膜生物反应器中膜污染机理及其防治

膜生物反应器中膜污染机理及其防治

宋志伟^1，2，杨帆³，任南琪¹

1.哈尔滨工业大学市政与环境工程学院, 哈尔滨 150001;2.黑龙江科技学院资源与环境工程学院，哈尔滨 150027;3.山东济宁市环保局 , 山东济宁 272000

收稿日期:2007-09-11 修回日期:1900-01-01 出版日期:2008-07-26 发布日期:2008-07-26
通讯作者: 任南琪

Mechanism of Membrane Fouling in Membrane Bioreactor and Its Prevention

SONG Zhi-wei^1，2，YANG Fan³,REN Nan-qi¹

1.School of Municipal and Environmental Engineering， Harbin Institute of Technology， Harbin 150001，China;2.College of Resource and Engineering，Heilongjiang Institute of Science and Technology，Harbin 150027，China;3.Jining Environmental Protection Administration of Shandong， Jining,Shandong 272000,China

Received:2007-09-11 Revised:1900-01-01 Online:2008-07-26 Published:2008-07-26
Contact: REN Nan-qi

摘要/Abstract

摘要： 通过向一体式膜生物反应器中分别投加聚合铝和粉煤灰改变料液性质，来预防膜污染和提高膜生物反应器对总磷的去除效率，并通过X射线衍射和红外光谱实验分析活性污泥性质的变化，利用扫描电镜分析中空纤维膜表观结构的变化情况，探讨防治膜污染的机理。实验结果表明:聚合铝的投加改变了活性污泥的性质和生物膜的表观结构，可有效地减缓膜污染，且除磷效率达85%以上;而投加粉煤灰并没有明显效果。

关键词: 膜生物反应器, 聚合铝, 粉煤灰, 膜污染

Abstract: In order to prevent membrane fouling and improve the elimination effect of phosphorus, polymeric aluminum and fly-ash were fed to membrane bioreactor to change the property of wastewater treatment; meanwhile active sludge was analyzed with X-ray diffraction and infrared spectrum methods, and hollow membrane was probed with SEM to investigate the mechanism of membrane fouling. The results show that the property of active sludge and bio-membrane structure were changed by adding polymeric aluminum, especially the removal rate of phosphorous could reach 85% and the membrane fouling was reduced effectively. Moreover no effect was observed when ash-fly was fed into the membrane bioreactor.

Key words: membrane bioreactor, polymeric aluminum, fly-ash, membrane fouling

中图分类号:

X505

宋志伟，杨帆，任南琪. 膜生物反应器中膜污染机理及其防治[J]. J4, 2008, 38(4): 676-0680.

SONG Zhi-wei，YANG Fan,REN Nan-qi. Mechanism of Membrane Fouling in Membrane Bioreactor and Its Prevention[J]. J4, 2008, 38(4): 676-0680.

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