好氧颗粒污泥实现同步硝化反硝化杨麒

杨　麒,李小明,曾光明,谢珊,刘精今(湖南大学环境科学与工程系,长沙　410082)　　:,,(SBR),4.5g/L,SVI32.5,COD、NH3-N83.6%～92.8%82.3%～98.5%。:,SBR(SND),(SQND)。:;;;:X703　　:A　　:1002-1264(2003)01-0040-03SimultaneousNitrificationandDenitrificationbyAerobicGranularSludgeYANGQi,LIXiao-ming,ZENGGuang-ming,XIEShan,LIUJing-jin(DepartmentofEnvironmentalScienceandTechnology,HunanUniversity,Changsha　410082,China)Abstract:TheaerobicgranularsludgewithhighactivityinSequencingBatchReactor(SBR)fedwithasyntheticdomesticwastewateriscultivatedbycontrollingtheoperatingconditions.TheMixedLiquidSuspendedSolids(MLSS)andtheSludgeVolumetricIndex(SVI)ofthegranularsludgeareabove4.5g/Landabout32.5,respec-tively.TheremovalratesofCODandNH3-Nreach83.6%to92.8%and82.3%to98.5%,respectively,inthereactor.Itisshownthatthesimultaneousnitrificationanddenitrification(SND)ratherthanthesequentialnitri-ficationanddenitrfication(SQND)occurredintheSBRfortheexistingoftheaerobicgranularsludge.Keywords:aerobicgranularsludge;　SBR;　simultaneousnitrificationanddenitrification;　sequentialnitrifica-tionanddenitrfication　　,、。:,,,(sequentialnitrificationanddenitrfication,SQND)。,(simultaneousnitrificationanddenitrifi-cation,SND),,、SBR、[1-2]。SBR-,,。,,,。,,SBR[3-4]。SBR,,。1　1.1　30cm×30cm×75cm,64L,50L1,。1　4016120032URBANENVIRONMENT&URBANECOLOGYVol16,No.1Feb.　2003:(WJ2002101);(200219)　:2002-08-09　　(20℃～30℃),4h,3.5h,5min,5min,10min,10min,7h,,。30L,NH4+-N、NO3--N、NO2--N、COD、pH、DO,,,。1.2　,,COD:100～400mg/L;NH4+-N:10～40mg/L;TP10mg/L;pH7。2　2.1　。,,,3.5g/L,(SVI)100。,[5-6],,,,,,(、),();,SBR,,、。50、,,,,,,0.5～1.0mm,3mm。,4.5g/L,SVI32.5。2,,,。200,,、、、。2　3,COD、NH4+-N172.9～381.8mg/L14.22～33.50mg/L,83.6%～92.8%82.3%～98.5%,27.13～72.47mg/L0.57～8.36mg/L,。25d,,COD、NH4+-N,,。3　NH4+-N、COD2.2　[7]:,,,,,,,,,,4[8]。4　6,DO3mg/L,。,1h,41　,　　　NH4+-N、NO3--N、NO2--N,5。5　SBR5SBR,NH4+-N,70%NH4+-N;NO3--N、NO2--N1mg/L,NH3-N,4。,SBR,。,,NH4+-NNO3--NNO2--N;,,NO3--NNO2--N,,。3　3.1　SBR,,SBR,,4.5g/L,SVI32.5。,,,,。3.2　,SBR,NH4+-N,NO3--N、NO2--N1mg/L,,(sequentialni-trificationanddenitrfication,SQND)。[1]　MasudaS.,WatanableY.andIshiguroM.Biofilmpropertiesandsimultaneousnitrificationanddenitrificationinaerobicrotatingbio-logicalcontactors[J].Wat.Sci.Tech.,1991,23(12):1355-1363.[2]　MunchE.V.,LantP.andKellerJ.Simultaneousnitrificationanddenitrificationinbench-scalesequencingbatchreactors[J].Wat.Res.,1996,30(2):277-284.[3]　BeunJ.J.,vanLoosdrechtM.C.M.andHeijnenJ.J.Aerobicgranulation[J].Wat.Sci.Tech.,2000,41(4):41-48.[4]　BeunJ.J.,HendriksA.,vanLoosdrechtM.C.M.,etal.Aero-bicgranulationinasequencingbatchreactor[J].Wat.Res.,1999,33(10):2283-2290.[5]　,,,.SBR[J].,2001,21(2):87-90.[6]　MorgenrothE.,ShedenentT.,vanLoosdrechtM.C.M.,etal.Aerobicgranulationinasequencingbatchreactor[J].Wat.Res.,1997,31(12):3191-3194.[7]　,,.[J].,2001,14(1):33-35.[8]　,,,.[J].,2003().:(1974-),,,,,5。《》6480　　,。《》,、,《》6480,。、,。《城市环境与城市生态》编辑部42　　　161　2003