| 磺化聚醚砜/纳米TiO2复合超滤膜制备及其抗污染机理 |
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| 引用本文： | 罗明良,温庆志,刘佳林,刘洪见,贾自龙. 磺化聚醚砜/纳米TiO2复合超滤膜制备及其抗污染机理[J]. 中国化学工程学报, 2011, 19(1): 45-51 |
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| 作者姓名： | 罗明良 温庆志 刘佳林 刘洪见 贾自龙 |
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| 作者单位： | College of Petroleum Engineering, China University of Petroleum(East China), Qingdao 266555, China |
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| 基金项目： | Supported by the Natural Science Foundation of Shandong Province(Q2007B01) |
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| 摘 要： | Membrane fouling is one of the major obstacles for reaching a high flux over a prolonged period of ultrafiltration (UF) process. In this study, a sulfonated-polyethersulfone (SPES)/nano-TiO2 composite UF membrane with good anti-fouling performance was fabricated by phase inversion and self-assembly methods. The TiO2 nanoparticle self-assembly on the SPES membrane surface was confirmed by X-ray photoelectron spectroscopy (XPS) and FT-IR spectrometer. The morphology and hydrophilicity were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM) and contact angle goniometer, respectively. The anti-fouling mechanism of composite UF membrane was discussed through the analysis of the micro-structure and component of UF membrane surface. The results showed that the TiO2 content and the micro-structure of the composite UF membrane surface had great influence on the separation and anti-fouling performance.
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| 关 键 词： | anti-fouling ultrafiltration membrane sulfonated-polyethersulfone TiO2 nanoparticle phase inversion self-assembly |
| 收稿时间： | 2009-12-08 |
| 修稿时间： | 2010-9-20 |
Fabrication of SPES/nano-TiO2 composite ultrafiltration membrane and its anti-fouling mechanism |
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| LUO Mingliang,WEN Qingzhi,LIU Jialin,LIU Hongjian , JIA Zilong College of Petroleum Engineering,China University of Petroleum,Qingdao ,China. Fabrication of SPES/nano-TiO2 composite ultrafiltration membrane and its anti-fouling mechanism[J]. Chinese Journal of Chemical Engineering, 2011, 19(1): 45-51 |
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| Authors: | LUO Mingliang WEN Qingzhi LIU Jialin LIU Hongjian JIA Zilong College of Petroleum Engineering China University of Petroleum Qingdao China |
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| Affiliation: | College of Petroleum Engineering, China University of Petroleum(East China), Qingdao 266555, China |
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| Abstract: | Membrane fouling is one of the major obstacles for reaching a high flux over a prolonged period of ultrafiltration (UF) process. In this study, a sulfonated-polyethersulfone (SPES)/nano-TiO2 composite UF membrane with good anti-fouling performance was fabricated by phase inversion and self-assembly methods. The TiO2 nanoparticle self-assembly on the SPES membrane surface was confirmed by X-ray photoelectron spectroscopy (XPS) and FT-IR spectrometer. The morphology and hydrophilicity were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM) and contact angle goniometer, respectively. The anti-fouling mechanism of composite UF membrane was discussed through the analysis of the micro-structure and component of UF membrane surface. The results showed that the TiO2 content and the micro-structure of the composite UF membrane surface had great influence on the separation and anti-fouling performance. |
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| Keywords: | anti-fouling ultrafiltration membrane sulfonated-polyethersulfone TiO2 nanoparticle phase inversion self-assembly |
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