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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > ABR除碳亚硝化耦合厌氧氨氧化处理城市污水李田
Eco-EnvironmentalKnowledgeWebEnvironmentalScience40320193Vol.40No.3Mar.2019ABR-111123123*1231.2150092.2150093.215009ABRABR-MiSeq.ABRCOD120mg·L-1ABR2∶1ANAMMOXNO-2-NNH+4-N1∶1.86%~92%COD20~40mg·L-1.γ-ProtebacteriaSphingobacteriaABR-.X703.1A0250-3301201903-1390-06DOI10.13227/j.hjkx.2018081262018-08-152018-09-0651578353BK201603561994~E-maillt690824185@sina.com*E-mailwupengniu@126.comABRDecarbonization-NitrosationCoupledwithANAMMOXtoTreatMunicipalWastewaterLITian1CAOJia-wei1XIEFeng-lian1SHENGYao-liang123WUPeng123*SONGYin-ling1231.SchoolofEnvironmentalScienceandEngineeringSuzhouUniversityofScienceandTechnologySuzhou215009China2.JiangsuCollaborativeInnovationCenterofTechnologyandMaterialofWaterTreatmentSuzhou215009China3.JiangsuKeyLaboratoryofEnvironmentalScienceandEngineeringSuzhou215009ChinaAbstractInordertopromotetheapplicationofanaerobicammoniumoxidationANAMMOXtotreatmunicipalwastewaternitrosationwascoupledwithANAMMOXandanABRdecarbonizationsystematthefrontofitthenusedtobuildasysteminwhichABRdecarbonization-nitrosationcoupledwithANAMMOXwasusedtotreatmunicipalwastewater.ThehighthroughputsequencingtechnologyofMiSeqwasemployedtoanalyzethestructureofthemicrobialcommunityinthesludge.ResultsshowedthattheaverageeffluentCODconcentrationofthecarbonremovalsystemwas120mg·L-1andthatthesubsequentnitrosationsystemandANAMMOXsystemwouldnotbeadverselyaffectedbytheeffluentCOD.ControlledbymatchingthenitrosationeffluentwiththatfromtheABRcarbonremovalsystem2∶1theANAMMOXinfluentkepttheratiooftheNO-2-NandNH+4-NmatrixtoANAMMOXatabout1∶1.Thetotalnitrogenremovalrateoftheintegratedreactorwas86%-92%andtheCODoftheeffluentwas20-40mg·L-1.Aftertheexperimentthenumberofbacteriainclassγ-Proteobacteriainthenitrosationsystemwhicharecloselyrelatedtodenitrificationincreased.MembersofclassSphingobacteriawhichhavethefunctionofenhancingthegrowthrateofmicroorganismsandenhancingtherateofdenitrificationweresignificantlyincreasedintheANAMMOXsystem.ThenitrogenandcarboninthemunicipalwastewatercouldbestablyandefficientlyremovedbytheABRDecarbonization-NitrosationcoupledwithANAMMOXprocess.KeywordsanaerobicammoniumoxidationANAMMOXnitrosationintegratedreactorstructureofmicrobialcommunityN、P..1anaerobicammoniumoxidationANAMMOXNO-2-NNH+4-N、、、2~5.-Sharon-ANAMMOX4~6.50%~60%NH+4-NNO-2-NANAMMOXANAMMOXNH+4-NNO-2-N7~9.-.3ABR-1011CSTR-MBRCSTR-MBRABRABR-CSTR-MBRMiSeqABR--.11.1116.24L63cm8cm30cmABR、CSTRMBR.ABR4∶145℃8.8L.2.64L0.96L.0.1μm0.2m23.84L.MBRABRNH+4-N∶NO-2-N1∶1.10min8min2min.30±1℃.1Fig.1Experimentalapparatus1.2ABRABR2/3MLSS7.9g·L-1.MLSS4.5g·L-16.9g·L-1.NH42SO4NH+4-N50mg·L-1COD300~400mg·L-1pH7.5.10mg·L-1、10mg·L-1、4mg·L-1.ⅠⅡ1mL·L-1.Ⅰg·L-1EDTA5FeSO45Ⅱg·L-1EDTA15ZnSO4·7H2O0.43CoCl2·6H2O0.24MnCl2·4H2O0.99CuSO4·5H2O0.25NaMoO4·2H2O0.22NiCl2·6H2O0.19NaSeO4·10H2O0.21H3BO40.014.1.31dNH+4-NNO-2-NN-1--NO-3-NMLSS、MLVSSSVI30minpHpHS-9VYSI550A.1.4CANONFastPrepDNAQBIOGENEUSADNADNA1%DNA.16SrRNA338FACTCCTACGGGAGGCAGCAG806RGGACTACHVGGGTWTCTAAT16SrRNAPCRPCRABIGeneAmp9700TransGenAP221-02TransStartFastpfuDNAPolymerase20μL.95℃3min95℃30s55℃30s72℃45s2772℃10min3.AxyPrepDNAAXYGENPCRPCRI-Sanger.22.1NH+4-N∶NO-2-N1∶112.ABRABR193140ABR2.NH+4-NNO-2-N1∶1.2-Fig.2Integratednitrosation-ANAMMOXprocessrouteABR-COD300~400mg·L-1、NH+4-N50mg·L-1、pH7.5HRT18h.ABRCOD120mg·L-11314.3HRT3h、DO0.8~1.2mg·L-1NH+4-N5d10mg·L-115NO-2-N20mg·L-135mg·L-1NO-3-N6mg·L-1COD40mg·L-1.70dNH+4-N6~10mg·L-180%~90%NH+4-NfreeammoniaFA.1617FAammoniaoxidizingbacteriaAOBnitriteoxidizingbacteriaNOB10~150mg·L-10.1~1.0mg·L-1NH+4-N6~10mg·L-1FA2~10mg·L-1NO-3-NNAR85%~93%.10%~15%18.5dNH+4-N.3Fig.3Changeofeffluentnitrogenconcentrationduringnitrosation2.2ABR37dABR1.5∶1、HRT4.5h4ABR--NH+4-NNO-2-N1~3mg·L-1.NH+4-NABRNH+4-N50mg·L-1NO-2-N0mg·L-1ABR1.5NO-2-N35mg·L-16~10mg·L-1NH+4-NNO-2-N∶NH+4-N0.6~0.8∶1119.NO-2-NNH+4-N1.32∶120NO-2-NANAMMOXNH+4-N.NH+4-N+1.32NO-2-N+0.066HCO-3+0.13H→+1.02N2+0.26NO-3-N+0.066CH2O0.05N0.15+2.03H2O137dABR1.5∶12∶1.NO-2-N∶NH+4-N1∶140d29313ABR-4Fig.4ChangeofinfluentandeffluentnitrogenconcentrationduringANAMMOXNH+4-N、NO-2-N3mg·L-1NO-3-N4mg·L-186%~92%.5ABRCOD60~80mg·L-1COD20~40mg·L-1.ANAMMOX21~23150mg·L-1ANAMMOX.2.3MiSeq499.99%5CODFig.5ChangeofCODconcentrationindifferentsystemsoftheintegratedreactor.1ACEChao124Chao1ACE.ShannonSimpsonShannon25ShannonABR--.SimpsonSimpsonSimpson.1Table1VariationofmicrobialdiversitybeforeandaftertheexperimentChao1ACEShannonSimpson/%6464.071.950.2499.9982.584.782.010.2699.99ANAMMOX7273.412.810.0899.99ANAMMOX9694.243.050.1199.996γ-ProtebacteriaProtebacteriaAOBγ-Protebacteria、26CODCODγ-ProtebacteriaNO-2-N、NO-3-NN2.SphingobacteriaSphingobacteriaEPSEPSSphingobacteria.73931406Fig.6Relativeabundanceofdifferentmicrobialclassesinthenitrosationsystembeforeandaftertheexperiment7Fig.7RelativeabundanceofdifferentmicrobialclassesintheANAMMOXsystembeforeandaftertheexperimentAnaerolineae、norank_p_WWE3、β-ProteobacteriaSphingobacteria.AnaerolineaeSphingobacteria27Sphingobacteria.31HRT3h、DO0.8~1.2mg·L-1FA2~10mg·L-1NH+4-N6~10mg·L-180%~90%NAR85%~93%COD40mg·L-1ANAMMOX.2ABR2∶1ANAMMOXNO-2-NNH+4-N1∶1.NH+4-N、NO-2-N3mg·L-1NO-3
本文标题:ABR除碳亚硝化耦合厌氧氨氧化处理城市污水李田
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