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(,410082),SBR,CharacteristicsofaerobicgranularsludgeanditsapplicationindenitrificationanddephosphorizationprocessXieShanLiXiaomingZengGuangmingYangQiLiuJingjin(DepartmentofEnvironmentalScienceandEngineering,HunanUniversity,Changsha410082)AbstractThispaperdescribesthesludgecharacteristics,cultivationconditionandaffectingfactorsofaerobicgranularsludge,comparesthegranularsludgecharacteristicsinthreedifferentkindsofsequencebatchreactor(SBR),andintroducestheformationmechanismofaerobicgranularsludgeaswellastheapplicationindenitrificationandde-phosphorizationprocess.Keywordsaerobicgranularsludge;formationmechanism;denitrificationanddephosphorization:(WJ2002101);(200219):2002-11-04;:2002-12-20:(1980),,,:1,,SBR-,,,,,,,,,,,2,,12mm(3mm[1]),[2],,(1)FengDangcong[3]:,,:DO,,[4],(Geotrichumsp.),,,47Vol.4,No.720037TechniquesandEquipmentforEnvironmentalPollutionControlJul.2003COD,1[2](gcm3)(%)SVI(mLg)(mggmin)1.00681.0072979820451.271.0021.006991001500.833.1(SRT)SRT,,SRT,,,,J.J.Beun[1]HRT6.75h,0.41cms,0.33cms0.67cms:4.6mm2.1mm,COD7.5kgm3d2.5kgm3d,1.2mm3.2(3.6cms2.4cms1.2cms0.3cms)SBR[5]:,,6.9gMLSSL6.5gMLSSL5.4gMLSSL,1.4gMLSSLSVI205mLg,,SVI55mLg,SVI170mLg,:,,,,50%80%,,,,,,,3.3[6]:,,,,,Chudoba[7]:,,,,,,,,[6],;,Buitron[8]SBR:15,45,,3.4DO,,,,FengDang-cong[3]:DO0.71.0mgL,,SVI100150mLg150200mLg,DO,,SVI80100mLg,,NH+3-NTN95%60%4Scuras[9](1),[1]:,SRT,,(717:1[9]),;,,56mm,DO,;,,,5(sequencingbatchbubblecolumn,SBBC)(biofilmairliftsuspension,BAS)(sequencingbatchairliftre-actor,SBAR)(SBR),J.-J.Beun[10]COD,,22(gSSL)(gSSL)(mm)(m2m3)SBAR4481.0758SBBC3122.0340BAS0.7150.3517002:SBBC,,SBBCSBAR,,,,;BAS,,Kwok[11](BAS),COD20kgm3d20gL,,BASHRT40minT.Etterer[12]BASSBBC,1.044gmL1.048gmL,,2.0cms,72%65%6COD,J.J.Beun[10]SBAR,(SND),NO-2NO-3CODCOD,NO-2NO-3;,NO-2NO-3,:,,NO-3NO-2N2;,NO-3;,NO-2NO-3COD(TN),(),,[5],,,(,),,85%,,[6][13,14],TNTP(2.36),,TNTP2.364.0,85.0%54.1%,SBR45,,,BOD,,,7242COD[15],2:SBR,,,SND[1]J.J.Beun,HendriksA.,vanLoosdrechtM.C.M.,etal.Aerobicgranulationinasequencingbatchreactor.Wat.Res.,1999,33(10):22832290[2],..,1999,20(2):3841[3]PengDangcong,NicolasBernet,Jean-PhilippeDelgenes,etal.Rapidcommunication:Aerobicgranularsludgeacasereport.Wat.Res.,1999,33(3):890893[4]MprgenrothE.,T.Sherden,vanLoosdrechtM.C.M.,etal.Rapidcommunication:Aerobicgranularsludgeinasequencingbatchreactor-acasereport.Wat.Res.,1997,31(12):31913194[5]J.-H.Tay,Q.-S.Liu,Y.Liu.Theeffectsofshearforceontheformation,structureandmetabolismofaerobicgranules.Appl.Microbiol.Biotechnol.,2001,57:227233[6]J.-H.Tay,Q.-S.Liu,Y.Liu.Microscopicobservationofaerobicgranulationinsequentialaerobicsludgeblanketreactor.JournalofAppl.Microbiol.,2001,91:168175[7]Chudoba,J.Controlofactivatedsludgefilamentousbulking.VI.formulationofbasicprinciples.Wat.Res.,1985,19:10171022[8]Buitron,G.,Capdeville,B.,Horny,P.Improvementandcontrolofthemicrobialactivityofamixedpopulationfordegra-dationofxenobioticcompounds.Wat.Sci.Tech.,1994,29(12):317326[9]ScurasS.,DaiggerG.T.,GradyC.P.L.Modellingtheacti-vatedsludgeflocmicroenvironment.Wat.Sci.Tech.,1998,37(45):243251[10]J.J.Beun,vanLoosdrechtM.C.M.,HeijnenJ.J.Aerobicgranulation.Wat.Sci.Tech.,2000,41(45):4148[11]KwokW.K.,vanLoosdrechtM.C.M.,HeijnenJ.J.Appli-cationofabiofilmairliftsuspensionreactorforaceticacidre-moval.InternalReport,DelftUniversityofTechnology,Delft,TheNetherlands,1996[12]T.Etterer,P.A.Wilderer.Generation,propertiesofaerobicgranularsludge.Wat.Sci.Tech.,2001,43(3):1926[13],,.SBR.,2001,22(2):8790[14],,.SBR.,2001,21(5):577581[15]..[],2001(:)737: