| 聚苯醚/聚砜复合膜对乙醇/水混合体系的渗透汽化分离 |
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| 引用本文： | 纪树兰, 曾小雅, 秦振平, 刘威. 聚苯醚/聚砜复合膜对乙醇/水混合体系的渗透汽化分离[J]. 北京工业大学学报, 2011, 37(6): 893-897. |
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| 作者姓名： | 纪树兰 曾小雅 秦振平 刘威 |
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| 作者单位： | 1.北京工业大学 环境与能源工程学院, 北京 100124 |
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| 基金项目： | 国家自然科学基金资助项目(20876003,20806001); 北京工业大学研究生科技基金资助项目(ykj-2009-2373); 北京市学术创新团队计划资助项目(PHR200907105) |
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| 摘 要： | 以聚砜超滤膜为基膜,采用溶剂蒸发法制备聚苯醚/聚砜复合膜.用红外光谱(FT-IR)表征复合膜的制备效果,通过扫描电镜(SEM)观察其断面形貌;研究了聚苯醚(PPO)含量、进料液乙醇含量及进料液温度对复合膜渗透汽化分离性能的影响.结果表明,随铸膜液中PPO质量分数的增大,复合膜的分离因子增大,渗透通量减小;随进料液中乙醇质量分数的增大,复合膜的分离因子减小,而渗透通量增大;随进料液温度的升高,复合膜的分离因子及渗透通量均增大.对铸膜液中PPO质量分数为14%的复合膜,在进料液乙醇含量10%、进料液温度60℃时,膜的渗透通量157.2 g/(m2·h),膜对乙醇的选择系数为15.6.
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| 关 键 词： | 聚苯醚 聚砜 复合膜 渗透汽化 |
| 收稿时间： | 2009-12-01 |
Pervaporation Separation of Ethanol/Water Mixture by PPO/PSF Composite Membrane |
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| JI Shu-lan, ZENG Xiao-ya, QIN Zhen-ping, LIU Wei. Pervaporation Separation of Ethanol/Water Mixture by PPO/PSF Composite Membrane[J]. Journal of Beijing University of Technology, 2011, 37(6): 893-897. |
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| Authors: | JI Shu-lan ZENG Xiao-ya QIN Zhen-ping LIU Wei |
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| Affiliation: | 1.College of Energy and Enviromental Engineering, Beijing University of Technology, Beijing 100124, China |
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| Abstract: | PPO/PSF composite membrane was prepared by solvent evaporation method,and by taking polysulfone ultrafiltration membrane as the basement membrane.The preparation effect of the composite membrane was investigated by FT-IR and its section morphology was observed by scanning electron microscopy(SEM).Effects of influence of casting solution composition,feed solution concentration and feed solution temperature on separation performance of composite membrane were also studied.The results show that with increasing... |
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| Keywords: | PPO PSF composite membrane pervaporation |
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