356201811JournalofUniversityofChineseAcademyofSciencesVol.35NovemberNo.62018*2016ZX05066006-001E-mailxcliu@ucas.ac.cn2095-6134201806-0845-06CANONC/N*12221111014082100022201710302018110LiJQHanXYHuangJetal.EffectsofparticlesizesandC/NratiosonthenitrogenremovalperformanceinCANONsystemJ.JournalofUniversityofChineseAcademyofSciences2018356845-850.SBRR10.2~0.5mm、R20.5~1mm、R3>1mmC/N。R1、R2、R3AOBNOBR2R1R3R2R1R3。C/N0.59kg/m3·d0.34kg/m3·d94.75%95.07%87.55%。CANONC/N1.5。C/NX703Adoi10.7523/j.issn.2095-6134.2018.06.017EffectsofparticlesizesandC/NratiosonthenitrogenremovalperformanceinCANONsystemLIJinqing1HANXiaoyu2HUANGJing2ZHANGShujun2LIUHonghui1LIUXinchun11CollegeofResourcesandEnvironmentUniversityofChineseAcademyofSciencesBeijing101408China2ResearchandDevelopmentCenterofBeijingDrainageGroupCorporationBeijing100022ChinaAbstractHighammonianitrogenwastewaterwastreatedinanintegratedanaerobicammoniaoxidationSBRreactor.EffectsofparticlesizesR10.2-0.5mmR20.5-1mmR3>1mmandC/Nratiosonthenitrogenremovalfromgranularsludgewerestudied.TheresultsshowedthattheAOBactivitiesofR1R2andR3decreasedinturnR2hadthehighestNOBactivityfollowedbyR1andR3hadthelowestandR2hadthehighestactivityofANAMMOXfollowedbyR1andR3hadthelowest.WhentheC/Nratioincreasedthegranularsludgemorphologychangedobviouslyandmicroscopicexaminationshowedthatthemiddleredpartgraduallyreducedandperipheral35yellowencirclementoccurred.Thetotalnitrogenremovalloadreducedfrom0.59kg/m3·dto0.34kg/m3·dandthetotalnitrogenremovalrateincreasedfrom94.75%to95.07%andthendecreasedto87.55%.TheresultsshowedthattheC/Nratioshouldnotexceed1.5inCANONprocess.KeywordsanaerobicammoniaoxidationgranulesizesgranulesC/NratioanaerobicammoniumoxidationAnammox2080NO2-—NNH4+—N11.320.26。1、、2DokHavenANAMMOX3.5a3。StrassDEMON0.5a4。0.5~1a5。6。completelyautotrophicnitrogenremovalovernitriteCANON。SBR3R1∶0.2~0.5mm、R2∶0.5~1mm、R3>1mmC/NCOD/TNCANON。11.1SBR1300mm1400mm100L90L。0.1mm10mm、、+、、5。1/330±1℃。1SBRFig.1SchematicoftheSBRreactor1.2NH4+—N=400~500mg/LNO2-—N=0~10mg/LNO3-—N=0~10mg/LCODpH7.43~8.26。<0.2mm46%258μm。1.3-N-1-CODpH、ORPWTWC400DOPARTECHSOURStrathkelvin6486CANONC/N3~430℃。CKSOURCKAOBSOURAOBNH4+—N100mg/LNOBSOURNOBNO2-—N30mg/L。SOUR3。1、0.5、0.2mmGB6003.1—2012R1∶0.2~0.5mmR2∶0.5~1mmR3>1mm。mastersizer2000。OLYMPUS-BX51。22.1。0~15d20min16~25d10min26~43d5min44~230d7min。2。2R135.0%R214.7%R33.7%。Ⅰ0~42dR135%~60%。Ⅱ43~107dR2R3R230%~40%R35%13%7。Ⅲ108~230dR3R1R2。、。Philips8DO3.3mg/L30μmDO0mg/L。Rathnayake9DO2mg/L300μmDO0mg/L100.5~1mm0.2~0.5mm>1mm。2Fig.2Variationinparticlesizeproportion1130%。3。Ⅰ0~42d46%9%3800mg/L1100mg/LⅡ43~107d1100mg/L1700mg/L15%Ⅲ108~230d1700mg/L5700mg/L12%26%8%。Ⅱ、Ⅲ30%0.48kg/m3·d。Hubaux12。13DODO1.2mg/L。DO0.55~2.37mg/LDO。2.2AOB、NOB、ANAMMOX0.5~1mm>1mm748353Fig.3VariationsinsludgeconcentrationandparticleproportionR1、R2、R3AOB、NOBANAMMOXAOB、NOBStrathkelvin。ANAMMOX1L3DO0.1mg/L30±0.4℃pH8.0±0.150mg/LANAMMOX。1R1、R2、R3AOB17.36、14.71、9.63mgO2/gVSS·hNOB8.55、9.05、5.30mgO2/gVSS·hR1AOBR2R3ZhangL14AOBAOBAOBNOBR1R2R3NOBNO2-—N。vanderStar15NOBNO2-—N12~955mmol/LNO2-—N0.2~3mmol/LNO2-—N。16DONOBNO2-—NNOB。1718。AOBAOBNOBANAMMOXNOBDODOANAMMOXR23.30mgN/gMLSS·hR30.34mgN/gMLSS·hR10.99mgN/gMLSS·h6>2.5mm、1.5~2.5mm、0.5~1.5mm。1mm19R1、R2R3。PCRR1、R2、R3copies/gMLSS1.20E+082.91E+09、1.16E+072.27E+08、1.01E+072.79E+08R1、R2、R34.13%、5.12%3.63%R1、R2R3。1mgO2/gVSS·hANAMMOXmgN/gMLSS·hTable1ResultsofSOURmgO2/gVSS·htestandANAMMOXactivitymgN/gMLSS·h/mmSOURCKSOURAOBSOURNOBANAMMOXR1∶0.2~0.52.19±0.3117.36±1.768.55±0.780.99±0.12R2∶0.5~12.05±0.2814.71±1.529.05±0.803.30±0.42R3>11.67±0.199.63±1.135.30±0.540.34±0.062.3C/NⅢC/NC/NCANON。4Ⅰ0~42d51.29mg/L8486CANONC/N1.12mg/L14.44mg/L30.12mg/L0.53kg/m3·d80.75%Ⅱ43~107d99.91mg/L4.62mg/L57.49mg/L26.81mg/L0.46kg/m3·d80.80%Ⅲ108~230d48.95mg/L2.66mg/L3.11mg/L。ⅢC/N=1、1.5、2、312.62、14.08、27.4147.38mg/LC/N=1、1.5、2、30.59kg/m3·d94.75%、0.53kg/m3·d95.07%、0.45kg/m3·d88.68%、0.34kg/m3·d87.55%Du20C/N=1C/N。Ni21C/N3。C/N=2C/N=11.5ⅠⅡ22。CANONC/N1.5。4Fig.4VariationsofinletandoutletTNNH4+—NNO3-—NandNO2-—NC/N5C/N=1C/N=1.5C/N=2C/N=3。C/N。。5C/N40XFig.5GranulogramsindifferentC/NconditionsMagnification40X31SBR107d。2AOBNOB0.5~1mm0.2~0.5mm>1mm。3CANONC/N1.5C/N。1MulderAvandeGraafAARobertsonLAetal.AnaerobicammoniumoxidationdiscoveredinadenitrifyingfluidizedbedreactorJ.FEMSMicrobiologyEcology1995163177-184.2StrousMHeijnenJJKuenenJGetal.Thesequencingbatchreactorasapowerfultoolforthestudyofslowlygrowinganaerobicammonium-oxidizingmicroorganismsJ.AppliedMicrobiology&Biotechnology1998505589-596.3WrVDSAbmaWRBlommersDetal.Startupofreactorsforanoxicammoniumoxidationexperiencesfromthefirstfull-scaleanammoxreactorinRotterdamJ.Water94835Research200741184149-4163.4WettB.DevelopmentandimplementationofarobustdeammonificationprocessJ.WaterScience&TechnologyAJournaloftheInternationalAssociationonWaterPollutionResearch200756781.5.D.2013.6.J.201434123078-3085.7.J.201431167-73.8PhilipsSLaanbroekHJVerstraeteW.OrigincausesandeffectsofincreasednitriteconcentrationsinaquaticenvironmentsJ.ReviewsinEnvironmentalScience&Biotechnology200212115-141.9Ra