| 反渗透污染膜水通量迁移方程的改进及应用研究 |
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| 引用本文： | 章丽萍,鲁雪梅,高振凤,何绪文,程文鹏. 反渗透污染膜水通量迁移方程的改进及应用研究[J]. 水处理技术, 2010, 36(1) |
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| 作者姓名： | 章丽萍 鲁雪梅 高振凤 何绪文 程文鹏 |
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| 作者单位： | 中国矿业大学(北京)化学与环境工程学院,北京,100083 |
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| 摘 要： | 介绍了目前几种反渗透膜透过机理,通过文献调研认为目前聚酰胺膜反渗透膜的透过机理遵循优先吸附-毛细孔流理论,在此基础上从孔流理论出发对低压反渗透膜的分离机理进行初步研究,改进了孔流理论的水通量的基本迁移方程,并建立了用膜污染层厚度δ_f来预测膜污染时间的数学模型,通过反渗透实际工程的设计运行得到了试验验证,丰富了RO系统理论,特别是在预测膜污染清洗时间方面提供了新的依据.
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| 关 键 词： | 反渗透 水通量 迁移方程 膜污染层厚度 膜污染时间 |
MODIFICATION OF WATER TRANSPORT EQUATION IN RO MEMBRANE FOULING PROCESS |
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| Zhang Liping,Lu Xuemei,Gao Zhenfeng,He Xuwen,Chen Wenpeng. MODIFICATION OF WATER TRANSPORT EQUATION IN RO MEMBRANE FOULING PROCESS[J]. Technology of Water Treatment, 2010, 36(1) |
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| Authors: | Zhang Liping Lu Xuemei Gao Zhenfeng He Xuwen Chen Wenpeng |
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| Affiliation: | Zhang Liping,Lu Xuemei,Gao Zhenfeng,He Xuwen,Chen Wenpeng(School of Chemical , Environmental Engineering,China University of Mining & Technology,Beijing 100083,China) |
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| Abstract: | Some water transport mechanism of reverse osmosis was introduced.The low pressure RO membrane was investigated on base of orifice discharge theory.The water transport equation was modified by building membrane foulants thickness δ_f.The model was tested and verified by experiment. |
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| Keywords: | RO ware flux water transport equation membrane foulants thickness membrane fouling time |
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