SBR中厌氧颗粒污泥向好氧颗粒污泥的转化

SBR1,2,1,1,1(1.,100084,E2mail:[e-mail];2.,100084):SBR,UASB,.,,.,35d5g/L,SVI3040mL/g.4060d,0.5g/L.,,.,,.:;;SBR:X70311:A:025023301(2004)0420074204:2003206203;:2003212231:(59978020):(1977),,.CultivationofAerobicGranularSludgeinSBRbySeedingAnaerobicGranularSludgeHULin2lin1,WANGJian2long2,WENXiang2hua1,YANGNing1,QIANYi1(1.StateJointKeyLabofEnvironmentSimulationandPollutionControl,TsinghuaUniversity,Beijing100084,ChinaE2mail:[e-mail];2.LaboratoryofEnvironmentalTechnology,InstituteofNuclearEnergyTechnology,TsinghuaUniversity,Beijing100084,China)Abstract:AnaerobicgranularsludgewasinoculatedtoanaerobicSBR,whereCH3COONawasusedasthecarbonsource.Observa2tionsonthechangeofgranulesshapeandstructurerevealedthatthegranulesexperiencedashape2keepingandcomponent2replacingprocess.Thesludgeconcentrationincreasedatfirst4weeksandthendecreasedtoreachaconstantof5g/Lat35dwithitsSVIof3040mL/g.Granularsludgedominatedinthereactorandsuspendedsludgeconcentrationwaslessthan0.5g/Lduringtheendoftheprocess.Anaerobicgranularsludge,inwhichspheralbacteriawasthemainmicroorganism,wassuccessfullydevelopedtoaerobicgranularsludgeinwhichfilamentousandbacilliusbacteriawerethedominantmicroorganism.Keywords:anaerobicgranulesludge;aerobicgranulesludge;SBR20,.UASB(upflowanaerobicsludgeblan2ket),,COD40kg/(m3d)[1],..,2:.,,Delft,,[27].,,,.,[8].,.,.,[911],.,.25420047ENVIRONMENTALSCIENCEVol.25,No.4July,2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.__________________________________________________________________________________http:\\(252).SBR.6h,3min,5.5h,10min(355min),17min(22min).4L,4L.1Fig.1Schematicdiagramoftheexperimentinstallation2(40)Fig.2Photographsofthesludgeinthereactorondifferentweeksafterinoculation112.,,.COD500mg/L50mg/L.UASB2L,3123g/L.,,111mm.113MLSSMLVSSSVI:;:YSIMODEL58(:MODEL5739,USA);:();:();:50,ab,D=(ab)1/2,;:/,,SS;:1L,,,.2211,.(2a),,.1,(),,(2b).2,,,.(2c),,.3,574©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线_________________________________________________________________________________http:\\(2d),,.,(),.5,,(2e,2f).,,.(=7164m/h),.40d,,,.4Fig.4Scanningelectronmicroscopyphotographsoftheinoculatedsludgeandaerobicgranularsludge3,,,,,MLSS8g/L;4,,,MLSS,4060d,5g/L,(015g/L),.4060d,SS,SVI3040mg/L.3Fig.3ChangeinsludgeconcentrationinSBRreactor,,.,,,.,,.212,,(4a).(6000),()(4b),.(4c),,.8000,6725©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线_________________________________________________________________________________http:\\(4d),.,(4e),.,,,,,(4f),.213(1)111mm.,,,.112mm,.,015mm,4mm,70%016114mm.01145mm[1],.(2)9217%,9413%.(),28%.(3)72m/h,3814m/h,,.2260m/h,18100m/h[12],.(4)VSS/SS0157,.VSS/SS,10171,(VSS/SS018019).,.3(1),.(2),SBR5g/L,SVI3040mL/g.(3),,,.(4),;;;.:[1].[M].:,1998.126127.[2]MorgenrothE,SherdenT,VanLoosdrechtMCM,etal.Aero2bicgranularsludgeinasequencingbatchreactor[J].WaterRe2search,1997,31(12):31913194.[3]BeunJJ,HendriksA,vanLoosderchtMCM,etal.Aerobicgranulationinasequencingbatchreactor[J].WaterResearch,1999,33(10):22832290.[4]BeunJJ,vanLoosdrechtMCM,HeijnenJJ.Aerobicgranulation[J].WaterScienceandTechnology,2000,41(4):4148.[5]TayJH,LiuQS,LiuY.Aerobicgranulationinsequentialsludgeblanketreactor[J].WaterScienceandTechnology,2002,46(425):1318.[6]BeunJJ,vanLoosdrechtMCM,HeijnenJJ.Aerobicgranulationinasequencingbatchairliftreactor[J].WaterResearch,2002,36:702712.[7]TayJH,YangSF,LiuY.Hydraulicselectionpressure2inducednitrifyinggranulationinsequencingbatchreactors[J].AppliedMicrobiologyandBiotechnology,2002,59:332337.[8],.UASB[M].:,2000.166174.[9],,,.2[J].,1999,19(4):394398.[10],.[J].,1999,20(2):3942.[11],,,.SBR[J].,2001,22(2):8790.[12]SchmitE,AhringBR.Granularsludgeformationinupflowanaerobicsludgeblanket(UASB)reactors[J].BiotechnologyandBioengineering,1996,49(3):229246.774©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线_________________________________________________________________________________http:\\