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| TiO2纳米粒子对PVDF超滤膜的结构与性能影响研究 | |
| 引用本文： | 闫勇,赵长伟,曾楚怡,王涛,栾兆坤.TiO2纳米粒子对PVDF超滤膜的结构与性能影响研究[J].水处理技术,2011,37(8). |
| 作者姓名： | 闫勇 赵长伟 曾楚怡 王涛 栾兆坤 |
| 作者单位： | 1. 中国科学院生态环境研究中心,环境水质学国家重点实验室,北京100085;湘潭大学,湖南湘潭411105 2. 中国科学院生态环境研究中心,环境水质学国家重点实验室,北京100085 3. 湘潭大学,湖南湘潭,411105 |
| 基金项目： | 国家高新技术研究发展计划(863)项目(2009AA062901,2009AA063901) |
| 摘 要： | 采用溶胶-凝胶法制备了不同纳米TiO2溶胶含量的TiO2/PVDF超滤膜,探讨TiO2溶胶及其含量对膜性能及结构的影响,并利用X射线衍射、扫描电子显微镜、红外光谱和接触角测量仪表征了复合膜的结构.结果表明,经纳米TiO2溶胶改性后,TiO2/PVDF复合膜的孔隙率、接触角和结构等都发生了显著的变化,在TiO2溶胶添加质量分数为4％时条件下,膜的孔隙率为74.5％,水通量为430.6L·m-2·h-1,截留率为82.5％. |
| 关 键 词： | TiO2溶胶 聚偏氟乙烯 亲水改性 膜性能 膜结构 |
EFFECT OF TiO_2 SOL ON PVDF ULTRAFILTRATION MEMBRANE STRUCTURE AND PERFORMANCE |
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| Yan Yong , Zhao Changwei , Zen Chuyi , Wang Tao , Luan Zhaokun.EFFECT OF TiO_2 SOL ON PVDF ULTRAFILTRATION MEMBRANE STRUCTURE AND PERFORMANCE[J].Technology of Water Treatment,2011,37(8). | |
| Authors: | Yan Yong Zhao Changwei Zen Chuyi Wang Tao Luan Zhaokun |
| Affiliation: | Yan Yong1,2,Zhao Changwei1,Zen Chuyi2,Wang Tao1,Luan Zhaokun1(1.State Key Laboratory of Environmental Aquatic Chemistry,Research Center for Eco-Environment Sciences,Chinese Academy of Science,Beijing 100085,China,2.XiangTan University,Xiangtan 411105,China) |
| Abstract: | Polyvinylidene fluoride(PVDF)/TiO2 hybrid ultrafiltration(UF) membranes with different nano TiO2 sol content were prepared by sol-gel method,the effects of TiO2 sol and its content on the membrane performance and structure were discussed,and the structure of the composite membranes were investigated by XRD,SEM,FT-IR,contact angle goniometer.The results showed that porosity,contact angle and membrane structure of TiO2 /PVDF membrane all improve after adding nano TiO2 sol,Under the condition of the addition o... |
| Keywords: | TiO2 sol polyvinylidene fluoride(PVDF) hydrophilic modification membrane performance membrane structure |
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