| 冠醚/PVC+TPB固态膜对溶液中Li+输送特性的研究 |
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| 引用本文： | 何玉萼,李运东,刘雪怡,谢明贵.冠醚/PVC+TPB固态膜对溶液中Li+输送特性的研究[J].膜科学与技术,1998,18(1):55-59. |
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| 作者姓名： | 何玉萼 李运东 刘雪怡 谢明贵 |
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| 作者单位： | 1. 四川大学化学系,成都,610064
2. 自贡师专化学系,自贡,643000 |
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| 摘 要： | 研制了苯并１２－冠－４（Ｂ１２－Ｃ－４）＋聚氯乙烯（ＰＶＣ）＋磷酸三丁酯（ＴＢＰ）固态膜实验考查了各种因素对Ｌｉ＋膜输送特性的影响结果表明，增加膜上冠醚含量，提高内相溶液Ｌｉ＋浓度和渗析温度，降低离子溶剂化作用等可加快离子输送速率，但选择性将受到影响论文对离子膜输送机理进行了讨论Ｌｉ＋与冠醚化合物形成配合物后经膜相扩散输送，阴离子以离子对形式相随输送及Ｈ＋的反相渗析以保持体系的电中性
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| 关 键 词： | 冠醚／PVC＋TBP膜 膜输送 苯并12－冠－4 锂离子分离 |
| 修稿时间： | 1997年6月11日 |
Study on the characteristics of lithium ions transportation across B12 - C - 4/PVC + TBP solid membranes |
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| He Yue,LI Yundong,LIU Xueyi,Xie Minggui.Study on the characteristics of lithium ions transportation across B12 - C - 4/PVC + TBP solid membranes[J].Membrane Science and Technology,1998,18(1):55-59. |
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| Authors: | He Yue LI Yundong LIU Xueyi Xie Minggui |
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| Abstract: | A memebrane composed of benzo-12-crown-4(B12-C-4),polyvinyl chloride (PVC) and tributyl phosphate (TBP) through which Li can be transported selectively has been developed.By increasing appropriately the content of B12-C-4 in membrane phase and the permeation temperature and reducing the solvent effect on metal ions when a thinner membrane is used, a higher transport rate and selectivity of Li can be obtained.Using this membrane Li is separated form a solution of LiCl and NaCl mixture. |
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| Keywords: | B12-C-4/PVC TBP membrane membrane permeate benzo-12-croun-4 separation of Li |
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