| MBR的临界膜通量及其影响研究 |
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| 引用本文： | 李顺义,位红卫,吕斯濠,李伟,王岩.MBR的临界膜通量及其影响研究[J].环境工程学报,2009,3(9):1585-1588. |
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| 作者姓名： | 李顺义 位红卫 吕斯濠 李伟 王岩 |
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| 作者单位： | 郑州大学化工学院环境科学系,郑州,450001 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项（2008ZX07010-004） |
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| 摘 要： | 采用通量阶梯式递增法测定了MBR的临界膜通量，研究了膜面气液两相流流速对临界膜通量影响，并考察次临界膜通量下MBR处理垃圾渗滤液的运行特性。试验结果表明，膜面气液两相流流速对临界膜通量影响较大，膜面气液两相流流速由0.9 m/s增至1.8 m/s，临界膜通量由12～14 L/(m2·h)增加至16～18 L/(m2·h)，两者呈显著正相关关系，相关系数为0.997。次临界膜通量下运行时，膜污染包括不可逆污染和可逆污染2个阶段：不可逆污染阶段以凝胶层污染为主，占总量的72%，而可逆污染阶段以滤饼层形成的阻力为主，占总阻力的68.5%。
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| 关 键 词： | MBR 膜污染 临界膜通量 次临界膜通量 |
Research of critical membrane flux and its factors in MBR |
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| Li Shunyi,Wei Hongwei,Lü Sihao,Li Wei,Wang Yan.Research of critical membrane flux and its factors in MBR[J].Techniques and Equipment for Environmental Pollution Control,2009,3(9):1585-1588. |
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| Authors: | Li Shunyi Wei Hongwei Lü Sihao Li Wei Wang Yan |
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| Institution: | Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China,Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China,Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China,Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China and Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China |
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| Abstract: | |
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| Keywords: | MBR membrane fouling critical flux sub-critical flux |
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