Microbial adaptation to biodegrade toxic organic micro-pollutants in membrane bioreactor using different sludge sources

被引：45
|
作者：
Boonnorat, Jarungwit [1 ]
Chiemchaisri, Chart [1 ]
Chiemchaisri, Wilai [1 ]
Yamamoto, Kazuo [2 ]
机构：
[1] Kasetsart Univ, Dept Environm Engn, Fac Engn, Bangkok 10900, Thailand
[2] Univ Tokyo, Ctr Environm Sci, Tokyo 113, Japan
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 165卷
基金：
日本科学技术振兴机构;
关键词：
Bacterial community; Membrane bioreactor; Microbial adaptation; Micro-pollutants; PCR-DGGE; ACTIVATED-SLUDGE; PSEUDOMONAS; PHTHALATE; KINETICS; REMOVAL; WASTE;
D O I：
10.1016/j.biortech.2014.04.024
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Biodegradation of toxic organic micro-pollutants in municipal solid waste (MSW) leachate by membrane bioreactor (MBR) was investigated. The MBR systems were seeded with different sludge sources, one was from a pilot-scale MBR system treating MSW leachate and the other was from an activated sludge sewage treatment plant. The biodegradation of BPA, 2,6-DTBP, BHT, DEP, DBP and DEHP, DCP and BBzP, by sludge from both reactors were found improved with time. However, enhanced biodegradation of micro-pollutants was observed in MBR operated under long sludge age condition. Bacterial population analyses determined by PCR-DGGE revealed the development of phenol and phthalate degrading bacteria consortium in MBR sludge during its operation. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：50 / 59
页数：10
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