| Study on Transfer and Interfacial Kinetics of Neodymium and Samarium in Membrane Based Extraction |
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| 作者姓名： | 张凤君 马玖彤 罗芳 李德谦 吴庸烈 |
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| 作者单位： | 1. Department of Chemistry，Jilin University，Changchun 130026，China; 2. Laboratory of Rare Earth Chemistry and Physics，Changchun Institute of Applied Chemistry，C |
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| 基金项目： | ProjectsupportedbytheFundamentalResearch (G19980 613 0 2 )andtheNationalNaturalScienceFoundationofChina(2 97710 2 8,2 980 10 0 4) |
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| 摘 要： | Ｔｈｅｅｘｔｒａｃｔｉｏｎｔｅｃｈｎｏｌｏｇｙｏｆｈｏｌｌｏｗｆｉｂｂｅｒｍｅｍｂｒａｎｅ (ＨＦＭ ) ,ｗｈｉｃｈｗａｓｄｅｖｅｌｏｐｅｄｉｎｅａｒｌｙ 1 980ｓ ,ｉｓａｎｅｗｋｉｎｄｏｆｓｅｐａｒａｔｉｏｎｍｅｔｈｏｄｃｏｍｂｉｎｅｄｐｒｏｃｅｓｓｅｓｏｆｌｉｑｕｉｄ -ｌｉｑｕｉｄａｎｄｍｅｍｂｒａｎｅｅｘｔｒａｃｔｉｏｎ .Ｔｈｉｓｍｅｔｈｏｄｃａｎｏｆ ｆｅｒｓｅｖｅｒａｌａｄｖａｎｔａｇｅｓｃｏｍｐａｒｅｄｗｉｔｈｃｏｎｖｅｎ ｔｉｏｎａｌｅｘｔｒａｃｔｏｒｓ1～ 2 ] .Ｉｔｃａｎａｌｓｏｐｒｏｖ…
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Study on Transfer and Interfacial Kinetics of Neodymium and Samarium in Membrane Based Extraction |
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| Zhang Fengjun ,Ma Jiutong ,Luo Fang ,Li Deqian ,Wu Yonglie.Study on Transfer and Interfacial Kinetics of Neodymium and Samarium in Membrane Based Extraction[J].Journal of Rare Earths,2002,20(3). |
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| Authors: | Zhang Fengjun Ma Jiutong Luo Fang Li Deqian Wu Yonglie |
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| Affiliation: | Zhang Fengjun 1*,Ma Jiutong 1,Luo Fang 2,Li Deqian 2,Wu Yonglie 2 |
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| Abstract: | Extraction and interfacial kinetics of Nd 3+ and Sm 3+ with HEH/EHP kerosene in a hollow fiber membrane extractor were studied. The results show that the extraction reactions in the hollow fiber membrane extractor are the same as those in the liquid liquid extraction, which can be expressed as a quasi first order reaction. The effect of acidity in aqueous phase, concentrations of extractant, Nd 3+ and Sm 3+ on extraction rate were discussed and the corresponding reaction series were obtained. The reaction equations, reaction rate constants and the separation constant were obtained. |
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| Keywords: | rare earths hollow fiber membrane extraction transfer kinetics |
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