Comparison of membrane fouling during short-term filtration of aerobic granular sludge and activated sludge

被引：75
|
作者：
Jun, Zhou [1 ]
Yang Feng-Lin [1 ]
Meng Fan-Gang [1 ]
Peng, An [1 ]
Di, Wang [1 ]
机构：
[1] Dalian Univ Technol, Sch Biol & Environm Sci & Technol, Dalian 116024, Peoples R China
来源：
JOURNAL OF ENVIRONMENTAL SCIENCES | 2007年 / 19卷 / 11期
关键词：
membrane bioreactor; membrane fouling; pore-blocking; cake layer resistance; aerobic granular sludge;
D O I：
10.1016/S1001-0742(07)60209-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Aerobic granular sludge was cultivated adopting internal-circulate sequencing batch airlift reactor. The contradistinctive experiment about short-term membrane fouling between aerobic granular sludge system and activated sludge system were investigated. The membrane foulants was also characterized by Fourier transform infrared (FTIR) spectroscopy technique. The results showed that the aerobic granular sludge had excellent denitrification ability; the removal efficiency of TN could reach 90%. The aerobic granular sludge could alleviate membrane fouling effectively. The steady membrane flux of aerobic granular sludge was twice as much as that of activated sludge system. In addition, it was found that the aerobic granular sludge could result in severe membrane pore-blocking, however, the activated sludge could cause severe cake fouling. The major components of the foulants were identified as comprising of proteins and polysaccharide materials.
引用
收藏
页码：1281 / 1286
页数：6
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