常温下厌氧氨氧化组合工艺处理低C省略量浓度比的城市污水的脱氮除磷性能邵和东1

471()Vol.47No.120161JournalofCentralSouthUniversity(ScienceandTechnology)Jan.2016DOI:10.11817/j.issn.1672-7207.2016.01.047CN1122231,3(1.1001242.1000223.150090)(SBR+SBBR)CN(ρ(C)/ρ(N))SBR−SBBRSBBR(DO)COD206mg/L51.52mg/L4.09mg/L10.7mg/L0.17mg/L(ρ(C)/ρ(N)=4)ASBBRDO(0.2~0.5mg/L)SBBRρ(C)/ρ(N)X703A1672−7207(2016)01−0344−06NitrogenandphosphorusremovalfromlowmassconcentrationratiobetweenCandNmunicipalwastewaterbasedonAnammoxprocessatambienttemperaturesSHAOHedong1,WANGShuying1,ZHANGLiang2,ZHANGShujun2,GANYiping2,YANGYandong3,PENGYongzhen1,3(1.BeijingKeyLaboratoryofWaterQualityScienceandWaterEnvironmentRecovery,BeijingUniversityofTechnology,Beijing100124,China;2.BeijingDrainageGroupCo.Ltd.,Beijing100022,China;3.StateKeyLaboratoryofUrbanWaterResourceandEnvironment,HarbinInstituteofTechnology,Harbin150090,China)Abstract:Acombinedprocessconsistingofasequencingbatchreactorandasequencingbatchbiofilmreactor(SBR+SBBR)wasusedtotreatmunicipalwastewateroflowmassconcentrationratiobetweenCandN(ρ(C)/ρ(N))atambienttemperature.Inthecombinedsystem,phosphoruswasefficientlyremovedintheSBRreactorthroughalternatelyanaerobic-aerobicoperation.ThentheeffluentofSBRwasfurthertreatedintheSBBRtoremoveammoniumthroughnitritation-Anammox(anaerobicammoniumoxidation)process.SBBRreactorwasinoculatedwithshortcutnitrificationsludgeandAnammoxbiofilm.AutotrophicnitrogenremovalwassuccessfullyachievedbycontrollingappropriateDOmassconcentrationfrom0.2to0.5mg/L.Duringthestableoperationofthecombinedsystem,theinfluentCOD,2015−01−292015−03−28(Foundationitem)(863)(2012AA063406)(Project(2012AA063406)supportedbytheNationalHighResearchDevelopmentProgram(863Program)ofChina)E-mail:[e-mail]1CN345TNandPO43−-Pmassconcentrationswere206,51.52and4.09mg/L,respectively.TheaveragemassconcentrationsofTNandPO43−-Pineffluentwere10.7and0.17mg/L,respectively.TheresultsshowthatthemunicipalwastewateroflowmassconcentrationratiobetweenCandN(ρ(C)/ρ(N)=4)canbewelltreatedinthecombinedsystem.Thefinaleffluentcanmeetthefirst-level(A)standardwithoutadditionalcarbonsource.FurtheranalysisindicatesthatcontrollingappropriateDOmassconcentrationintheSBBRreactoristhekeyfactorforstableoperationofthewholesystem,whichcanstabilizetheshortcutnitrification-Anammoxandpersistentlyinhibitthegrowthofnitrite-oxidizingbacteria.Keywords:wastewater;bioreactors;biofilm;nitrogenandphosphorusremoval;Anammox;SBBR;lowρ(C)/ρ(N)−[1][2][3](Anammox)[4][5]60%[6][4,7][8−10][11][12−14](SBR+SBBR)SBRSBBR−SBR+SBBR11.11SBR+SBBRSBRSBBR120LSBR3min30min120min1~24d30min5min25~82d5min5min50%SBRSBBR3min180~210min30min5minSBBRSBRSBBR22~28SBRDO3~5mg/L4~5dSBBRDO0.2~0.5mg/L45dSBR+SBBR6.8~7.3h182d21(1~24d)SBBRNH4+-N50mg/L2(25~82d)SBRSBBR1.2SBR100L8g/LSBR6.6g/LSBBR(60L)[15]SBBR()4734610%6g/LSBBR3g/L1pH7.3~7.61.30.45μmCODNH4+-NNO3−-NNO2−-NN-(1-)-−PO43−-PMLSSDOWTW340i(WTW)22.1SBRSBR224dSBRNH4+-N43.89mg/LPO43−-P4.09mg/Lρ(COD)/ρ(TN)(ρ(C)/ρ(N))4NH4+-NNO2−-NNO3−-N0.11mg/L0.25mg/LPO43−-P0.17mg/L95.8%30dSBR1COD33PO43−-P4.10mg/L13.10mg/LCOD181mg/L105mg/LCOD104mg/L80mg/LPO43−-P30min13.10mg/L0.20mg/L0.15mg/LSBR−AnammoxSBRSBR(SVI)138301SBR+SBBRFig.1SchematicdiagramofSBR+SBBRsystem1Table1CharacteristicofrawwastewaterCODNH4+-NNO2−-NNO3−-NTNPO43−-P/(mg·L−1)160.4~243.932.58~58.000~0.260~1.0639.4~65.032.58~5.72/(mg·L−1)206.5843.890.050.2451.524.091CN3471NH4+-N(inf);2NH4+-N(eff);3PO43−-P(inf);4PO43−-P(eff)2SBRFig.2VariationofnitrogenandphosphorusmassconcentrationinSBRreactor1COD;2PO43−-P3SBR1COD(30d)Fig.3VariationofphosphorusandCODmassconcentrationalongSBRreactorinacycle(30d)2.2SBBRSBRSBBRSBBR441~10d(ρ(DO)=0.1~0.2mg/L)11~20d0.20.8mg/LNH4+-NNO3−-N(TN)[16]NOBDONOBNO2−Anammox0.2mg/L21~44d0.20.5mg/L45dNH4+-N13d10.7mg/LNH4+-N2.45mg/L1NH4+-N(inf);2NH4+-N(eff);3NO2−-N(eff);4NO3−-N(eff)4SBBRFig.4VariationofnitrogenmassconcentrationinSBBRreactorDO0.5mg/LNOBSBBRCOD37~40mg/L10mg/LSBBR40.8mg/L(AOB)Anammox77dSBBR15SBBR(77d)5210min43.925.75mg/LNH4+-N36.622.46mg/LNO3−-N()473482.25mg/LNO2−-NPO43−-PNO2−-N[16]−1NH4+-N;2NO2−-N;3NO3−-N;4PO43−-P;5TN5SBBR(77d)Fig.5VariationsofpollutantsmassconcentrationalongonecycleinSBBRreactor(77d)2.3SBR+SBBRSBR+SBBR66SBR+SBBR80%SBBR0.16kg/(m3·d)SBR+SBBRCODPO43−-P1TN;2TN(inf);3TN(eff)6SBR+SBBRFig.6VariationoftotalnitrogenmassconcentrationandremovalefficiencyinSBR+SBBRsystem4.09mg/LCOD206.58mg/LPO43−-P0.17mg/LCOD43.1mg/LASBR+SBBRSBR+SBBR−[17][3,11]2SBRSBBRSBRSBBR(45d)[18]SBRNH4+-NSBBR(0.16kg/(m3·d))SBBR[19−20]31)SBR+SBBR51.52mg/Lρ(C)/ρ(N)410.7mg/LNH4+-N2.45mg/LPO43−-P0.17mg/LA2)SBR(4~5d)1CN3493)SBBRDODO0.2~0.5mg/L[1],.C/N[J].,2009,29(2):225−230.PENGYongzhen,MABin.ReviewofbiologicalnitrogenremovalenhancementtechnologiesandprocessesunderlowC/Nratio[J].ActaScientiaeCircumstantiae,2009,29(2):225−230.[2]DECLIPPELEIRH,YANX,VERSTRAETEW,etal.OLANDisfeasibletotreatsewage-likenitrogenconcentrationsatlowhydraulicresidencetime[J].AppliedMicrobiologyandBiotechnology,2011,90(4):1537−1545.[3]WINKLERMK,KLEEREBEZEMR,vanLOOSDRECHTM.Integrationofanammoxintotheaerobicgranularsludgeprocessformainstreamwastewatertreatmentatambienttemperatures[J].WaterResearch