传统活性污泥法COD去除及脱氮改造的模拟

:025322468(2002)20420448206:X703:ACOD1,2,1,1,1(11400044;21):.1(ASM1),MATLAB,.CODN,COD.,.:1;;;ModelingCODandNremovalupgradingintheactivatedsludgeprocessZHANGDaijun1,2,LUPeili1,CHENDanqing1,LIUYing1(11DepartmentofEnvironmentScience,ChongqingUniversity,Chongqing,400044;21KeyLab.fortheExploitationofsouthwesternResarces&theEnvironmentalDisosterControlEngineeing,MinistryofEducation,Chongqing)Abstract:Activatedsludgemodelcanbeusedtoimprovethestudy,designandoperationoftheactivatedsludgeprocess.ActivatedSludgeModelNo.1publishedbytheIAWQwasapplicatedtoTangjiaqiaoWasteWaterTreatmentPlantinChongqing.AsimulatingsoftwareofthemodelonthebasisofMATLABwasdeveloped.Theinfluencesoforganicloading,influentflow,temperatureanddissolvedoxygenoneffluentCOD,NH+42N,NO-32NandTNwerestudied.TheupgradingdesignofbiologicalnitrogenremovalinTangjiaqiaoWWTPwasoptimizedwiththesoftware.Theefficienciesoftheupgradingdesignwerepredicted.Keywords:activatedsludgemodelNo.1;modeling;upgrade;biologicalnitrogenremoval:2001207220;:2001211205:(1963),,()(IAWQ),,[14].[5],IAWQASMNO.1(ActivatedSludgeModelNO.1),,YHbHmaxKhs,[6,7].,COD;EFOR[8],,ASM1ASM2[9].,1[10]ASMNO.1MATLAB,,,.,,.22420027ACTASCIENTIAECIRCUMSTANTIAEVol.22,No.4Jul.,2002©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.()Fig.1FlowschemeofTangjiaqiaoWWTP1Table1TypicalperformanceparametersofTangjiaqiaoWWTP,mgPLCODTN,mgPLCODTNQ,m3Pd40046.3730041.7330000MLVSS,mgPLT,,mgPL,%800193.0152,MATLAB..,stoichiometic(s)138kinetic(C,K,DO)81131X,.,C=tVjC(j+1,i)=C(j,i)+Cjj;ii.:K(T)=K(20)exp((T-20)),0.069.,2,t1t2,DO1DO2;,CsCw,r1r2.,t1t2,();t1t2,DO1(015mgPL)DO2(210mgPL),,,;r2=0,.,,3.,.3,,,,,[1].,,,[11],9444:COD©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线(2)TN,COD...CODSSPXS,(SS+XS)PCOD10%,COD0TN0,2.2,COD(SS+XS)PCOD,SSPXS.(SS+XS)(SI+XI).YHHKSKHA.H,CODSS,SS,YHSS;,KS,SS,CODKHSS.HKS,KH,.ASS,,A,,,.,YH.,COD,TN,HKHKS.,H6.0d-1811d-1KS2010g(CODPm3)1310g(CODPm3)KH310g(COD)P(g(COD)d)4105g(COD)P(g(COD)d),.CODTN2.2Table2ResultsofsensitivityanalysisYHYAfPiXBiXPSSPXS(SS+XS)PCODtKN,HbAKaCOD00.27210.00010.0017000.04643.523400.00090TN00.25740.00950.00210.29320.00420.04430.280000.00110.0005NO-32N0.26060.00920.00130.32030.00280.05420.26080.00090.00080.0423NH+42N5.71910.87660.05373.28350.14611.33814.14901.01360.00840.7054HKSbHKO,HKNOGKHKXHKO,AACOD00.27910.22530.02950.00270.00020.01590.12870.02680.004700TN00.02420.01730.02870.03680.00130.04210.08650.00400.00230.00010.0005NO-32N0.02510.01790.02020.03690.00130.04380.12550.00730.00330.00020.0013NH+42N0.24240.13360.61590.00250.00080.01380.74840.15020.00060.14120.899905422©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线(1)2000090000m3Pd,COD,30000m3Pd40000m3Pd,,,,.,2000050000m3Pd,,;50000m3Pd,,,,.4(a)COD(b)(c)(d)Fig.4Influenceofinfluentflow,COD,temperatureandDOoneffluentcharacteristics(2)COD200900mgPL,CODCOD,COD700mgPL,COD.COD.,,.(3)030,COD,COD051520,;010,,10,,.20,.(4)110610mgPL,1mgPL2mgPL,COD,,2mgPL,.,23mgPL.5,.,,.,1544:COD©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线[12,13].,r2rVDO1,COD,.,,,,,.,,CODN.().,12h34h,,23h,56h[14].3(mgPL)Table3EffluentTNunderdifferentconditionsDO1,mgPLr2rv1P41P31P23P5100%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%,rV1P41P31P23P5,DO100105mgPL0110mgPL0120mgPL.,3.,COD,3536mgPL.DO1,N,.DO1=0,,,.,,,.rV=1P2,DO1=0110mgPL,r2=100%.22175mgPL,5019%,16.6(1)IAWQ,HKSKH,,.25422©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.中国科技论文在线(2).,,,.COD.(3),,(rV=1P2,r2=100%,DO1=011mgPL).COD,,,MLVSS.IAWQ,.:[1]CoenF,VanderhaegenB,BoonenI,etal.Improveddesignandcontrolofindustrialandmunicipalnutrientremovalplantsusingdy2namicmodels[J].WatSciTech,1997,35(10):5361[2]Cinar;zer,DaiggerGlenT,SGraeftephenP,etal.EvaluationofIAWQactivatedsludgemodelNo.2usingsteady2statedatafromfourfull2scalewastewatertreatmentplants[J].WaterEnvironmentResearch,1998,70(6):12161223[3]VanVeldhuizenHM,VANLoosdrechtMCM,HeijnenJJ,etal.Modelingbiologicalphosphorusandnitrogenremovalinafull2scaleactivatedsludgeprocess[J].WatRes,1999,33(16):34593468[4]BrdjanovicDamir,VANLoosdrechtMarkCM,VersteegPaol,etal.ModelingCOD,NandPremovalinafull2scaleWW