron Akah摘 要:The need for more active and hydrothermally stable fluid catalytic cracking(FCC)catalysts to combat the effect of metal contaminants has led to an increase in demand for rare earth oxides.Rare earth oxides enhance catalyst activity and prevent the loss of acid sites during......
Effects of Rare Earths and Al on Structure and Performance of High Chromium Cast Iron Containing Wolfram Huang Yongchang1,Guo Erjun1,Fu Yuanke1,Wang Liping1 (1.School of Materials Science...; heat treatment; high chromium cast iron containing wolfram; rare earths; [全文内容正在添加中] ......
Status of Rare Earths for Agriculture in China Liu Xiangsheng1,WANG Jiachen2,Yang Jun3 (1.Grirem Advanced Materials Co.,Ltd. Beijing100088, China;2.Beijing General Research Instiutes for Nonferrous Metals, Beijing 100088, China;3.National Rare Earth Center for Agriculture of China, Beijing 100088, China) Abstract:Rare Earths (RE) for agriculture is a very typical application and has already......
Recovery of rare earths from acid leach solutions of spent nickel-metal hydride batteries using solvent extraction夏允,肖连生,田吉英,李兆洋,曾理摘 要:The extraction of rare earths from acid leach solutions of spent nickel-metal hydride batteries using a primary amine extractant of N1923 was studied.The effects of feed pH,temperature,agitation rate and time......
