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MBR的临界膜通量及其影响研究

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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.
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.
shu
Li Shunyi, Wei Hongwei, Lü Sihao, Li Wei, Wang Yan. Research of critical membrane flux and its factors in MBR[J]. Chinese Journal of Environmental Engineering, 2009, 3(9): 1585-1588.
Citation: Li Shunyi, Wei Hongwei, Lü Sihao, Li Wei, Wang Yan. Research of critical membrane flux and its factors in MBR[J]. Chinese Journal of Environmental Engineering, 2009, 3(9): 1585-1588.
shu

MBR的临界膜通量及其影响研究

  • 1.

    郑州大学化工学院环境科学系，郑州 450001

  • 基金项目:

    国家水体污染控制与治理科技重大专项（2008ZX07010-004）

  • 中图分类号: X703

Research of critical membrane flux and its factors in MBR

  • 1.

    Department of Environmental Science, College of Chemical Engineering, Zhengzhou University, Zhengzhou 450001,China

  • Fund Project:

  • 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%。
    Abstract: The critical flux of MBR in treating landfill leachate was determined using the fluxstep method in the experiment, and the influence of the velocity of gas liquid two phase flow at the membrane surface on critical flux was investigated. The result indicated that the two phase flow velocity could affect the critical flux dramatically. While the two phase flow velocity was increased from 0.9 m/s to 1.8 m/s, the critical flux would increase from 12～14 L/(m2·h) to 16～18 L/(m2·h). Their correlation presented linearly because of the coefficient of 0997 The operation characteristics under sub-critical flux revealed that the membrane fouling could be divided into two stages. The first stage was irreversible period, in which the gel fouling was the dominant process and caused 72% of the total resistance. The second stage was reversible period, in which the cake formation was the control factor and caused 68.5 % of the total resistance
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  • 收稿日期:  2009-01-16
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.
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.
shu
Li Shunyi, Wei Hongwei, Lü Sihao, Li Wei, Wang Yan. Research of critical membrane flux and its factors in MBR[J]. Chinese Journal of Environmental Engineering, 2009, 3(9): 1585-1588.
Citation: Li Shunyi, Wei Hongwei, Lü Sihao, Li Wei, Wang Yan. Research of critical membrane flux and its factors in MBR[J]. Chinese Journal of Environmental Engineering, 2009, 3(9): 1585-1588.
shu

MBR的临界膜通量及其影响研究

  • 1. 郑州大学化工学院环境科学系，郑州 450001
  • 收稿日期:  2009-01-16
基金项目:

国家水体污染控制与治理科技重大专项（2008ZX07010-004）

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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