传统活性污泥法COD去除及脱氮改造的模拟张代钧

:0253-2468(2002)-04-0448-06　　　:X703　　　:ACOD张代钧1,2,卢培利1,陈丹琴1,刘　颖1　(1.　　400044;2.):、.1(ASM1),MATLAB,.CODN,、、COD、、.,.:1;;;ModelingCODandNremovalupgradingintheactivatedsludgeprocessZHANGDaijun1,2,LUPeili1,CHENDanqing1,LIUYing1　(1.DepartmentofEnvironmentScience,ChongqingUniversity,Chongqing,400044;2.KeyLab.fortheExploitationofsouthwesternResarces&theEnvironmentalDisosterControlEngineeing,MinistryofEducation,Chongqing)Abstract:Activatedsludgemodelcanbeusedtoimprovethestudy,designandoperationoftheactivatedsludgeprocess.ActivatedSludgeModelNo.1publishedbytheIAWQwasapplicatedtoTangjiaqiaoWasteWaterTreatmentPlantinChongqing.AsimulatingsoftwareofthemodelonthebasisofMATLABwasdeveloped.Theinfluencesoforganicloading,influentflow,temperatureanddissolvedoxygenoneffluentCOD,NH+4-N,NO-3-NandTNwerestudied.TheupgradingdesignofbiologicalnitrogenremovalinTangjiaqiaoWWTPwasoptimizedwiththesoftware.Theefficienciesoftheupgradingdesignwerepredicted.Keywords:activatedsludgemodelNo.1;modeling;upgrade;biologicalnitrogenremoval:2001-07-20;:2001-11-05:(1963—),,()(IAWQ)、、,,、[1—4].[5],IAWQASMNO.1(ActivatedSludgeModelNO.1),,YH、bH、μmaxKhs,[6,7].,COD;EFOR[8],,ASM1ASM2[9].,1[10]ASMNO.1MATLAB,,,.,,.22420027　　　　　ACTASCIENTIAECIRCUMSTANTIAEVol.22,No.4Jul.,2002DOI:10.13671/j.hjkxxb.2002.04.0071　,,6td,1,1.1　()Fig.1　FlowschemeofTangjiaqiaoWWTP1　Table1　TypicalperformanceparametersofTangjiaqiaoWWTP,mgLCODTN,mgLCODTNQ,m3d40046.3730041.7330000MLVSS,mgLT,℃,mgL,%800193.0152　,MATLAB..,stoichiometic(s)13×8kinetic(C,K,DO)8×113×1X,.,ΔC=Δt·Vj　　C(j+1,i)=C(j,i)+ΔC　　j———j;i———i.:K(T)=K(20℃)·exp(θ(T-20))　　θ,0.069.,2,t1、t2,DO1、DO2;,CsCw,r1、r2.,t1t2,(、);t1t2,DO1(0.5mgL)DO2(2.0mgL),,,;r2=0,.,,3.,.3　,,,,,[1].,,,[11],4494:COD,.3.1　2　COD、TNFig.2　MeasuredandcalculatedeffluentCODandTNconcentrationIAWQ,(2)TN,COD...、CODSSXS,(SS+XS)COD10%,COD0、TN0、,2.2,COD(SS+XS)COD,SSXS.(SS+XS)(SI+XI).YH、μH、KS、KHμA.μH,CODSS,SS,YHSS;,KS,SS,CODKHSS.μHKS、,KH、,.μASS,,μA,,,.,YH、.,COD,TN,μH、KHKS.,μH6.0d-18.1d-1、KS20.0g(CODm3)13.0g(CODm3)、KH3.0g(COD)(g(COD)·d)4.05g(COD)(g(COD)·d),.COD、TN2.2　Table2　ResultsofsensitivityanalysisYHYAfPiXBiXPSSXS(SS+XS)CODtKN,HbAKaCOD00.27210.00010.0017000.04643.523400.00090TN00.25740.00950.00210.29320.00420.04430.280000.00110.0005NO-3-N0.26060.00920.00130.32030.00280.05420.26080.00090.00080.0423NH+4-N5.71910.87660.05373.28350.14611.33814.14901.01360.00840.7054μHKSbHKO,HKNOηGKHKXηHKO,AμACOD00.27910.22530.02950.00270.00020.01590.12870.02680.004700TN00.02420.01730.02870.03680.00130.04210.08650.00400.00230.00010.0005NO-3-N0.02510.01790.02020.03690.00130.04380.12550.00730.00330.00020.0013NH+4-N0.24240.13360.61590.00250.00080.01380.74840.15020.00060.14120.8999450　　　　　　　　　　223　Fig.3　Modelconfirmation3.2　,,3.,,.4　WWTP、、COD,4.(1)20000—90000m3d,COD,30000m3d40000m3d,,,,.,20000—50000m3d,,;50000m3d,,,,.4　(a)、COD(b)、(c)(d)Fig.4　Influenceofinfluentflow,COD,temperatureandDOoneffluentcharacteristics(2)COD200—900mgL,CODCOD,COD700mgL,COD.COD.,,.(3)0—30℃,COD,COD0—5℃15—20℃,;0—10℃,,10℃,,.20℃,.(4)1.0—6.0mgL,1mgL2mgL,COD,,2mgL,.,2—3mgL.5　,.,,.,4514:COD.,.[12,13].,r2、rVDO1,COD,.,,,,,.,,CODN.().,1—2h3—4h,,2—3h,5—6h[14].3　(mgL)Table3　EffluentTNunderdifferentconditionsDO1,mgLr2rv14131235100%23.211921.653219.835920.25750200%24.156322.544020.261019.6388300%24.699723.083920.712919.8939400%24.995223.384220.986820.0887100%24.546523.244721.459420.85120.05200%25.380624.060022.040721.2061300%25.843024.527022.481521.5654400%26.077524.763922.717421.7948100%25.464724.360622.754322.07230.10200%26.213525.104423.346122.5398300%26.618725.517223.755322.9010400%26.811225.709123.955023.1114100%26.642325.811124.534623.92080.20200%27.272826.445925.089524.4144300%27.603026.785025.439724.7445400%27.741526.918025.584724.9085,.,,,.,,.,,.,,,,.,r2100%、200%、300%400%,rV14、13、1235,DO10、0.05mgL、0.10mgL0.20mgL.,3.,COD,35—36mgL.DO1,N,.DO1=0,,,.,,,.rV=12,DO1=0.10mgL,r2=100%.22.75mgL,50.9%,16.6　(1)IAWQ,μH、KSKH,,.452　　　　　　　　　　22(2).,,,.COD.(3),,、(rV=12,r2=100%,DO1=0.1mgL).COD,,,MLVSS.IAWQ、,.:[1]　CoenF,VanderhaegenB,BoonenI,etal.Improveddesignandcontrolofindustrialandmunicipalnutrientremovalplantsusingdy-namicmodels[J].WatSciTech,1997,35(10):53—61[2]　Cinarzer,DaiggerGlenT,SGraeftephenP,etal.EvaluationofIAWQactivatedsludgemodelNo.2usingsteady-statedatafromfourfull-scalewastewatertreatmentplants[J].WaterEnvironmentResearch,1998,70(6):1216—1223[3]　VanVeldhuizenHM,VANLoosdrechtMCM,HeijnenJJ,etal.Modelingbiologicalphosphorusandnitrogenremovalinafull-scaleactivatedsludgeprocess[J].WatRes,1999,33(16):3459—3468[4]　BrdjanovicDamir,VANLoosdrechtMarkCM,VersteegPaol,etal.ModelingCOD,NandPremovalinafull-scaleWWTPHaar-lemWaarderpolder[J].WatRes,2000,34(3):845—858[5]　,.[J].,1999,15(5):20—21[6]　　,,,.[J].,1996,16(2):123—127[7]　　,,,.[J].,1995,8(4):23—27[8]　　.EFOR[J].,1998,14(5):15—18[9]　GujerW,HenzeM,MinoT,etal.TheactivatedsludgemodelNo.2:biologicalphosphorusremoval[J].WatSciTech,1995,31(2):1—11[10]　,.[M].:,1998.22—29[11]　.COD[J].,1999,15(2):18—24[12]　,　,　.[J].,2000,26(9):9—11[13]　,.[J].,2000,28(3):324—327[14]　,　.[J].,2000,26(12):1—44534:COD