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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(No.2007BAB23C02)31,21,2(1.,330047;2.,330031)(EPS),(Zeta)EPS,,EPSResearchprogressofextracellularpolymericsubstancesinwastewatertreatmentWanJinbao1,2,ZhuBanghui1,2.(1.KeyLaboratoryofPoyangEcologyandBio2resourceUtilization,MinistryofEducation,NanchangUniversity,NanchangJiangxi330047;2.InstituteofEnvironmentandChemistryEngineening,NanchangUniversity,Nan2changJiangxi330031)Abstract:ExtracellularPolymericSubstances(EPS),whichwerethepredominantconstituentsofactivatedsludge,influencedthesurfacecharacteristics(sludgemixedliquorhydrophobicityandZetapotential),flocculating,precipitationanddehydrationcapabilityofactivatedsludge.Thispapersummedupthedomesticandoverseasstudiesonthespacestructure,composition,physicalandchemicalpropertiesofEPS.Andupontherelevantresearch,italsointroducedthestudyandapplicationofEPSonbiofilmformation,sludgegranulation,heavymetaladsorption,biologi2caldephosphorizationandmembranepollutioninwastewatertreatment.Keywords:extracellularpolymericsubstances;biofilm;aerobicgranularsludge;heavymetaladsorption;mem2branepollution(EPS),,,EPS,,,,(Zeta),[123]1EPSTable1Spatialstructure,composingcomponentandphysicochemicalpropertiesofEPSEPS(BEPS)(TB),,,[49](LB)TB,,,,,EPS(SEPS)(SMP),,,TOCCOD[1013](PS),,,;[1419](PN);EPS,77©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)EPS,80%,1%15%,50%90%;,50%EPS40m,,EPS[20223]PSPNEPS,EPS70%80%;,PS,PN,EPSSEPSBEPS0.6%44.0%[24,25],[26]160221607,[27]33223382EPS[19],EPS[28],,EPS[29],EPS[30]ZHANG[31],EPSPS,PN,EPS,;EPS,,EPS,EPS[32],EPS,MC2SWAIN[33]EPS,PS,PN,CHEN[34,35]EPS,MCSWAINPN[36],,,[37],,PS,EPSEPS,,,EPS,,EPS,[38],,[39],EPS,,,EPS,33.1EPS[40],:;EPS;;[41]EPSCr(),EPSCr()pH0.52.0,Langmuir[42]CdEPS,EPS,CdCdEPS[43,44],EPSCu2+Zn2+[45,46],EPSPSPNPb2+Lang2muirFreundlich,PSPb2+PNCOMTE[47]SEPSBEPS,Cu2+Pb2+Ni2+,SEPSCu2+Pb2+Ni2+BEPS3.2,EPS[48][49]EPS,,EPS,8731720097©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[50],EPS,EPSCd2+Cu2+Cr2+Pb2+,PO324EPS3.3EPS,[51],EPS[52]EPS,[53]4()A,AEPS,BEPS,SEPS,,SEPSBEPS4EPS,[54]EPS[55],[56],,,,,,,EPS,[57],EPS4.1EPSROSENBERGER[58],BEPS,SEPS[59],SEPSEPSHERNANDEZ[60],SEPS,PNPS[61],EPSPNPSLEE[62]MUKAI[63],EPSPN,PN[27]3322338,SEPSBEPSPNLBMBR,PNPS,PS,PS,PS,EPS,,4.2EPSNAGAOKA[64](SMBR)EPSCHO[65]EPS,EPS[26]160221607SMBRSEPSBEPS,SEPSBEPS;SEPS,EPSEPS,,,SEPS[14],,,,PSEPS4.3EPS,(PAC)EPS,,,[66268]KIM[69],PACEPS50%EPS,[70],EPS,5EPS,BEPSSEPS,,EPS,97©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)EPS,,EPS,,,EPS,EPS,EPS(2),EPS,,EPS,EPS,EPS:[1],,.(EPS)[J].,2006,29(3):1082110.[2].EPS[J].,2007,32(5):27230.[3],,.[J].:,2005,32(5):3392341.[4],,.[J].,2003,13(9):3122341.[5]CIGDEME,KEVINJK,RONALDLD.Characterizationofsolubleorganicmatterofwasteactivatedsludgebeforeandaf2terthermalpretreatment[J].WaterResearch,2006,40(20):372523736.[6]TIANYu,ZHENGLei,SUNDezhi.Functionsandbehaviorsofac2tivatedsludgeextracellularpolymericsubstances(EPS):apromis2ingenvironmentalinterest[J].JournalofEnvironmentalScience,2006,18(3):4202427.[7]LIUYan,LIJin,QIUXiaofeng,etal.Bactericidalactivityofnitrogen2dopedmetaloxidenanocatalystsandtheinfluenceofbacterialextracellularpolymericsubstances(EPS)[J].JournalofPhotochemistryandPhotobiologyA:Chemistry,2007,190(1):942100.[8]LIXiaoyan,YANGShufang.Influenceoflooselyboundextra2cellularpolymericsubstances(EPS)ontheflocculation,sedi2mentationanddewaterabilityofactivatedsludge[J].WaterRe2search,2007,41(5):102221030.[9]YANGShufang,LIXiaoyan.Influencesofextracellularpoly2mericsubstances(EPS)onthecharacteristicsofactivatedsludgeundernon2steady2stateconditions[J].ProcessBiochem2istry,2009,44(1):91296.[10]CHANGIS,LEECH.Membranefiltrationcharacteristicsinmembrane2coupledactivatedsludgesystemtheeffectofphys2iologicalstatesofactivatedsludgeonmembranefouling[J].Desalination,1998,120(3):2212233.[11]LASPIDOUCS,RITTMANNBE.Aunifiedtheoryforex2tracellularpolymericsubstances,solublemicrobialproducts,andactiveandinertbiomass[J].WaterResearch,2002,36(1):271122720.[12]HUANGXia,LIURui,QIANYi.Behaviourofsolublemicro2bialproductsinamembranebioreactor[J].ProcessBiochem2istry,2002,36(5):4012406.[13]RAMESHA,LEEDJ,WANGML,etal.Biofoulinginmembranebioreactor[J].SeparationScienceandTechnology,2006,41(7):134521370.[14],,,.[J].,2008,31(9):992102.[15],,.[J].,2008,30(5):78282.[16],,,.EPS[J].,2008,15(1):66269.[17]VEGLIOF,BEOLCHINIF.Removalofmetalsbybiosorp2tion:areview[J].Hydrometallurgy,1997,44(3):3012316.[18]DIGNACMF,URBAINV,RYBACKID,etal.Chemicalde2scriptionofextracellularpolymers:implicationonactivatedsludgeflocstructure[J].WaterScienceandTechnology,1998,38(8/9):45253.[19],,,.[J].,2001,18(3):8522881.[20],,,.Ca2+pH[J].,2004,24(4):4372441.[21],,,.[J].,2008,24(4):5652569.[22],,,.[J].,2006,25(4):4392443.[23]URBAINV,BLOCKJC,MANEMJ.Bioflocculationinacti2vatedsludge,ananalyticapproach[J].WaterResearch,1993,27(5):8292838.[24]CESCUTTIP,TOFFANINR,POLL