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题名: Preparation, characterization and performance of poly(m-phenylene isophthalamide)/organically modified montmorillonite nanocomposite membranes in removal of perfluorooctane sulfonate
作者: Luo, Qin; Liu, Yanxia; Liu, Guixia; Zhao, Changwei
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES
出版日期: 2016-08-01
卷号: 46, 期号:0, 页码:126-133
关键词: Nanoffitration membrane ; Organically modified ; montmorillonite ; PFOS removal
DOI: 10.1016/j.jes.2015.10.032
部门归属: 环境水质学国家重点实验室
英文摘要: Nanocomposite membranes containing poly(m-phenylene isophthalamide) (PMIA) and organically modified montmorillonite (OMMT) were prepared by a combination of solution dispersion and wet -phase inversion methods, and the effects of OMMT addition on the properties and performance of fabricated nanofiltration membranes were investigated. The membranes were characterized by contact angle measurements, scanning electron microscopy (SEM), atomic force microscopy (AFM), thermogravimetric analysis, and zeta potential. The performance of the membranes was elucidated by the removal of perfluorooctane sulfonate (PFOS) at neutral pH. Increasing OMMT concentration improved the thermal stability and hydrophilicity of the membranes. The permeation and rejection of PFOS were significantly improved. The performance of fabricated nanofiltration membranes in removal of PFOS varied depending on the solute and membrane properties as well as solution conditions. Finally, a comparison between fabricated membranes and a commercial NF membrane (ESNA1-K1, Hydecanme) proved that the OMMT addition is a convenient procedure for producing nanocomposite membranes with superior properties and performance. (C) 2016 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36072
Appears in Collections:环境水质学国家重点实验室_期刊论文

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Luo, Qin,Liu, Yanxia,Liu, Guixia,et al. Preparation, characterization and performance of poly(m-phenylene isophthalamide)/organically modified montmorillonite nanocomposite membranes in removal of perfluorooctane sulfonate[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2016,46(0):126-133.
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文件名: Preparation, characterization and performance of poly(m-phenylene isophthalamide)organically modified montmorillonite nanocomposite membranes in removal of perfluorooctane sulfonate.pdf
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