SBR中厌氧颗粒污泥向好氧颗粒污泥的转化胡林林

SBR1,2,1,1,1(1.,　100084,E-mail:[e-mail];2.,　100084):SBR,UASB,.、,,.,35d5g/L,SVI30～40mL/g.40～60d,0.5g/L.、,,、、.,,.:;;SBR:X703.1　:A　:0250-3301(2004)04-0074-04:2003-06-03;:2003-12-31:(59978020):(1977～),,.CultivationofAerobicGranularSludgeinSBRbySeedingAnaerobicGranularSludgeHULin-lin1,WANGJian-long2,WENXiang-hua1,YANGNing1,QIANYi1(1.StateJointKeyLabofEnvironmentSimulationandPollutionControl,TsinghuaUniversity,Beijing100084,ChinaE-mail:[e-mail];2.LaboratoryofEnvironmentalTechnology,InstituteofNuclearEnergyTechnology,TsinghuaUniversity,Beijing100084,China)Abstract:AnaerobicgranularsludgewasinoculatedtoanaerobicSBR,whereCH3COONawasusedasthecarbonsource.Observa-tionsonthechangeofgranules'shapeandstructurerevealedthatthegranulesexperiencedashape-keepingandcomponent-replacingprocess.Thesludgeconcentrationincreasedatfirst4weeksandthendecreasedtoreachaconstantof5g/Lat35dwithitsSVIof30～40mL/g.Granularsludgedominatedinthereactorandsuspendedsludgeconcentrationwaslessthan0.5g/Lduringtheendoftheprocess.Anaerobicgranularsludge,inwhichspheralbacteriawasthemainmicroorganism,wassuccessfullydevelopedtoaerobicgranularsludgeinwhichfilamentousandbacilliusbacteriawerethedominantmicroorganism.Keywords:anaerobicgranulesludge;aerobicgranulesludge;SBR　　20,.UASB(upflowanaerobicsludgeblan-ket),,COD40kg/(m3·d)[1],..,2:.,,Delft,,、[2～7].,,,.,[8].,.,.,[9～11],.,.25420047　　　　　　ENVIRONMENTALSCIENCEVol.25,No.4July,2004DOI:10.13227/j.hjkx.2004.04.0151　1.1　1.SBR,5L.,60L/h.(25±2)℃.SBR.6h,3min,5.5h,10min(355min),17min(22min).4L,4L.1　Fig.1　Schematicdiagramoftheexperimentinstallation2　(×40)Fig.2　Photographsofthesludgeinthereactorondifferentweeksafterinoculation1.2　.,,、、、.COD500mg/L50mg/L.UASB2L,3.23g/L.,,1.1mm.1.3　MLSS、MLVSS、SVI:;:YSIMODEL58(:MODEL5739,USA);:();:();:50,ab,D=(ab)1/2,;:/,,SS;:1L,,,.2　2.1　,.(2a),,.1,(),,(2b).2,,,.(2c),,.3,754　　　　　　,,(2d),,.,(),.5,,(2e,2f).,,.(=7.64m/h),.40d,,,.4　Fig.4　Scanningelectronmicroscopyphotographsoftheinoculatedsludgeandaerobicgranularsludge3,,,,,MLSS8g/L;4,,,MLSS,40～60d,5g/L,(0.5g/L),.40～60d,SS,SVI30～40mg/L.3　Fig.3　ChangeinsludgeconcentrationinSBRreactor　　,,.,,“”,.,“”,.2.2　,,(4a).(×6000),()(4b),.(4c),,.8000,76　　　　　　25,(4d),.,(4e),.,,,,,(4f),.2.3　(1)　1.1mm.,,,.1.2mm,.,0.5mm,4mm,70%0.6～1.4mm.0.14～5mm[1],.(2)　92.7%,94.3%.(),28%.(3)　72m/h,38.4m/h,,.22～60m/h,18～100m/h[12],.(4)VSS/SS　0.57,.VSS/SS,10.71,(VSS/SS0.8～0.9).,.3　(1),.(2),SBR5g/L,SVI30～40mL/g.(3),,,.(4),;;;.:[1]　.[M].:,1998.126～127.[2]　MorgenrothE,SherdenT,VanLoosdrechtMCM,etal.Aero-bicgranularsludgeinasequencingbatchreactor[J].WaterRe-search,1997,31(12):3191～3194.[3]　BeunJJ,HendriksA,vanLoosderchtMCM,etal.Aerobicgranulationinasequencingbatchreactor[J].WaterResearch,1999,33(10):2283～2290.[4]　BeunJJ,vanLoosdrechtMCM,HeijnenJJ.Aerobicgranulation[J].WaterScienceandTechnology,2000,41(4):41～48.[5]　TayJH,LiuQS,LiuY.Aerobicgranulationinsequentialsludgeblanketreactor[J].WaterScienceandTechnology,2002,46(4-5):13～18.[6]　BeunJJ,vanLoosdrechtMCM,HeijnenJJ.Aerobicgranulationinasequencingbatchairliftreactor[J].WaterResearch,2002,36:702～712.[7]　TayJH,YangSF,LiuY.Hydraulicselectionpressure-inducednitrifyinggranulationinsequencingbatchreactors[J].AppliedMicrobiologyandBiotechnology,2002,59:332～337.[8]　,.UASB[M].:,2000.166～174.[9]　,,,.-[J].,1999,19(4):394～398.[10]　,.[J].,1999,20(2):39～42.[11]　,,,.SBR[J].,2001,22(2):87～90.[12]　SchmitE,AhringBR.Granularsludgeformationinupflowanaerobicsludgeblanket(UASB)reactors[J].BiotechnologyandBioengineering,1996,49(3):229～246.774