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Composite anion exchange membrane made by layer-by-layer method for selective ion separation and water migration control
Yufei Zhang; Ru Liu; Qiaolin Lang; Ming Tan; Yang Zhang
2017-10-13
发表期刊SEPARATION AND PURIFICATION TECHNOLOGY
卷号192页码:278-286
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摘要In ion exchange membrane processes (e.g. electrodialysis), improving ion selectivity and reducing water permeance are two key concerns, which drive new membrane fabrication methods. Preparation of composite ion exchange membrane with functional layers may be a solution to elevate its performance. In this study, composite anion exchange membranes (C-AEM) were prepared by using layer-by-layer (LbL) method, and were characterized with regard to membrane surface properties, selectivity, as well as water permeance. Results indicate that monovalent ion selectivity increased with the number of assembled layers. More specifically, when the membrane was modified with 10.5 layers, − − PSO Cl42 reached over 10, which was much higher than the commercially available monovalent selective membrane (ACS, − − PSO Cl 4 2 around 5). Besides, the C-AEMs also showed a good performance on organic ion selectivity and water migration control. This work proves that LbL method is an effective way to prepare functionalized ion exchange membrane by controlling membrane surface properties (surface potential and pore size). Furthermore, this work provides an investigation of transport mechanisms of ions with different charge, different size and different hydration number by penetrating functional membranes with layered top structure. The prepared C-AEMs showed a good separation efficiency of monovalent ions and organic acids with controlled water migration, this may be potentially used in desalination, wastewater treatment, chemical separation, or other related fields.
文章类型Article
关键词Electrodialysis Layer-by-layer Method Organic Ion separatIon Water Permeance Selectivity
WOS标题词Engineering
DOI10.1016/j.seppur.2017.10.022
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关键词[WOS]POLYELECTROLYTE MEMBRANES ; ANTIFOULING PROPERTIES ; DIVALENT-CATIONS ; ELECTRODIALYSIS ; MONOVALENT ; TRANSPORT ; SALT ; PERMSELECTIVITY ; CHRONOPOTENTIOMETRY ; HYDROPHILICITY
收录类别SCI
语种英语
所属项目编号2016ZX05040-003 ; 51508548 ; 16-5-1-33-jch ; BS2014NJ019
资助项目National Science and Technology Major Project of the Ministry of Science and Technology ; National Natural Science Foundation of China ; the Applied Basic Research Programs for Young Scientists of Qingdao ; Shandong Provincial Natural Science Foundation, China
项目资助者National Science and Technology Major Project of the Ministry of Science and Technology ; National Natural Science Foundation of China ; the Applied Basic Research Programs for Young Scientists of Qingdao ; Shandong Provincial Natural Science Foundation, China
WOS类目Engineering ; Chemical
WOS记录号WOS:000418212500032
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9815
专题环境资源化与水回用团队
通讯作者Yang Zhang
作者单位1.中国科学院青岛生物能源与过程研究所
2.国家石油污染控制重点实验室
3.青岛市功能膜材料与膜技术重点实验室
4.中国科学院大学
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Yufei Zhang,Ru Liu,Qiaolin Lang,et al. Composite anion exchange membrane made by layer-by-layer method for selective ion separation and water migration control[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,192:278-286.
APA Yufei Zhang,Ru Liu,Qiaolin Lang,Ming Tan,&Yang Zhang.(2017).Composite anion exchange membrane made by layer-by-layer method for selective ion separation and water migration control.SEPARATION AND PURIFICATION TECHNOLOGY,192,278-286.
MLA Yufei Zhang,et al."Composite anion exchange membrane made by layer-by-layer method for selective ion separation and water migration control".SEPARATION AND PURIFICATION TECHNOLOGY 192(2017):278-286.
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