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《Industrial Water & Wastewater》 2006-04
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Viscosity of sludge in submerged membrane bioreactor

XU Yan-hong,ZHAO Xin-hua,SUN Bao-sheng,ZHANG Hai-feng(School of Environmental Science and Engineering,Tianjin University,tianjin 300072,China)  
The reason of the change of the sludge viscosity in submerged membrane bioreactor and the effect of the viscosity on the filtration resistance of the membrane were discussed.The results of the test showed that: high-concentration extracellular polymeric substances(EPS) accumulated in the reactor was the main reason caused the increasing of the sludge viscosity;the sludge viscosity changed with the variation of the EPS concentration,there existed a good relativity between the above two(r = 0.9958),and the relativity between the sludge viscosity and the filtration resistance of the membrane was also good(r = 0.9006).
【CateGory Index】: X703
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【Citations】
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【Co-citations】
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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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