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Microscopic mechanism in solvent extraction of Au(CN)-2 by cationic surfactant CHEN Jing(陈 景)1, HUANG Kun(黄 昆)1, YU Jian-min(余建民)1,WU Jin-guang(吴瑾光)2, SHI Nai(施 鼐)2, XU Guang-xian(徐光宪)2 (1. Institute of Precious Metals, Kunming 650221, China; 2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China) Abstract: A new solvent extraction system......
Copper solvent extraction from alkaline cyanide solution with guanidine extractant LIX 7950 F. XIE, D. B. Dreisinger Department of Materials Engineering, University of British Columbia... was investigated. The extraction of copper and cyanide under different initial copper and extractant concentrations was examined and the stoichiometric extraction constant of Cu(CN)32- with LIX 7950......
Mathematical module for countercurrently fractional chiral extraction and its VB simulation TANG Ke-wen(唐课文)1, 2, HUANG Ke-long(黄可龙)1, YI Jian-min(易健民)1, 2, ZHANG Guo-li(张国丽)1 1. School..., China Received 6 January 2006; accepted 27 March 2006 Abstract: Based on chemical thermodynamics and mass balance, countercurrently fractional chiral extraction by hollow fiber membrane......
Effective rare earth extraction from Nd-Fe-B waste by liquid cuprum extraction methodKe Xu1,Junru Xiao1,Zhongwu Liu1,21. School of Materials Science and Engineering,South China University... of extracting RE elements from Nd-Fe-B waste by molten Cu extraction based on liquid-solid diffusion and reaction is reported in this paper.The extraction process,product microstructure and extraction......
Effective rare earth extraction from Nd-Fe-B waste by liquid cuprum extraction methodKe Xu1,Junru Xiao1,Zhongwu Liu1,21. School of Materials Science and Engineering,South China University... of extracting RE elements from Nd-Fe-B waste by molten Cu extraction based on liquid-solid diffusion and reaction is reported in this paper.The extraction process,product microstructure and extraction......
J. Cent. South Univ. Technol. (2008) 15: 59-63 DOI: 10.1007/s11771-008-0013-z Microwave assisted-semi bionic extraction of lignan compounds from Fructus Forsythiae by orthogonal... extraction (MASBE) process for lignans from Fructus Forsythiae was studied. The influences of solvent pH value, microwave power, dosage of solvent and irradiation time were investigated. Optimum......
Study on Transfer and Interfacial Kinetics of Neodymium and Samarium in Membrane Based Extraction 罗芳1,吴庸烈1,李德谦1,马玖彤2,张凤君2 (1.Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, China;2.Department of Chemistry, Jilin University, Changchun 130026, China) Abstract:Extraction and interfacial kinetics of Nd3......
Extraction of Yttrium (Ⅲ) into [C8mim][PF6] Containing Cyanex 923 Chen Ji1,Ma Jiutong2,Peng Bo2,Sun Xiaoqi1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Graduate School from Chinese Academy of Science, Chinese Academy of Science, Changchun 130022, China;2.College of Chemistry, Jilin University, Changchun 130061, China) Abstract:The extraction......
New Methodological Approach to Investigation of Kinetics of REE Extraction in Nonstationary Conditions () Abstract:The influence of periodical oscillations of the temperature on extraction and stripping processes in the extraction systems was studied. Two extraction systems were investigated: (1) 6 mol·L-1 NaNO3-Nd(NO3)3-Pr(NO3)3-TBP-kerosene and (2) [Nd(NO3)3·3TBP]-[Pr(NO3)3·3TBP]-kerosene......
