Evaluation of Filtration-backwash Modes on Membrane Fouling Control for Activated Sludge Suspensions Treatment

被引：0
|
作者：
Yao, Wei [1 ]
Wang, Zhan [1 ]
机构：
[1] Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
来源：
2018 4TH INTERNATIONAL CONFERENCE ON GREEN MATERIALS AND ENVIRONMENTAL ENGINEERING (GMEE 2018) | 2018年
基金：
中国国家自然科学基金;
关键词：
Filtration-backwash mode; Sludge suspensions; Effects and evaluation; MICROFILTRATION;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study focused on the effects of three different filtration-backwash modes on membrane fouling control for various sludge suspensions treatment. A relatively slow flux decline profile showed that more frequent and shorter backwashing mode (Mode 1) had a less fouling tendency. Moreover, this mode possessed higher capacity to remove the reversible fouling with higher hydraulic cleaning efficiency (HCE) and lower hydraulically irreversible fouling index (HIFI). Typically, when fed with higher carbon-to-nitrogen ratio suspension (SBR6), the HCE value of Mode 1 was over twice as high as that of Mode 3 (less frequent and longer backwashing).
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页数：5
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