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题名: Solvent resistant nanofiltration membrane based on polybenzimidazole
作者: Chen, Dongju1;  Yu, Shanshan1;  Zhang, Huamin2;  Li, Xianfeng2
关键词: Polybenzimidazole ;  SRNF ;  Separation ;  Phase inversion
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
发表日期: 2015-03-04
DOI: 10.1016/j.seppur.2015.01.011
卷: 142, 页:299-306
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Polybenzimidazole (PBI) membranes with different morphology were prepared via traditional phase inversion method and applied in solvent resistant nanofiltration (SRNF) application. The morphology of the membranes was tuned via changing polymer concentration and adding volatile solvent in cast solutions. The morphology of the membranes was studied in detail by scanning electronic microscopy (SEM). The membranes show less macrovoids sublayer and denser skin layer with increasing polymer concentration in cast solution. The evaporation of volatile solvent is beneficial to forming a thicker skin layer. In this paper, PBI based membranes were also applied in the filtration of organic solvents, where dyes with different charge and size were selected to study the role of charge in solvent filtrations. The membranes showed more than 95% retention on positive charged MB (MW = 160) in alcohol based medium, which is very promising for SRNF application. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: HOLLOW-FIBER MEMBRANES ;  POLYMERIC MEMBRANES ;  MOLECULAR-LEVEL ;  PERFORMANCE ;  SEPARATION ;  FLUX ;  REMOVAL ;  OSMOSIS ;  PURIFICATION ;  PARAMETERS
语种: 英语
WOS记录号: WOS:000350076600039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146025
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China

Recommended Citation:
Chen, Dongju,Yu, Shanshan,Zhang, Huamin,et al. Solvent resistant nanofiltration membrane based on polybenzimidazole[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2015,142:299-306.
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