好氧颗粒污泥实现同步除磷脱氮的试验研究

:100022472(2005)0320097204X,,,,(,410082):1h,4h,2h,,.,,COD89.2%98.9%,81.3%89.4%,86.8%90.0%82.7%96.6%.:;;;:X70311:AStudyonSimultaneousPhosphorusandNitrogenRemovalthroughAerobicGranularSludgeYANGGuo2jing,LIXiao2ming,ZENGGuang2ming,XIEShan,YANGQi(DepartmentofEnvironmentalScienceandEngineering,HunanUniv,Changsha,Hunan410082,China)Abstract:SimultaneousphosphorusandnitrogenremovalthroughaerobicgranularsludgewasachievedinaSBRsystemundertheconditionsofanaerobicreactiontime1h,aerobicreaction4handanoxicreaction2h.ThisSBRsystemshowedaverystablephosphorus,nitrogenandorganiccarbonremovalperformance.There2movalrateforammonium,totalinorganicnitrogen,phosphorusandorganiccarbonreached89.2%98.9%,81.3%89.4%,86.8%90.0%and82.7%96.6%respectively.Keywords:sequencingbatchreactor(SBR);aerobicgranularsludge;simultaneousphosphorusandnitrogenremoval;mechanism,,,,.,[1].,,,,,3,,.(SBR)[2-5],,,.X:2004-10-16:(50478054):(1980-),,,E2mail:[e-mail]32320056()JournalofHunanUniversity(NaturalSciences)Vol.32,No.3Jun12005,SBR,.1111(),5L,4L,,.(2530),ACO,,,1.2,,:10min,1h(),4h,2h,20min,7.5h.4L,DO,SV,SVI,MLSS,MLVSS,pH,,,.1Fig.1Theschematicexperimentalequipment112,():350400mgCOD(CH3COONa),1730mgNH+42N(NH4Cl),1020mgPO3-42P(KH2PO4),NaHCO336mg,MgSO47H2O25mg,CaCl224mg1mL.()Fe2Cl37H2O1.5mg,CuSO45H2O0.03mg,ZnSO47H2O0.12mg,CoCl26H2O0.15mg,MnCl22H2O0.12mg,KI0.18mg.113NH+42N;PO3-42P;NO-32N,NO-22NDX-120;COD;SV,SVI,MLSS,MLVSS[6];.(TIN):(TIN)=(NH+42N)+(NO-22N)+(NO-32N)2SBR.,,,,,0.51.0mm,3mm125d,,40d,(MLSS)8.4g/L,(SVI)14.3mL/g.,.2112NH+42N,PO3-42P,COD(TIN).2,NH+42N,TIN,PO3-42PCOD()14.127.7mg/L,18.531.8mg/L,13.618.2mg/L350400mg/L,,03.0mg/L,2.44.2mg/L,1.43.4mg/L1262.5mg/L;89.2%98.9%,81.3%89.4%,86.8%90.0%82.7%96.6%..2123NH+42N,PO3-42P,COD,NO-32N,NO-22N.NH+42N25.6mg/L,PO3-42P14.5mg/L,COD384.1mg/L13,,NH+42N.(DO2mg/L),NH+42N,NO-32N,NO-22N(1mg/L).,NH+42NNO-22N,NO-3-N2.5mg/L,TIN90.3%,NH+42N(NH+42N)89()20052NH+42N,TIN,COD,PO3-42PFig.2TheconcentrationandremovalrateofNH+42N,TIN,COD,PO3-42Pintheefficientoperationphase3SBRFig.3TheconcentrationprofilesinarepresentativecycleoftheSBR,NO-22NNO-32N,NO-32NNO-22N,,.213(PAO,Poly2phosphate2AccumulatingOrganisms)/,.(DenitrifyingPhosphorusRemovingBacteria,DPB)/,.(),DPBNO-32N(O2),.,,[7-9].3,,COD,PO3-42P.,COD384.1mg/L22.1mg/L,PO3-42P14.5mg/L28.3mg/L,,993:(),PHB(22).4hPO3-42P5.6mg/L,.,3,1h,PO3-42PNO-32N(PO3-42P5.6mg/L2mg/L),(DPB)NO-32N.2hPO3-42P(PO3-42P2mg/L3.6mg/L),NO-32N,DPBNO-32N,,PO3-42P.:,KNO3,NO-32N.4KNO3.4NO-32N,,PO3-42PNO-32N(PO3-42P6.3mg/L1.8mg/L),,NO-32N(DPB),.4KNO3Fig.4TheconcentrationprofilesaddingKNO3intheanoxicphase31)//SBR,,(COD)89.2%98.9%,81.3%89.4%,86.8%90.0%82.7%96.6%.2),,.[1],,.[J].,2002,21(3):317-321.[2]BEUNJJ,VANLOOSDRECHTMCM.Aerobicgranulation[J].WatSciTech,2000,41(4):41-48.[3]BEUNJJ,HENDRIKSA.Aerobicgranulationinasequencingbatchreactor[J].WatRes,1999,33(10):2283-2290.[4]MORGENROTHE,SHEDENENTT.Aerobicgranu-lationinasequencingbatchreactor[J].WatRes,1997,31(12):3191-3194.[5],,,.SBR[J].,2003,24(4):94-98.[6].[M].:,1997.[7],,,.()[J].,2002,28(6):6-11.[8]MINOT.Microbiologyandbiochemistryoftheenhancedbiologi2calphosphateremovalprocess[J].WatRes,1998,32(11):3193-3207.[9]VANLOOSDRECHTMCM.Biologicalphosphorusremovalprocesses[J].MicrobiolBiotechNol,1997,48(2):289-296.001()2005