FormationmechanismofaerobicgranularsludgeLiuKai,LiuMin,ChenYing,HeQiuyang,ChenChen(ArchitectureandEnvironmentCollege,SichuanUniversity,Chengdu610065,China),,,,(,610065)[],、、、、、,,,、、。[];;[]X703.1[]B[]1005-829X(2010)11-0016-04Abstract:Theresearchontheformationmechanismofaerobicgranularsludgeshowsthatthejointactionofwaterpowerforce,EPSandmicroorganismself-immobilization,etc.playsthekeyrole,butatpresent,therehasnotbeenafinalconclusion.Thebasiccharacteristicsisintroduced,andthehypothesesabouttheformationmechanisms,suchascurrentmaincrystalnuclei,selectivepressuredriving,cellsurfacehypophobicity,EPS,self-agglomerativeprinci-ple,hyphomycete,andstageformation,etc.aresummarized.Keywords:aerobicgranularsludge;biologicaltreatment;wastewatertreatment[](50608052)、,。20,,。,〔1〕。,,,,。,,。1,,、、、。:、、、、〔1〕。,〔2〕,1。。E.Morgenroth〔3〕,0.45,0.79。,、。〔1〕。3011201011IndustrialWaterTreatmentVol.30No.11Nov.,20101SVI/(mL·g-1)/(m·h-1)/mmSOUR/(mg·g-1·h-1)/(g·mL-1)40.8~1432.0~8.0AUSB80~10086.40.5~2.5AUSB20~4530~402.3596.3SBR0.3~0.5SBR1.9~4.6SBR50~8530~351.1~2.455.9~69.4SBR723.01.040~1.054SBR16——2010-11,30(11),,;,,;,(SND)〔4〕。2、,,。、、、,。2。2.1G.Lettinga〔5〕,,:。,,。,。J.J.Heijnen〔6〕(BAS)(0.1mm),COD,。J.P.vanderHoek〔7〕:。〔8〕,,,。,〔9〕,DO,,“”“”,,,“”。,“”。,〔10〕。。2.2(),〔11〕。,,。,“”,,、、。J.H.Tay〔12〕,。X.H.Wang〔13〕,,,,131d,。-,,(EPS)〔14〕,,,,,。2.3,Gibbs,,,,,。〔15〕:,。。B.M.Wilen〔16〕,,。,。,,。2.4(EPS),:2、、、、17——2010-11,30(11),、、、、。,。EPS。L.W.HulshoffPol〔11〕,。J.E.Schmidt〔17〕。C.DiIacoci〔18〕EPS。,EPS,〔19〕,,SBR,。。,EPS,。,EPS,。EPS,,。,EPS,。2.5,、,。〔20〕。H.H.Fang〔21〕,,,,,,,。,,E.Morgenroth〔3,22〕SBR。,,、。。2.6J.J.Beun〔22〕SBR。,()。,。,,、,,。。〔23〕,。SBR。D.C.Peng〔24〕:,。,。2.7。〔25〕,,,。,、。,,。,、。,,。,,、。Y.Liu〔26〕,,。,、。,、。,。,。,,。3,。。,。,,18——2010-11,30(11)。,。,、、。PCR、FISH,。,,,。,,。[][1]AdavSS,LeeDJ,ShowKY,etal.Aerobicgranularsludge:Re-centadvances[J].BiotechnologyAdvances,2008,26(5):411-423.[2],,.[J].,2006,31(6):97-99.[3]MorgenrothE,SherdenT,vanLoosdrechtMCM,etal.Aerobicgranularsludgeinasequencingbatchreactor[J].Wat.Res.,1997,31(12):3191-3194.[4],,.[J].,2008,30(5):78-82.[5]LettingaG,vanVelsenAFM,HobmaSW,etal.Useoftheupflowsludgeblanket(USB)reactorconceptforbiologicalwastewatertreat-mentespeciallyforanaerobictreatment[J].Biotech.Bioeng.,1980,22(4):699-734.[6]HeijnenJJ,vanLoosdrechtMCM,MulderR,etal.Developmentandscale-upofanaerobicbiofilmair-liftsuspensionreactor[J].Wat.Sci.Tech.,1993,27(5/6):253-261.[7]vandeHoekJP.Granulationofdenitrifyingsludge[M]//LettingaG,ZehnderAJB,GrotenhuisJTC,etal.Granularaerobicsludge.Pudoc:Wageningen,TheNetherlands,1988:203-210.[8],,,.[J].,2008,28(4):360-364.[9],,,.[J].:,2006,36(3):116-119.[10],,,.[M].:,2005:160.[11]HulshoffPolLW,deCastroLopesSI,LettingG,etal.Anaerobicsludgegranulation[J].Wat.Res.,2004,38(6):1376-1389.[12]TayJH,YangSF,LiuY.Hydraulicselectionpressure-inducedni-trifyinggranulationinsequencingbatchreactors[J].Appl.Micro-biol.Biotechnol.,2002,59(2/3):332-337.[13]WangXH,ZhangHM,YangFL,etal.Improvedstabilityandper-formanceofaerobicgranulesunderstepwiseincreasedselectionpressure[J].EnzymeMicrobialTechnol.,2007,41(3):205-211.[14]TrinetF,HeimR,AmarD,etal.Studyofbiofilmandfluidizationofbioparticlesinathree-phasefluidized-bedreactor[J].Wat.Sci.Tech.,1991,23:1347-1354.[15],,.[J].,2004,24(5):623-626.[16]WilenBM,OnukiM,HermanssonM,etal.Microbialcommunitystructureinactivatedsludgeflocanalysedbyfluorescenceinsituhybridizationanditsrelationtoflocstability[J].Wat.Res.,2008,42(8/9):2300-2308.[17]SchmidtJE,AhringBK.Granularformationinupflowanaerobicsludgebed(UASB)reactors[J].Biotech.Bioeng.,1996,49:229-246.[18]DiIaconiC,RamadoriR,LopezA,etal.Influenceofhydrodynamicshearforcesonpropertiesofgranularbiomassinasequencingbatchbiofilterreactor[J].Biochem.Eng.J.,2006,30:152-157.[19]ZhangXiaoqi,BishopPL.Biodegradabilityofbiofilmextracellularpolymericsubstances[J].Chemosphere,2003,50(1):63-69.[20],.[J].,1995,15(4):11-14.[21]FangHH.MicrobialdistributioninUASBgranulesanditsresultingeffects[J].Wat.Sci.Tech.,2000,42(12):201-208.[22]BeunJJ,HendriksA,vanLoosdrechtMCM,etal.Aerobicgranu-lationinasequencingbatchreactor[J].Wat.Res.,1999,33(10):2283-2290.[23],,,.、[J].,2005,27(7):485-488.[24]PengDangcong,NicolasB,Jean-PhilippeD,etal.Aerobicgranularsludge:Acasereport[J].Wat.Res.,1999,33(3):890-893.[25],,,.[J].http://[26]LiuYu,TayJH.Theessentialroleofhydrodynamicshearforceintheformationofbiofilmandgranularsludge[J].Wat.Res.,2002,36(7):1653-1665.[](1986—),。E-mail:l.kai1986@163.com,:13668171364。[]2010-07-17(),:2011《》19——