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20063211()JournalofShandongNormalUniversity(NaturalScience)Mar.2006Vol.21No.1(,250014,41,,),,.;;Q9361,..,.60(),,(),,,.,,,.,,,,(),,.,...,,..1935Butterfield,,.1976Nakamura214,19,AJ7002.1985,Takagi,PF101,[1];1986[2],NOC-1,,;1991KuraneAL-201,.2[3],:GrabtreePHB;;Friedman.GrabtreePHB,,PHB.Friedman,,,,.,,,,,.,.3,(pH).3.1.,,,.Aspergillussogae3080,,.Rhodcoccuserythropolis10015min,:2005-09-0150%..Paecilomycessp0100,.3.2pHpH().PaecilomycessppH47.5,,pH38,0.3.3,.,,.3.4,,,,,.4,,[4,5],[6,7],,.4.1,,,,.,(SVI),290,NOC-1,SVI50.,,,.4.2BOD,,,,.TOCTN,NOC-1Ca2+,10min,,TOCOD660,96%.C-62,96%.4.3,,,,.BOD,.Rerythroplis,.5,,.,.,:,..,,.6[1],,,.[J].,2002,26(4):123125[2]KuraneR.Screening,isolationandsomepropertiesofmicrobialcellflocculants[J].PPM,1992,50(10):4451[3],,.[M].,2001.205212[4]KuraneR.Screeningandcharacteristicsofmicrobialflocculants[J].AgricBiolChem,1986,50(9):23012307[5],,.-[J].,1998,17(4):355359[6],.[J].,1995,3(1):6569[7],.[J].(),2005,20(3):6971MICROBIALFLOCCULANTSINVESTIGATIONANDITSAPPLICATIONWuJunsen(DepartmentofEvnironmentEngineering,ShandongInstituteofArchitectureandEngineering,250014,Jinan,China)AbstractTheresearchsituationsofthemicrobialflocculantweresummarized.Theflocculantmechanismandtheeffectfactorsofflocculantabilityweresystemicallyintroduced.Moreover,theapplicationsofthewatertreatmentwerestudied.Keywordsflocculant;microbialflocculant;watertreatment68()21