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21320025JournalofWuxiUniversityofLightIndustryVol.21No.3May.2002:1009-038X(2002)03-0317-05:2002-04-10;:2002-04-28.:.:(1962-),,,,,.,,(,214036):,.,.,.SBR(SequencingBatchReactor).:;;:X172:ACultivationandPropertiesofAerobicGranularSludgeCHENJian,WANGQiang,DUGuo-cheng(TheKeyLaboratoryofIndustrialBiotechnology,MinistryofEducation,SouthernYangtzeUniversity,Wuxi214036,China)Abstract:Aerobicgranularsludgeistheself-immobilizedsludge,whichisrecentlyfoundundertheaerobiccondition.Aerobicgranularsludgedemonstrateshighsettlingvelocitiesleadingtogoodsolid-liquidseparation,highbiomassretention,highactivityandanabilitytowithstandhighloadingrates.Granulationisamultiplephaseprocess,whichisdependingonthecompositionofthesubstrate,theoperationconditionandselectivepressure.Sequencingbatchreactorisadvantageousfortheformationofaerobicgranularsludge.Thispaperpresentstheaerobicsludgegranulation,includingthegeneralproperties,microbialmorphology,themainconditionsofgranulation,thegenerationprocessandtheaerobicgranularsludgereactor.Keywords:aerobicgranularsludge;microbialmorphology;granulation,.0.22.0kg/(m3d)[1].,UASB(upflowanaerobicsludgeblanket)40kg/(m3d),UASB,,,.,[2].,,.,,,.,.,.11.1.BAS(biofilmairliftsuspension),,DeBeer[3],VanderHoek,Tijhuis[4]VanBenthum[5].1991,ShinH-S[6]MishimaK[7]AUSB(aerobicupflowsludgeblanket),,,.1997,Morgenroth[8]SBR(sequencingbatchreactor).Peng[9]SBR,,(DO0.71.0mg/L).Beun[10]SBR,,SBR.Beun[11],SBAR(sequencingbatchairliftreactor)SBRBAS,SBAR.Etterer[12],.,[13,14]-(SBR).[18]SBR.1.2.,.HRT()DO(),.DO,Sphaerotilusnatans/type1701Haliscomenobacterhydrossis,,.[8].,:;,;H/D(/),;,.,.,H/D.,[10].:SBR[810,12]SBAR[11]-[1315].SBR[16].1.3,:(1)[8,9,11,12],,25%;(2)COD[10],0.5%;(3)[1315].;,,.[15]SBR,.2,..-(AlternationofAnaerobic/AerobicPro-cess,AAA),0.51.5mm.318211mm.,0.5mm20%,,[13].SBR,1.94.6mm,,4.6mm[10].(shapefactor)0.45,(aspectratio)0.79.HRT[10].,SBR11.9g/L(/),1530g/L(/).3.26.88g/L(/)[10].SBAR,,48g/L(/)[11].COD1.21.5kg/(m3d),1.00681.00729g/cm3,1.0021.006g/cm3[13].Morgenroth[8]SBR,COD3.3kg/d,0.88g/L,(UASB)3160L-1;96.5mg/(gh)..1835m/h.SV14%30%,SVI12.664.5mL/g(36),SVI100150mL/g.,,,()[13].[14].97%98%,(99%),[13].(OURw),.OURw1.27mg/(gmin),OURw0.8mg/(gmin).,[13].SBR[10].30dSBARNH4+NO3-.,,[11].33.13.1.1CODCOD,.(HRT),,.COD,.COD,[10].3.1.2(SRT).SRTHRT.[8].SBR,,SRT,SRT9d[11].(10d)(16d)(0.10.5mm),,,,,,,.,SRT80100d,,[14].3.1.3,,.,,,,.,TN/TP[15].3.1.4.[14]-,,,,,,,,.:,,,;;,NO3-N3193:.3.1.5(HRT),,.SBR,HRT8h;HRT6.75h,,[10].HRT[10].3.1.6.(0.041m/s),,..(0.041m/s),,7.5kg/(m3d).(0.0140.020m/s)[10].3.2SBARSBRBAS,COD2.5kg/(m3d)86.4m/h,1.,SBR12.0g/L(/),SBAR48.0g/L(/);SBR(2.0mm)SBAR(1.0mm).SBRSBAR,SBAR[11].SBR.,,,,[10].BAS,[4],SBAR[11].,.4,,,;,[10].,,[13].Peng[9],,.Morgenroth[8],Geotrichumsp.,,.,,[13].1Tab.1PropertiesofaerobicgranularsludgeformedindifferentreactorsSBR[10]SBAR[11]BAS[4]HRT3.0g/L4.0g/L0.7g/L12.0g/L48.0g/L15.0g/L2.0mm1.0mm0.35mm(0.26mm)340m2/m3758m2/m31700m2/m3320215,[11].SBR,.COD,.COD,.SBR,,[10].,()()..,.,[11].,[10].,.,,,,,,,.,[15,16].Beun[10],,.,,.,.,,.56mm,.,...,.(HRT)(),[10].6,,,,,..,,,COD,;,.,,.:[1].[M].:,1989.[2]BEEFTINKHH.AnaerobicBacterialAggregates[D].Netherlands:UniversityofAmsterdam,1987.[3]DEBEERD,VANDERHEUVELJC,OTTENFRAFSPP.Microelectrodemeasurementsinnitrifyingaggregates[J].ApplEnvMicrobiol,1993,59:573-579.[4]TIJHUISL,VANLOOSDRECHTMCM,HEIJNENJJ.Formationandgrowthofheterotrophicaerobicbiofilmsonsmallsuspendedparticlesinairliftreactors[J].BiotechnolBioeng,1994,44:595-608.[5]VANBENTHUMWAJ,GARRIDO-FERNANDEZJM,TIJHUISL,etal.Formationanddetachmentofbiofilmsandgranulesinanitrifyingbiofilmairliftsuspensionreactor[J].BiotechnolProg,1996,12(6):764-772.[6]SHINH-S,LIMK-H,PARKH-S.Effectofshearstressongranulationinoxygenaerobicupflowsludgebedreactors[J].WatSciTech,1992,26(3-4):601-605.[7]MISHIMAK,MAKAMURAM.Self-immovilizationofaerobicactivatedsludge-apilotstudyoftheaerobicupflowsludgeblan-ketprocessinmunicipalsewagetreatment[J].WatSciTech,1991,23:981-990.(326)3213:[10]TOBAT,HAYASAKAI,TAGUCHIS,etal.Anewmethodformanufactureoflactose-hydrolysedfermentedmilk[J].JSciFoodAgric,1990,52:403-407.[11]AZHARA,HAMDYMK.Sonicationeffectonpotatostarchandsweetpotatopowder[J].JournalofFoodScience,1979,44:801-804.[12]WANGDZ,SAKAKIBARAM,KONDOHN,etal.Ultrasonic-enhancedlactosehydrolysisinmilkfermentationwithlacto-bacillusbulgaricus[J].JChemTechBiotechnol,1996,65:86-92.[13]THOMASBJ,MCINTOSHD,TAYLORSR,etal.Effectoflow-doseultrasonictreatmentongrowthratesandbiomassyieldofAnabaenaflosaquaeandSelenastrumcapricornutum[J].BiotechnolTech,1989,3(6):389-392.[14].[A].,,1999.[15],,.[J].,1997,25(10):110.[16],,.[J].,1997,25(9):142-144.[17],,.[J].,1997,22(4):250-253.[18],,.[J].,1997(3):112-114.[19],,.[J].,1999,27(12):79-81.[20]MORIKAWAT,OKAK,KOJIMAK.Fluidizationandfoamseparationinbrewing[J].TechqMasterBrewAssocAm,1996,33(1):54-58.[21]COAKLEYWT.Ultrasonicseparationsinanalyticalbiotechnology[J].Tibtech,1997,15:506-511.[22]HAWKESJJ,COAKLEYWT.Acontinuousflowultrasoniccell-filteringmethod[J].EnzymeMicrobTechnol,1996,19(1):5.[23]ENDOH,SODEK,ISAOK,etal.On-linemonitoringoftheviscosityi