投加粉末活性炭对MBR运行性能的影响

• 地下水污染机理与修复 • 上一篇下一篇

投加粉末活性炭对MBR运行性能的影响

张凤君¹，王顺义¹，刘田²，沙娜¹，王鹤¹，周海林¹

1.吉林大学环境与资源学院，长春 130026;2.北京大学环境学院，北京 100871

收稿日期:2006-10-20 修回日期:1900-01-01 出版日期:2007-03-26 发布日期:2007-03-26
通讯作者: 张凤君

Effect of Dosing Powdered Activated Carbon on Operational Performances of MBR

ZHANG Feng-jun¹，WANG Shun-yi¹， LIU Tian²， SHA Na¹， WANG He¹， ZHOU Hai-lin¹

1.College of Environment and Resources, Jilin University, Changchun 130026, China;2.College of Environmental Sciences,Peking University,Beijing 100871,China

Received:2006-10-20 Revised:1900-01-01 Online:2007-03-26 Published:2007-03-26
Contact: ZHANG Feng-jun

摘要/Abstract

摘要： 试验研究比较了在相同的进水和运行条件下，反应器1(投加粉末活性炭，投加量为12.3 g,使其质量浓度达到1 100 mg/L)和反应器2(未投加粉末活性炭)的膜透水性及对污染物的去除效果，并分析了粉末活性炭可以提高膜过滤性能的相关机理。试验结果表明：反应器1的膜通量衰减速率明显小于反应器2；投加粉末活性炭改变了混合液的性质，也大大降低了混合液中胞外聚合物和微细胶体的含量，从而减缓了膜通量的下降速度，可以使系统长时间地以相对高的膜通量运行。

关键词: 膜生物反应器, 粉末活性炭, 膜通量, 胞外聚合物

Abstract: Under the same feed and operating conditions, membrane permeability and the removal effect of contaminant in the reactor one (dosing 12.3 g(1 100 mg/L) powdered activated carbon, PAC) and reactor two (not dosing PAC) were studied and compared. Moreover the mechanism that PAC enhancs the membrane permeability was analyzed. The results of the test showed that the decreasing rate of membrane flux was much slower in reactor one compared with that in the reactor two. And the results also showed that PAC addition not only changed the characteristics of mixed liquor but also reduced the content of extracellular polymeric substances (EPS) and microscopic colloids greatly, so the decline rate of membrane flux delayed significantly, and the higher membrane flux of MBR was maintained for a long time.

Key words: membrane bio-reactor(MBR), PAC, membrane flux, EPS

中图分类号:

X703

张凤君，王顺义，刘田，沙娜，王鹤，周海林. 投加粉末活性炭对MBR运行性能的影响[J]. J4, 2007, 37(2): 350-354.

ZHANG Feng-jun，WANG Shun-yi， LIU Tian， SHA Na， WANG He， ZHOU Hai-lin. Effect of Dosing Powdered Activated Carbon on Operational Performances of MBR[J]. J4, 2007, 37(2): 350-354.

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