| Monovalent cation selective membranes: state and perspective in development |
| Authors: LI Jian1,XU Yanqing1,RUAN Huimin1,2,SHEN Jiangnan1,2,GAO Congjie1,2 |
| Units: Ocean collage,Zhejiang university of technology,HangZhou 310014,Zhejiang,China;Centre of membrane science and water technology,Zhejiang university of technology,HangZhou 310014,Zhejiang,China |
| KeyWords: monovalent cation selective membrane; surface modification; electrodialysis; selectivity |
| ClassificationCode:O658.6+8 |
| year,volume(issue):pagination: 2015, 35(3):113-120 |
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Abstract: |
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As ion exchange membranes are widely used in industrial production, membranes with special properties are in increasing demand. Monovalent cation selective membranes as a newly emerging technology play an important role in membrane separation industry. It will make a contribution to decrease the leakage of multivalent while applying in electrodialysis. This paper introduces the history of domestic and foreign monovalent cation selective membrane, explores the methods to prepare it. In addition, the advantages and disadvantages of electro-deposition modification, photochemical reaction modification and immersing modification are compared. Further analysis of the constraining factor of monovalent cation selective membrane and its broad application prospects are discussed. |
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Funds: |
| 逆向电渗析海水盐差能膜组件设计和应用关键技术研究(2013R403045), 单价选择性阳离子交换膜的制备研究及在海水制盐中的应用(Y201432085) |
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AuthorIntro: |
| 李健(1990-),男,江苏扬州人,硕士研究生,从事膜分离技术研究。E-mail:li4753628@126.com 沈江南(1976-),男,浙江人,博士后,副教授,从事膜分离技术研究。E-mail: shenjn@zjut.edu.cn |
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Reference: |
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[1] 曾青兰, 李晓宏. 离子交换膜的技术及其应用[J]. 高新技术, 2010, 4: 1-1. |
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