20115,2003,40(1):151-154.[19],.[J].,2004,23(2):277-280.[20]MathialaganT,ViraraghavanT.AdsorptionofCadmiumfromaqueoussolutionsbyperlite[J].JournalofHazardousMaterials,2002,B94:291-303.[21]HerbertE.Allen,Yu-tungChen,YiminLi,HuangCP.SoilpartitioncoefficientforCdbycolumndesorptionandcomparisontoBatchadsorptionmeasurements[J].Environ.Sci..Tech,1995(29):1887-1891.[22],.[J].,2006,24(2):87-88.[23]TManios,EIStentiford,PMillner.RemovalofheavymetalsfromametaliferouswatersolutionbyTyphalatifoliaplantsandsewagersludgecompost[J].Chemosphere,2003(53):487-494.[24],.[J].,1985(1).[25].[J].2004,19(2):270-274.[26],.[J].,2006,25(2):449-456.[27],.Pb、Cd[J].,1994,13(4):152-157.[28],.、、[J].,1982,6(4):320-329.[29]MacnicalRD,BeckettPHT.Criticaltissueconcentrationsofpote-ntiallytoxicelements[J].PlantandSoil,1985,85:107-129.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!DO(,510060):,DO,。:DO。COD、NH4+-N、TN、TPA,DO。DO0.5~1.0mg/L,COD93%~94%,NH4+-N97%~98%,TN85%~96%,TP91%~93%。:;;DO:X703.5:A:1672-9900(2011)05-0018-03EffectofDOonShortenedSimultaneousNitrificationandDenitrifyingPhosphorusRemovalLUOSi-yin(GuangzhouUrbanPlanning&DesignSurveyResearchInstitute,Guangzhou510060,China)Abstract:Forlowcarbonurbansewage,thestudywasmadeontheeffectofDOonshortenedsimultaneousnitrificationanddenitrifyingphosphorusremovalinsequencingbatchreactoractivatedsludgeprocess,andinvestigatedmechanismofshortenedsimultaneousnitrificationanddenitrifyingphosphorusremoval.ThetestshowsthatcontrollingDOconcentrationcanachievetheeffectofshortenedsimultaneousnitrificationanddenitrifyinganddenitrifyingphosphorusremoval.ConsideringtheeffluentconcentrationofCOD、NH4+-N、TN、TPtoreachthefirstclassofAemissionsstandard,itreceivesthebestDOcontrollingrang.WhenDOconcentrationwithin0.5~1.0mg/L,theremovalratesofCOD,NH4+-N,TNandTPcanarriveat93%~94%,97%~98%,85%~96%and91%~93%.Keywords:shortenedsimultaneousNitrificationanddenitrifying;denitrifyingPhosphorusremoval;DO,[1-3]。NOx-N,[4-5]。、[6-8]。DO2011-08-09(1985—),(),,,,(Tel)13416350662。18··DOI:10.19733/j.cnki.1672-9900.2011.05.0072011514DONO2--N[9-10]。、DO,DO。,DO。11.1。12LSBR(1),,。,NH4+-N25.9~30.1mg/L,TP5.62~7.18mg/L,COD178.85~236.2mg/L,(20℃~25℃),pH7.0~7.5。1.2NH4+-N,NO2--NN-(1-)-,NO3--N,TP,COD,DO、pH、ORP。2,DO0.3,0.5,1.0,2.0,3.0mg/L,DO。2.1DOCODDOCOD,2。2,DO0.5mg/L,COD30.15mg/L,84.21%;DO≥0.5mg/L,COD20mg/L,93%。,DO。2.2DONH4+-NDONH4+-N3。3,DO0.5mg/L,NH4+-N7.15mg/L,76.25%;DO≥0.5mg/L,NH4+-N1.0mg/L,97%~98%。DO,DO0.5mg/L,,,,NH4+-N;DO≥0.5mg/L,,,NH4+-N1.0mg/L。2.3DONO2--NNO3--NDONO2--NNO3--N,4,5。4,5,DO≤0.5mg/L,NO2--NNO3--N;DO0.5~1.0mg/L,NO2--N2.54mg/L,NO3--N1.07mg/L;DO1.0mg/L,NO3--N。,NH4+-NNOx--N,2DOCOD3DONH4+-N:DODO/(mg/L)CDO/(mg/L)NH4+-N/(mg/L)DO/(mg/L)NO2--N/(mg/L)DO/(mg/L)25020015010050000.511.52100806040200/%3530252015105000.511.52100806040200/%32.521.510.5000.511.5219··201155DONO3--N6DOTN,NO2--NNO3--N。,NO3--N,。2.3DOTNDOTN6。6,DODO0.5mg/L、DO=0.5mg/L、DO=1.0mg/L、DO=1.5mg/L、DO=2.0mg/L,TN10.14,1.22,4.45,6.76,7.82mg/L,68.67%、95.65%、85.26%、77.01%、74.01%。DO0.5~1.0mg/L,TN,85%~96%,DO,TN。DO0.5mg/L,DO,,NH4+-N,TN;DO0.5~1.0mg/L,,,NH4+-N,,,TN;,DO1.5~2.0mg/L,,DO,,,TN。2.4DOTPDOTP7。7,DO0.5mg/L,TP2.14mg/L,61.92%;DO≥0.5mg/L,TP1.0mg/L,91%。DO0.5mg/L,,TP。DO,NH4+-NNO2--NNO3--N,,TP;DO≥0.5mg/L,TP。,TP。3(1)DO。(2),DO:0.5~1.0mg/L。COD93%~94%,NH4+-N97%~98%,TN85%~96%,TP91%~93%。:[1],.[J].,2005,12(3):74-77.[2],.[J].,2006,31(8):126-129.[3],,,.[J].,2009,9(1)40-42.[4],.[J].,2003,19(9):32-34.[5],,,.、[J].,2003,19(1):33-36.[6],,,.[J].,2006,37(6):4-7.[7],,,.、[J].,2003,19(1):33-36.[8],,,.[J].,2006,29(7):14-16.[9],,,.DOHRTMBR[J].,2007,39(6):887-890.[10],.[J].,2003,9(3):13-15.:DONO3--N/(mg/L)DO/(mg/L)7DOTPTP/(mg/L)DO/(mg/L)TPTPTN/(mg/L)DO/(mg/L)TNTN/%/%3530252015105000.511.5210080604020087654321000.511.5210080604020020··