ABR反应器的启动及颗粒污泥特征的研究

26120071ENVIRONMENTALCHEMISTRYVo.l26,No.1January2007(2006810).*(50578012,50178009).ABR*芦家娟1王毅力2赵洪涛3韦红才2张征2(1,,100085;2,,100083;3,,117000)2030,ABR169d5,COD438kgCODm-3d-1,COD,(VFA)pH;,238mm,20mh-1,MLVSS/MLSS65%;(SVI).,,,,,.,,,,,,.ABR,,.(ABR),[1].ABR,[26],3540,.2030ABR.COD(VFA),.15mm,=500mm150mm310mm,1455L.5,,45,,,,RS008A(50W)2030.,CODNP=35051,Mg,FeCu,Co,NiMn,NaHCO3,pH6875.,,,.ABRpHCOD,(VFA).,.2ABR,24h,.COD076kgCODm-3d-1438kgCODm-3d-1,COD28kgCODm-3d-1,30%,20%.13,COD,5:(30d)COD800mgl-1,COD,300mgl-1,150mgl-1,COD;(18d)COD13001:ABR11mgl-1,COD,200300mgl-1,COD,88%83%,4d77%,72%85%,VFA315mmoll-1,pH704;(16d)COD1600mgl-1,COD300mgl-1,COD,5d3%(85%82%),79%;(15d)COD2000mgl-1,COD450mgl-1,300mgl-1,COD,85%77%,80%,VFA222mmoll-1,pH704;(90d)COD,40dCOD2550mgl-1,,COD67%,COD645mgl-1,VFA3511mmoll-1,pH6971,.116dCOD2000mgl-1,.3d,,COD88%,169d,COD2550mgl-1,COD90%,COD150mgl-1,VFA23mmoll-1,pH70.,CODABR,,COD.,1,VFAs,pH,,VFAs,H2/CO2(),pH(6872),,VFA,10mmoll-1,,VFA24mmoll-1,pH6872.COD,pH,,6973.,,,1226pH.,VFA.3,4.,1,,.2,,,.34,,,,4C,[7],.5,4E,.4Fig4BacteriaobservedintheABRthroughmicroscopicphotographicsystem,,5.30.5000.,,,5(a).,1,1,1.2,,3,,4,,,5,,.5(b),,,1,,.2,,,;1:ABR13.3,,,.45,,;.,4.,1,,,,,.(5(c)),.,.,.4,,,,,.4ABR[8],,.18d,086kgCODl-1d-1,5.,,2,283kgCODl-1d-1,,25.5,,438kgCODl-1d-1,,.,12,,,.1,3(MLSS),168gl-1,MLSS30gl-1,4,371gl-1.(MLVSS),3,5;,,,MLVSS510gl-1[13],.,12MLSSMLVSS,3.MLVSS/MLSS,35,4,MLVSS/MLSS65%,175%.Nachaiyasit[9]3:,ABRpH,.1,23,45..1Table1Physicalcharacteristicsofgranularsludgeineachcompartmentafterstartup12345(MLSS)/gl-1299308168371276/gl-173865711395(MLVSS)/gl-1226222111259181MLVSS/MLSS/%756721661698656(100ml)/%046533(SVI)/mlg-10133870811/mh-128984010349235423103/mm21132733235937714261:ABR15[10],18100mh-1,20mh-1.:3(SVI),387mlg-1,,33mm,,3492mh-1,;1SVI,,15,,,537mm,,.1SVI0,2898mh-1,3SVI,1,SVI,.,,,SVI,SVI;1,.,,5.,Sezgin[11]Barber[12],SVI,SVI.,,,.,1,2,4,5,3;,40m;,,,SVI.,,,,Barber[13],,.,,12mm,32mm,2,3,Holt[3],Barber[13][5];,,MLVSS/MLSS,.5(1)2030,169d,5ABR,COD438kgCODm-3d-1,(COD,VFA,pH).(2):,,,,,.(3),,,,.,.(4),238mm,20mh-1,MLVSS/MLSS65%;SVI,,387mlg-1,.[1],,,[J].,2002,22(4)58[2]BoopathyR,TilcheA,AnaerobicDigestionofHighStrengthMolassesWastewaterUsingHybridAnaerobicBaffledReactor[J].Wat.Res.,1991,25(7)785790[3]HoltCJ,MatthewRGS,TerzisE,AComparativeStudyUsingtheAnaerobicBaffledReactortoTreataPhenolicWastewater[C].Proceedingsofthe8thInternationalConferenceonAnaerobicDigestion.Send,iJapan.,1997,4047[4],,,[J].,1999,17(1)1216[5],,,ABR[J].,2002,28(9)3336[6],,,ABR[J].,2002,16(8)4244[7],,,[M].:,2001,37371626[8]BarberWP,StuckeyDC,TheUseoftheAnaerobicBaffledReactor(ABR)forWastewaterTreatment:aReview[J].Wat.Res.,1999,33(7)15591579[9]NachaiyasitS,StuckeyDC,TheEffectofShockLoadsonthePerformanceofAnaerobicBaffledReactor(ABR)..lStepChangesinFeedConcentrationatConstantRetentionTime[J].WaterRes.,1997,31(11)27372746[10],[M].:,2002,181187[11]SezginM,VariationofSludgeVolumeIndexwithActivatedSludgeCharacteristics[J].WaterRes.,1982,16(1)8388[12]BarberJ,VeenstraJ,EvaluationofBiologicalSludgePropertiesInfluencingVolumeReduction[J].J.WPCF,1986,58(2)149155[13]BarberWP,StuckeyDC,StartupStrategiesforAnaerobicBbaffledReactorsTreatingaSyntheticSucroseFeed[C].In:Proc8thInternationalCon.fOnAnaerobicDigestion,1997,3239THESTARTUPOFANAEROBICBAFFLEDREACTOR(ABR)ANDTHECHARACTERISTICSOFGRANULARSLUDGELUJiajuan1WANGYili2ZHAOHongtao3WEIHongcai2ZHANGZheng2(1StateKeyLaboratoryofEnvironmentalAquaticChemistry,ResearchCenterforEcoEnvironmentalSciences,ChineseAcademyofSciences,Beijing,100085,China;2CollegeofNatureResourceandEnvironment,BeijingForestryUniversity,Beijing,100083,China;3EconomicDevelopmentZoneAdministrationCommitteeofBenx,iLiaoningProvince,Benx,i117000,China)ABSTRACTThisstudyexaminedthestartupofanaerobicbaffledreactor(ABR)atthetemperatureof2030.Throughfivestageexperimentsduring169days,thevolumetricloadingrateoftheinfluentreachedaround438kgCODm-3d-1,andwithsuitablevaluesoftheeffluentCOD,volatilefattyacid(VFA)andpH.Abundantgranularsludgewithgoodcharacteristicswereexistedinthereactor,suchasgranularsize238mm,morethan20mh-1ofsettlingvelocitiesandMLVSS/MLSSabove65%.However,differentSVIvalueswerefoundineachcompartmen.tThemicroscopicanalysisresultsshowedthatcooperativeanaerobicmicrobialcommunitiesdistributedwithindifferentcompartments.Thedominantbacteriainthecompartmentonewerezymogen,andmuchfilamentousMethanogenicbacteriathatcanabsorbaceticacidwerealsoobserved.Towardstheendsofthereactor,thedominantbacterialpopulationsshiftedstepwisetoMethanogenicbacteriaingranularsludge,andappearinglotsofprotozoanandmetazoan.Astosinglegranularsludgewithdifferentshape,theairholeswereinitsunevensurface.Thefewermicrobeswerefoundinthecoreofthegranularthanonthesurface,whilethebacteriasecretionandinorganiccompoundsappearedoppositely.Keywords:anaerobicbaffledreactor,granularsludge,Methanogenicbacteria.