不同接种物启动Anammox反应器的性能研究

2008,28(8)683~688ChinaEnvironmentalScienceAnammox,*,,(,310029)(UBF)(Anammox).,2Anammox..Logistic.Anammox,(49d),(8d),2090mg/(L⋅d);Anammox,(3d),(36d),1030mg/(L⋅d).2,Anammox.,Anammox.,Anammox.X703A10006923(2008)08068306PerformanceofAnammoxbioreactorsstartedupwithdifferentseedingsludges.TANGChong-jian,ZHENGPing*,CHENJian-wei,HUBao-lan(DepartmentofEnvironmentalEngineering,ZhejiangUniversity,Hangzhou310029,China).ChinaEnvironmentalScience,2008,28(8)683~688AbstractTwosetsofupflowbiofilmfilter(UBF)wereusedforanaerobicammoniaoxidation(Anammox)enrichmentfromconventionalsludges,whichincludinganaerobicgranularsludgeanddenitrificationsludge.Anammoxactivityoccurredinbothreactorswithcontinuousremovalofammoniumandnitrite.Thestart-upcourseofAnammoxbioreactorscouldbedividedintofourdifferentphasesthatincludingautolysisphase,lagphase,activityelevationphaseandstationaryphase.ThischaracteristicwasinaccordancewithLogisticequation.Whentransitedfromanaerobicgranularsludge,theautolysisphaselastedfor49days,andlagphaseonlyperformedfor8days.ThecorrespondingphasesofAnammoxbioreactorstartedupwithdenitrificationsludgelastedfor3and36days,respectively.ThemaximumsubstrateremovalrateoftheAnammoxbioreactorstartedupwithanaerobicgranularsludgewas2090mg/(L·d),whichwashigherthanthebioreactorstartedupwithdenitrificationsludge,i.e.1030mg/(L·d).Theperformancestabilityofbothreactorswasevaluatedusingthesubstrateremovalrate,substrateremovalefficiencyandeffluentsubstrateconcentrationaseffectivenessindexes.Uponcomparison,theperformancestabilityofAnammoxbioreactorstartedupwithanaerobicgranularsludgewasfoundsuperiortothereactorstartedupwithdenitrificationsludge,whichoccurredeasilyunderhightotalnitrogen(TN)loadingrates.Basedonthecharacteristicsofthefourphasesandstabilityperformance,controlstrategieswereproposedtoacceleratethestart-upofAnammoxbioreactors.KeywordsAnammoxanaerobicgranularsludgedenitrificationsludgestart-upcourse(Anammox)[14].,Anammox[23].,[38].Anammox,[2],Anammox[311].Anammox,.,[1115],,20080212(30770039);863(2006AA06Z332);(Y507227)*,,[e-mail]68428Anammox.2Anammox,,.11.1,(g/L):KH2PO40.01,CaCl2·2H2O0.0056,MgSO4·7H2O0.3,KHCO31.25;III1.25mL/L.NH4+NNO2N(NH4)2SO4NaNO2,.I(g/L):EDTA5,FeSO45.II(g/L):EDTA15,H3BO40.014,MnCl2·4H2O0.99,CuSO4·5H2O0.25,ZnSO4·7H2O0.43,NiCl2·6H2O0.19,NaSeO4·10H2O0.21,NaMoO4·2H2O0.22.1.2(UBF),,1.5L,1.1L(1).73%,,,.UBF,Anammox,,.pH6.8~7.0,(30±1).5612431Fig.1Schematicdiagramofexperimentalequipment1.2.3.UBF4.5.6.1.32UBF,UBF1UBF2.IC()(),1.1Table1characteristicsofthetwoseedingsludgeSS(g/L)VSS(g/L)VSS/SS(mm)51.243.50.851~430.219.30.641.4[16]:NH4+N;NO2NN(1);NO3N;SSVSS;pHpHS9V.22.1Anammox2.1.1UBF1UBF1,HRT10.1h,2.4:.1~49d.29dNH4+NNH4+N(70mg/L),NH4+N,[3,14].30~49d,NH4+NNH4+N(NH4+N0,2B),.50~57d.,NH4+N6.0%±2.6%.57d,NH4+N31.0%,NH4+N(2B),.,.58~98d.NH4+NNO2N58d70mg/L70mg/L98d318mg/L410mg/L,(TN)333mg/(L·d)(58d)1733mg/(L·d)(98d),8Anammox685100%(2B),1730mg/(L·d)(2A),Anammox[21mg/(L·d)][14].,,.NH4+NNO2NNO3N(1.32±0.15)/(0.002±0.004)(2C).NO2NNO3NAnammox[3,5],NO3NAnammox.25002000150010005000[mg/(L⋅d)]020406080100120A(d)14002040608010012014012060060(%)NH4+NNO2NB(d)60708010090110120130(d)2.01.51.00.500.261.32CNO2N/NH4+NNO3N/NH4+N2UBF1Fig.2PerformanceofUBF1duringstart-up99~122d.NH4+NNO2N338432mg/L400500mg/L,TN2140mg/(L·d),(1790±230)mg/(L·d),2090mg/(L·d),NH4+NNO2NNO3N1/(1.26±0.07)/(0.04±0.04)(2C).NO3NNH4+N0.26[2],..,(),,,,.AnammoxLogistic(1)[1718].1etartKN−=+(1):Ntt;a;K;r;t.LogisticAnammox([23]),R20.969(2A).2.1.2UBF2UBF2,NH4+NNO2N50mg/L,3.4d,HRT10.1h,.5dHRT15.3h,.(1~3d),NH4+N0(3B),NO2NNO3N3d(3C),UBF2UBF1.(4~39d),4~25d,NO2N0mg/L,NO3N[(1.1±1.0)mg/L](3C),NH4+N28.4%±22.8%(3B).26~33d,NO2N10~33.2mg/L(3C),NH4+N4.4%±11.6%(6.6%,3B).34~38d,NO2N(4.07±1.87)mg/L(3C),NH4+N45.4%±12.0%,39d65.6%(3B),68628.NO3N(4.8±1.7)mg/L(3C),,.304050706080901200800400012080400(%)[mg/(L⋅d)]A(d)020406080NH4+N(%)10050050100B(d)020406080100(d)6040200(mg/L)NO3NNO2NC3UBF2Fig.3PerformanceofUBF2duringstart-up(40~79d),NH4+NNO2N,NO3N(3C),890mg/(L·d)(3A).TN,,(80~86d),(1000±60)mg/(L·d).,UBF2NH4+NNO2NNO3N1/(1.30±0.11)/(0.15±0.03),80~86d,NO3N(3C),.UBF1,UBF2NO3NNH4+N0.26.,UBF2.2.1.32UBF1UBF2(2),,;,;,;,.2Anammox(d)Table2StartupofAnammoxbioreactors(d)UBF11~4950~5758~9899~122UBF21~34~3940~7980~86Anammox,:,,,pH,;,,;,,;,,.2.2AnammoxUBF1,88d,NH4+NNO2N262mg/L328mg/L,NH4+NNO2N52.9mg/L27.2mg/L,NH4+NNO2N98.6%100%(87d)79.8%91.7%(2B),1400mg/(L·d)(87d)1210mg/(L·d)(2A).,8Anammox68791d,NO2N0mg/L,NH4+N20mg/L,1370mg/(L·d)(2A).99~122d,12.8%,.UBF2,26~33d,,NH4+N263.6%.87~94d,TN1120mg/(L·d),(590±330)mg/(L·d),55.9%,.NH4+NNO2N301.4mg/L289.8mg/L,15.3%,170mg/(L·d),.[3,17].,[17].,(),(2)SR,[17].3.3UBF1UBF2Table3StabilityanalysisofUBF1andUBF2SR→→UBF14.160.60UBF21.691.95UBF10.280.90UBF20.366.70UBF11.103.14UBF21.517.06:UBF1UBF2500mg/(L⋅d),500~1500mg/(L⋅d),1500mg/(L⋅d)350mg/(L⋅d),350~750mg/(L⋅d),750mg/(L⋅d)10RSSS=(2):SR;S0;S1.3,,UBF1SR(),UBF1UBF2,UBF1UBF2,UBF1UBF2.,,(70%),.33.1,Anammox..Logistic.3.2Anam-mox,2090mg/(L·d);,(1790±230)mg/(L·d),12.8%,.Anammox1030mg/(L·d);,(590±330)mg/(L·d),55.9%,.3.3,Anam-mox:,pH,;,,;,(70%)