高浓度含氮废水生物脱氮新工艺研究

:2007-03-30:(20377013);(020959);:(1982-),,,NewBiologicalDenitrifyingTechnologyfortheRemovalofHighConcentrationNitrogeninWastewater(510640)-UASB,-UASB-UASB-,,NH+4-NNO-2-NTN9919%9919%9010%,pH815NH+4-NNO-2-NNO-3-NANAMMOX,pHANAMMOX,UASB-UASBUASBAbstractANAMMOX-UASBprocessisakindofnewbiologicaldenitrifyingtechnologyfortheremovalofhighcon2centrationnitrogeninwastewatertreatment.ANAMMOX-UASBreactorandANAMMOX-UASB-biofilmreactoraretowkindsofbioreactors,whichwereoperatingwellinthesameconditions,andthenitrogencouldberemovedcontinuously.TheremovalefficiencyofNH+4-NandNO-2-Nwas9919%and9919%,respectively;over9010%ofthetotalnitrogen(TN)wasremoved;theeffluentpHvaluewaskeptaround815.TheratioofremovedNH+4-N,NO-2-NandproducedNO-3-NcouldindicatetheoperationoftheANAMMOXreactors.ThealkalinityisnecessaryforANAMMOXprocess,sothatthepHvaluecouldreflectthegrowthrateofANAMMOXbacteria.BiofilmshaddevelopedonthesupportmediaandthebacteriaincreasedrapidlyaccommodatedtotheoperationmodeofANAMMOXinUASBreactor.TheUASB-biofilmreac2torperformedbetterthanthecommonUASBreactorwhichhadnobiofilm.KeywordsAnaerobicAmmoniumOxidationNitrogenRemovalWastewaterTreatmentUASB,,,Delft[1],(ANAMMOX)(ANAMMOX),(NO-2-N),(NH+4-N)(N2)[2]15N,N(NO-2-N),N(NH+4-N)(NH2OH)(N2H4)[3]NH+4+NO-2N2+2H2O1977Broda[4](ANAMMOX),Planctomycetales,Candi2datusBrocasiaanammoxidans[4]CandidatusB.anammoxidans,,pH81040,11d[5],434120082,,pH-UASB(Reactor1)-UASB-(Reactor2)11.1[6],NH4ClNaNO2MgSO4KH2PO4CaCl2NaH2CO3(FeSO4)(H3BO4ZnSO47H2OCoCl26H2OMnCl24H2OCuSO45H2ONiCl26H2O)313gL-11.2(UASB),312L,2128L,0192L1[7]1.UASB2.3.4.5.6.7.8.11.3NH+4-NNO-2-NNO-3-NNH+4-N,NO-2-NN-(1-)-,NO-3-NpH2-UASB(Reactor1)-UASB-(Reactor2)R2,(Fe)R1R2,,(321)110d,R1R2,ANAMMOX,,2.1R1R2110d,ANAM2MOX,,R1;R2(Fe),,R1R2StrousANAMMOX,,,,NH+4-NNO-2-NNO-3-N23,NH+4-NNO-2-N,,3060mgL-1,80mgL-1,ANAMMOX,,,,ANAMMOX,NO-3-NR1R2,170d,,R101068kg/m3d,NH+4-NNO-2-N90%95%,(TN),52R1NH+4-NNO-2-NNO-3-N3R2NH+4-NNO-2-NNO-3-N55%R201092kg/m3d,NH+4-NNO-2-NTN95%99%80%,,R1R201227kg/m3d01230kg/m3d180220d,R1,,NH+4-N1535mg/L,40mg/L,NO-3-N50mg/L,R2,NH+4-NNO-2-NTNR1230d,R1R2,NH+4-NNO-2-N9919%,TN90%,NO-3-N1530mg/L,370d,R1R2,R1,NO-3-N70mg/L2.22.2.1NH+4-NNO-2-N(ANAMMOX),[8],;,,,,()VandeGraaf[9],,CO2NO-2-NNO-3-N,NO-3-NNH+4-NNO-2-NNO-3-N4110180d,,NO-2-NNH+4-N,NO-2-NNH+4-N,,NO-2-NNH+4-N,,6341200824R2NO-2-NNH+4-N,,NO-2-NNH4+-N180d110113115,115,NO-2-NNH+4-N,300420d,NH+4-N,NO-2-N,NO-2-N[10]2.2.2pHTN,ANAMMOX[11],pH,;,pH,,pH,pH,NH+4-NNO-2-N,,pHNO-2-NNH+4-N,,pH[12],(ANAMMOX)pH615910,pH810[13,14]NaHCO3pH714719,,pH815,ANAMMOX,pH5,pH,R2pH,160dpH814,5pHTN;R1pH,715,210d,814ANAMMOXTNpH,pH814,TN,90%,ANAMMOX,,pH814,TN90%,,340d,pH,R1pH,pH7TN,,,pH716,TN65%,pH,,R2pH,pH,715,TN,90%20d,R2pH814,pH,R1,pHTN,61560%,pH,R1pHTNR2,pH815,TN,R2,R1,,R2(Fe),3-UASB(Reactor1)-UASB-(Reactor2),,NH+4-NNO-2-NTN9919%9919%9010%,pH815NH+4-NNO-2-NNO-3-N,ANAM2MOX,pH,ANAMMOXR2,R1,R1ANAMMOX,,,ANAMMOX,1.MulderA,vandeGraafAA,RobertsonLA,KuenenJG.An2aerobicammoniumoxidationdiscoveredinadenitrifyingfluidizedbedreactor[J].FEMSMicrobiolEcol,1995,16:177184.2.Strous,M.,Kuenen,J.G.,Jetten,M.S.M.,Keyphysiologyofanaerobicammoniumoxidation[J].Appl.Environ.Microbi2ol.,1999,65:32483250.3.VandeGraafAA,deBruijnP,RoberstonLA,etal.Metabolicpathwayofanaerobicammoniumoxidationonthebasisof15Nstudiesinafluidizedbedreactor[J].Microbiology,1997,143:24152421.4.StrousM,FuerstJA,KramerEHM,LogemannS,MuyzerG,vandePas-SchoonenKT,WebbR.,KuenenJG,JettenMSM.Missinglitotrophidentifiedasnewplanctomycete[J].Na2ture,1999,400:446449.5.JettenMSM,StrousM,vandePas-SchoonenKT,etal.Theanaerobicoxidationofammonium[J].FEMSMicrobiolRev,1999,22:421437.6.,.[J].,2005,56(10):18261831.7.,.UASB[J].,2005,24(6):15.8.SchmidtI,SliekersO,SchmidM,etal.Aerobicandanaerobicammoniaoxidizingbacteriacompetitorsornaturalpartners[J].FEMSMicrobiologyEcology,2002,39(3):175181.9.VandeGraafAA,DeBruijnP,RobertsonLA,etal.Autotro2phlicgrowthofanaerobicammonium-oxidizingmicro-organ2ismsinafluidizedbedreactor[J].Microbiology,1996,142(8):21872196.10.S.K.Toh.,Webb,N.J.Ashbolt.Enrichmentofautotrophicanaerobicammonium-oxidizingconsortiafromvariouswastewaters[J].MicrobEcol,2002,43:154167.11..[J].(),2000,28(11):1619.12.A.Mosquera-Corral,F.Gonzalez,etal.PartialnitrificationinaSHARONreactorinthepresenceofsaltsandorganiccar2boncompounds[J].ProcessBiochemistry,2005,40:31093118.13.StrousM,etal.Keyphysiologyofanaerobicammoniumoxida2tion[J].Appl.Environ.Microbiol,1999,65(7):32483250.14.EgliK,FangerU,AlvarezPJJ,etal.Enrichmentandchar2acterizationofananammoxbacteriumfromarotatingbiologicalcontactortreatingammonium-richleachate[J].ArchivesofMicrobiology,2001,175(3):198207.834120082