Membrane Fouling Control in an Anaerobic Membrane Bioreactor Coupled with Online Ultrasound Equipment for Digestion of Waste Activated Sludge

被引：30
作者：
Xu, Meilan [1 ]
Wen, Xianghua [1 ]
Huang, Xia [1 ]
Li, Yushan [2 ]
机构：
[1] Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
[2] Beijing Jiaotong Univ, Dept Municipal & Environm Engn, Sch Civil Engn, Beijing, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2010年 / 45卷 / 07期
关键词：
anaerobic membrane bioreactor; cake layer; membrane fouling; ultrasound; waste activated sludge; POLYMERIC MEMBRANES; WATER-TREATMENT; ULTRAFILTRATION; PERFORMANCE; FILTRATION; MECHANISMS; REACTOR; FLUX;
D O I：
10.1080/01496391003659903
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, an online ultrasonic equipment was employed to control membrane fouling in an anaerobic membrane bioreactor for waste activated sludge digestion. Four groups of ultrasound parameters were tested for the performance of membrane fouling control. The ultrasound power intensity of 0.18W/cm2 and timing of 3min/h were considered to be optimal since that membrane fouling could be effectively controlled and no membrane damage was observed. The results of the analysis on the membrane fouling contributions and the scanning electron microscope observation of the fouled membrane indicated that the cake layer, which was the dominant membrane fouling, could be controlled effectively by ultrasound.
引用
收藏
页码：941 / 947
页数：7
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