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SBR,,,,(,400045):SBR,(302)pH7.58.5DO0.81.0mg/LHRT24h,(60120mg/L),,77%,40%,:;;SBR;:X703.1:C:1000-4602(2006)01-0058-04Start2upResearchofOne2stepAutotrophicNitrogenRemovalProcessinSBRBiofilmReactorFANGFang,GUOJin2song,QINYu,LUOBen2fu,YANGGuo2hong(KeyLaboratoryofThreeGorgesReservoirRegionsEco2EnvironmentMinistryofEdu2cation,ChongqingUniversity,Chongqing400045,China)Abstract:Thestart2upexperimentwascarriedoutinSBRbiofilmreactorfortheestablishmentofone2stepautotrophicnitrogenremovalprocesswiththemid2lowammonianitrogenconcentrationwastewaterbythecontrolofDO,HRTandtemperature.Theexperimentalresultsshowthatthestablera2tioofnitrificationandnitrogenremovalachieves77%and40%respectively,undertheconditionsoftem2perature(302),ammoniaconcentration60-120mg/L,DO0.8-1.0mg/L,pH7.5-8.5andhydraulicretentiontime24h,inoculatinggeneralaerobicactivesludgeandanaerobicsludgeaftersludgedomesticationstep,nitrificationchoicestep,sludgeadaptingstep.Whenheterotrophicbacteriaarewashedoutandautotrophicbacteriaareaccumulated,thecharacteristicsludgeisbacilliformfloccules.Andwhenthenitrificationsystemissetupandachievessomefunctionsofautotrophicnitrogenremoval,thecharacteristicsludgeispetal2likefloccules.Keywords:one2stepautotrophicnitrogenremoval;biofilm;SBR;nitrification:(20050611010);(CSTC2005BB7266);,,[1],,DefltGent[26]8522120061CHINAWATER&WASTEWATERVol.22No.1Jan.2006转载[7](),SBR,NO-x-N,1111SBR(1),30.1L;,;,(302);1Fig.1SchematicdiagramofSBRreactor112,NH4HCO360120mg/L;KH2PO4N/P14;NaHCO3pH7.58.5;(EDTA:5.0g/L,CoCl26H2O:1.6g/L,ZnSO47H2O:2.2g/L,MnCl24H2O:5.1g/L,CuSO45H2O:1.6g/L,(NH4)6Mo7O244H2O:1.1g/L,CaCl22H2O:5.5g/L,FeSO47H2O:5.0g/L),2mL/L11Tab.1ComponentsofsyntheticwastewatermgL-1CODNH+4-NNO-2-NTP2060120248,3.8gVSS/L113pH:Sension2pH/ISE;(SS)(VSS):[8];:;:N-1--;:;COD:;:2SBR,,1/2,[910]pH7.58.5,(302),HRT24h,DO0.81.0mg/L210d,3,(2)2Tab.2Experimentresultsinreactor/d14041120121210/(mgL-1)60787312072100/(mgL-1)114225521530/(mgL-1)0.14110404057/(mgL-1)6.0393.0481.620COD/(mgL-1)380151512151221140d,2951,:SBR22中国科技论文在线(35mg/L),2940d35mg/L18d35mg/L8.0mg/L,78%;1926d,2740d30mg/L,,,(),21241120d,NH+4-N73120mg/L,50dYJZH335mg/L,60%NO-2-N,4055d30mg/L14mg/L,77.8%25.3%,65dNO-2-N40mg/L,79.4%;66103dNO-2-N40mg/L10.9mg/L,120d40.7mg/L(65%)NO-3-N,NO-2-NNO-3-N,NO-2-NNO-3-N,40100d13%,101120d,22%3Fig.3Nitrogentransformationduringnitrificationchoice(4055d),,DO,DO,,,56120d,DO,,,213121210d,,,18mg/L,65.0%;(45mg/L),06122中国科技论文在线(16.0mg/L);175d40%,,MLSS650mg/L,MLVSS460mg/L,(MLVSS/MLSS)0.72,0.20kgNH+4-N/(kgMLSSd),YJZH3,,,,,55d,(4),,4Fig.4Micrographofactivatedsludge4(302)pH7.58.5DO0.81.0mg/LHRT24h,3,76.9%,40%,:[1]HippenA.Aerobicdeammonification:anewexperienceinthetreatmentofwastewater[J].WatSciTech,1997,35(10):111-120.[2]SliekersAO,DerworthN,Gomez,etal.Copletelyauto2trophicnitrogenremovalovernitriteinonesinglereactor[J].WaterRes,2002,36(10):2475-2482.[3]SliekersAO,ThirdKA,AbmaW,etal.CANONandAnammoxinagas2liftreactor[J].FEMSMicrobiolLett,2003,218(2):339-344.[4]MichaelNielsen,AnnetteBollmann,OlavSliekers,etal.Kinetics,diffusionallimitationandmicroscaledistribu2tionofchemistryandorganismsinaCANONreactor[J].MicrobiologyEcology,2005,51(2):247-256.[5]XiaodiHao,JosephJHeijnen,MarkCMVanLoos2drecht.Model2basedevaluationoftemperationandin2flowvariationsonapartialnitrification-ANAMMOXbiofilmprocess[J].Waterresearch.2002,36(19):4839-4849.[6],,.[J].,2001,22(5):105-107.[7]IngoSchmidt,OlavSliekers.Aerobicandanaerobicam2moniaoxidizingbacteria2competitorsornaturalpartners?[J].MicrobiologyEcology,2002,39:175-181.[8].(3)[M].:,1997.[9]AlicianVQuinlan.Optimumtemperatureshiftforni2trobactorwinogradskyieffectofdissolvesoxygenandni2triteconcentration[J].WatRes,1994,28(28):2561-2566.[10]Fdz-polancoF.Temperatureeffectonnitrifyingbacte2riaactivityinbiofilers:activationandfreeammoniainhi2bition[J].WatSciTech,1994,30(11):121-130.E-mail:xiduo@tom.com:2005-08-15161,:SBR22中国科技论文在线