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《Water & Wastewater Engineering》 2008-05
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Research on extraction of extracellular polymeric substances from activated sludge by ultrasonic and cation resin

Long Tengrui Luo Taizhong Long Xiangyu Li Jinyin Tang Ran (Faculty of Urban Construction and Environmental Engineering,Chongqing University,Chongqing 400045,China)  
Ultrasonic(US)method and cation resin(CR)method were combined to extract ex- tracellular polymeric substances(EPS)from activated sludge,and to study the efficiency of the dif- ferent combined extract methods.The research results showed that US-CR was the best than three different ways,US postposition processes such as CR-US or US-CR-US might lead more bacteriolysis. With advantages of easy manipulate and less pollution,US-CR was high efficient and secure extract meth- od compared to heating method and EDTA method.US-CR could get better efficient from different sludge,the amount of EPS extracted was about 8% to 13% of the volatile matter of sludge.
【Fund】: 国家“十五”科技攻关项目(2004BA604A01)
【CateGory Index】: X703
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【Citations】
Chinese Journal Full-text Database 5 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Lu Wen (Faculty of Environmental Science and Engineering,Kunming University of Science and Technology,Kunming 650093,China);The Influence of Extracellular Polymeric Substance (EPS) on Physical-chemical Properties of Sludge[J];Environmental Science and Management;2007-05
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【Co-references】
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1 LONG Xiang-yu,LONG Teng-rui,TANG Ran,LI Jin-yin,LUO Tai-zhong(Key Lab of Three Gorges Reservoir Region's Eco-Environment < Ministry of Education >,Chongqing University,Chongqing 400045,China);Study on Extraction of Extracellular Polymeric Substance from Activated Sludge Using Cation Exchange Resin[J];China Water & Wastewater;2008-03
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