Operation performance and membrane fouling of a spiral symmetry stream anaerobic membrane bioreactor supplemented with biogas aeration

被引：20
作者：
Chen Xiaoguang [1 ]
Li Gang [1 ]
Lin Haibo [2 ,3 ]
Li Yuling [4 ]
Ma Yanxue [4 ]
Dai Ruobin [1 ]
Zhang Jiqiang [1 ]
机构：
[1] Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, Shanghai 201620, Peoples R China
[2] Sichuan Univ Sci & Engn, Sch Mech Engn, Zigong 643000, Peoples R China
[3] Sichuan Prov Key Lab Proc Equipment & Control, Zigong 643000, Peoples R China
[4] Donghua Univ, Coll Text, Shanghai 201620, Peoples R China
来源：
JOURNAL OF MEMBRANE SCIENCE | 2017年 / 539卷
基金：
上海市自然科学基金;
关键词：
Spiral symmetry stream anaerobic membrane bioreactor; Biogas aeration; Trans-membrane pressure; Extracellular polymeric substance; Membrane fouling; EXTRACELLULAR POLYMERIC SUBSTANCES; MUNICIPAL WASTE-WATER; ACTIVATED-SLUDGE; PIG MANURE; EPS; DIGESTION; REACTOR; RESISTANCE; EFFLUENT; PROTEIN;
D O I：
10.1016/j.memsci.2017.05.076
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The performances and membrane fouling of the spiral symmetry stream anaerobic membrane bioreactor (SSS-AnMBR) during stable operation period with and without biogas aeration were studied. The organic loading rate (OLR) and chemical oxygen demand (COD) removal rate of the SSS-AnMBR with aeration biogas condition were 2.28 kgCOD/(m(3) d) and 98.24%, respectively, higher than those without biogas aeration (2.13 kgCOD/(m(3) d) and 97.58%, respectively). Biogas aeration could reduce effectively membrane fouling, and the service time of the membrane was twice as much as without biogas aeration. Without biogas aeration, the main causes of membrane fouling were high total solids, volatile suspended solids and total extracellular polymeric substances (EPS) on the membrane surface; with biogas aeration, the main causes of membrane fouling were high slime-EPS, polysaccharide (PS) and small value of PN/PS on the membrane surface.
引用
收藏
页码：206 / 212
页数：7
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