29320093ActaScientiaeCircumstantiaeVo.l29,No.3Mar.,2009:(No.50830302)SupportedbytheNationalNaturalScienceFoundationofChina(No.50830302):(1964),,,E-mai:lwangj@ltsinghua.edu.cn;*()Biography:WANGJianlong(1964),male,professor,E-mai:lwangj@ltsinghua.edu.cn;*Correspondingauthor,,.2009.[J].,29(3):449-473WangJL,ZhangZJ,WuWW.2009.Researchadvancesinaerobicgranularsludge[J].ActaScientiaeCircumstantiae,29(3):449-473*,,,100084:2008-11-07:2009-01-07:(granulation),.,.:,;.,:(),(),().,,.,,..:;;;;:0253-2468(2009)03-449-25:X703:AResearchadvancesinaerobicgranularsludgeWANGJianlong*,ZHANGZijian,WUWeiweiLaboratoryofEnvironmentalTechnology,INET,TsinghuaUniversity,Beijing100084Received7November2008;accepted7January2009Abstract:Thegranulationofsludgeisaprocessofmicrobialsel-fimmobilizationduringthewastewatertreatmentprocessunderfavorableconditions.Granularsludgeisadenser,largerandbettermicrobialaggregate.Accordingtotheelectronacceptorsofmicrobialmetabolism,granularsludgecanbedividedintotwogeneralgroups,thatis,anaerobicandaerobicgranularsludge.Anaerobicgranularsludgehasbeenstudiedextensivelyfordecades,whereastheinterestinaerobicgranularsludgewasstartedjustseveralyearsago.Todate,theresearchesontheaerobicgranulationhavebeenfocusedontwoaspects:oneisontheformationofaerobicgranularsludgeonmacro-scale,inordertooptimizetheoperationalparameters;theotherisonthegranulationmechanismsandthemicrobialdiversity.Thispaperreviewedtheup-to-dateresearchandapplicationofaerobicgranularsludgenotonlyinChina,butalsoworldwide.Themaincontentsinclude:theperformanceofaerobicgranularsludge(morphologyandsize,settlingability,densityandstrength,biologicalactivity,cellsurfacehydrophobicity,extracellularpolysaccharidesetc.),thecultivatingconditions,granulationmechanismsandtheinfluencingfactors(organicloadingrates,substratesconstituents,hydrodynamicshearforce,settlingtime,operationalperiod,feedingmode,periodicstarvation,reactorconfiguration,dissolvedoxygenandtemperatureetc.),aswellastheapplicationofaerobicgranularsludge(industrialwastewatertreatment,municipalsewagetreatment,toxicorganicsdegradation,removalofnitrogenandphosphorus,andbiosorptionofheavymetalionsandradioactivewastesetc.).Thecompletelyautotrophicgranularsludge,suchasnitrifyinggranularsludge,wasalsomentioned.Thefutureconcernwillfocusontheup-scaling,manipulating,andoptimizingtheformationofaerobicgranules,thechangesinmicrobialactivityandcommunityinmatureaerobicgranules,aswellastheirlong-termstabilityinthereactors.Theintensiveandsuccessfulresearchesofthistechnologywillpromoteitfromlaboratorystudytothepilot-andful-lscaleapplications,whichwillforeseeitspromisingapplicationinpracticalwastewatertreatment.Keywords:Aerobicgranularsludge;granulation;wastewatertreatment;mechanism;influencingfactor291(Introduction)(granulation),(,2002).,,.,.,.,.80.Lettinga(UpflowAnaerobicSludgeBlanke,tUASB)(Lettingaetal.,1980;Hulshoffetal.,1983).,40kgm-3d-1).,(Guiotetal.,1991;LettingaandHulshoffPo,l1991;Fangetal.,1995;Blonskajaetal.,2003;Tiwarietal.,2006)..,2~8,30,(LiuandTay,2004);,,COD,,;,.,,,.,:(1),,;(2),,(),;(3),,;(4),,,,;(5)..,.,,;.2(Theresearchhistoryofaerobicgranularsludge).2090,.UASB,MishimaShin,(AerobicUpflowSludgeBlanke,tAUSB),(MishimaandNakamura,1991;Shinetal.,1992).,,.,Debeer,(Debeeretal.,1993).47,(DissolvedOxygen,DO)1m,0.36kgm-3d-1),1.81kgm-3d-1.TijhuisvanBenthum(BiofilmAifliftSuspension,BAS),()(Tijhuisetal.,1995;vanBenthumetal.,1996).,().,,,.2090(Adavetal.,2008).Krishna,--(poly--hydroxybutyrate,PHB),(KrishnaandvanLoosdrech,t1999);4503:(SequencingBatchReactor,SBR)PHB(vanLoosdrechtetal.,1997).MorgenrothSBR,CODSBR(Morgenrothetal.,1997).SBR,.,1997,(1).:1SCIFig.1SCIpaperonaerobicgranularsludgeresearch,;,.,.,.3(Theperformanceofaerobicgranularsludge).,.3.1(floc),,,(Tayetal.,2001a).,,,(2).,(2e)(2f).2Fig.2Theaerobicgranulescultivatedwithdifferentsubstrates45129,(,2002;Grotenhuisetal.,1991;E-lMamounietal.,1995;Beunetal.,2002;Tayetal.,2002b).,(LiuandTay,2002;Liuetal.,2003b).MuandYu(2006).(Muetal.,2008).0.30~8.00mm,()0.6(MishimaandNakamura,1991;Shinetal.,1992;Morgenrothetal.,1997;Beunetal.,1999;Tayetal.,2001a;Tayetal.,2001b;Tayetal.,2001c;Beunetal.,2002;Arrojoetal.,2004).0.15mm,...,.,;4.0mm,,(Tohetal.,2003).3.2,(Anuaretal,2007).(sludgevolumeindex,SVI).SVI.SVI90mLg-1,50mLg-1,120~150mLg-1(Jiangetal.,2002;Tohetal.,2003;Tayetal.,2005a).25~70mh-1,,3(LiuandTay,2004).7~10mh-1(Camposetal.,1999).,,,(,2007b).,,.,COD(Kimetal.,2008).,(SBR),,0.5mm,,SVI77mLg-1(,2008).Ca2+,,SVI19.2mLg-1.CaCO3(,2008).3.3,.1.004~1.065gL-1,1002~1.006gL-1(,1999;EttererandWilderer,2001;Tayetal.,2001b;Tsunedaetal.,2003).(Tohetal.,2003).(Renetal.,2008).(integritycoefficient).5min(200rmin-1).,95%,(Tayetal.,2002c;Tohetal.,2003)..3.4(SpecificOxygenUtilizationRate,SOUR),.SOUR,(,1999).SOUR48mgg-1h-1,559~96.5mgg-1h-1(Morgenrothetal.,1997;Tayetal.,2001a).,,SOUR110mgg-1h-1(Jiangetal.,2002).,4523:,..,SOUR(Tayetal.,2001c).,SOUR.,,SOUR(Linetal.,2003;Yangetal.,2004).3.5(cellsurfacehydrophobicity)(PringleandFletcher,1983;Kosetal.,2003;Liuetal.,2004d)..Liu(Liuetal.,2003d).2.,.(Tayetal.