AO工艺污水处理厂FCASM3Hydro耦合模型及现场校验孙培德

2812200812　　　　　　ActaScientiaeCircumstantiaeVol.28,No.12Dec.,2008:(No.Z507721)SupportedbytheKeyProgramofNaturalScienceFoundationofZhejiangprovince(No.Z507721):(1957—),,,,E-mail:[e-mail];＊()Biography:SUNPeide(1957—),male,professor(Ph.D.),E-mail:[e-mail];＊Correspondingauthor,.2008.A/OFCASM3-Hydro[J].,28(12):2456-2464SunPD,WuG.2008.StudyonFCASM3-HydrocoupledmodelandsitevalidationwithA/OWWTP[J].ActaScientiaeCircumstantiae,28(12):2456-2464A/OFCASM3-Hydro孙培德＊,吴革浙江工商大学环境科学与工程学院,杭州310012:2008-01-31　　　:2008-04-01　　　:2008-08-10:(FCASM3),,A/OFCASM3-Hydro.Matlab/Simulink,A/OFCASM3-Hydro-(Lee-Hydro)FCASM2-Hydro.,FCASM3-HydroCOD、NH+4-N、NO-x-N、PO3-4-PLee-Hydro.COD,FCASM3-HydroFCASM2-Hydro;NH+4-NPO3-4-P,FCASM3-HydroFCASM2-Hydro.:;A/O;;;:0253-2468(2008)12-2456-09　　　:X32　　　:AStudyonFCASM3-HydrocoupledmodelandsitevalidationwithA/OWWTPSUNPeide＊,WUGeCollegeofEnvironmentalScienceandEngineering,ZhejiangGongshangUniversity,Hangzhou310012Received31January2008;　　　receivedinrevisedform1April2008;　　　accepted10August2008Abstract:AFCASM3-HydrocoupledmodelforA/OWWTPisestablishedbasedonfullycoupledactivatedsludgemodelNo.3(FCASM3)whileconsideringtheinteractionsbetweenthebiologicalandhydraulicfields.NumericalsimulationforFCASM3-HydrocoupledmodelwithA/OWWTPiscomparedwiththeLee-HydroandFCASM2-HydrocoupledmodelsusingMatlab/Simulinksoftware.TheresultsshowthatthedynamicsimulationoftheFCASM3-HydrocoupledmodelismoreconsistentwithmeasuredpollutantconcentrationsthantheLee-Hydrocoupledmodel,whiletheFCASM3-HydroandFCASM2-HydrocoupledmodelsaccuratelysimulateCODthroughouttheprocess.ForthesimulationofNH+4-NandPO3-4-P,thedynamicsimulationresultsforFCASM3-HydroaremuchcloserthanFCASM2-Hydrototherealtrends.Keywords:activatedsludgesystem;A/Oprocess;wastewatertreatmentplants(WWTP);coupledmodel;numericalsimulation1　(Introduction)、、,(IWA)ASMs(Brdjanovicetal.,2000;Gernaeyetal.,2004).1987,IWA-(Doldetal.,1980)ASM1(Henzeetal.,1987);ASM1,1999ASM3(Gujeretal.,1999).,ASM1ASM3,.ASM2(Henzeetal.,1995)ASM2d(Henzeetal.,1999)、、,2,ASM1,ASM1.,EAWAG2001ASM3-bio-PDOI:10.13671/j.hjkxxb.2008.12.02412:A/OFCASM3-Hydro(Riegeretal.,2001).ASM3EAWAGbio-P,.,2006FCASM1(,2006),.ASM2、ASM2d、ASM3-bio-PFCASM1Comeau/Wenzel(,2005).:,PAO.Mino:PAO,PHB(Minoetal.,1987).,Delft1999MinoTUDP(vanVeldhuizenetal.,1999).DelftASM2d,.,,.1999,Lee,-ASM2-(Leeetal.,1999),A/A/O.ASM2,FCASM1,Delft,FCASM2,-,FCASM2-Hydro(,2007).FCASM2FCASM2-Hydro-,,,,.2006,IacopozziASM3,-(Iacopozzietal.,2006).,(Minoetal.,1995;Mangaetal.,2001;Yagcietal.,2004;Whangetal.,2007;YuDaietal.,2007).,2008(FCASM3)(,2008).-,、3,,、.(FCASM3),,A/OFCASM3-Hydro,,FCASM3-HydroA/O,A/O.2　A/OFCASM3-Hydro(FCASM3-HydrocoupledmodelwithA/OWWTP)2.1　FCASM3模型2.1.1　基本假设　,,FCASM3:①pH;②;③;④;⑤、,;⑥,.2.1.2　模型特征　FCASM38,3172.FCASM3,.1).:XH、XDNSXDNB;:XNSXNB;:XPAOXDPB;XGAO;.2)(XH、XDNS、XDNB、XPAO、XDPBXGAO).3)-,(1)～(4):NH4+32O2NO-2+2H++H2O(1)2457　　　　　　　　　　28NO-2+12O2NO-3(2)4NO-3+C2H4O24NO-2+2CO2+2H2O(3)8NO-2+3C2H4O24N2+8OH-+6CO2+2H2O(4)4),XPAO、XDPBXGAO.5)、.,XPAOXDPB,.2.2　水力流场模型的建立,,,-,(5):Cit=QV1Pe2Cix2-Cix+r(Ci)+β(Ci)(5),Ci(g·m3),ii;t(d);Q(m3·d-1);V(m3);PePeclet(),uL/D,u(m·s-1),L(m),D(m2·s-1).(5),;1,2,3.Danckwerts,(6):dCidt=Pe·(Ci(0)-Ci,in)　x=0dCidt=0　　　　　　　　x=1(6),x=X/L,X(m),L(m);Ci(0)tx=0(g·m-3),Ci,ini(g·m-3).2.3　A/O工艺污水处理厂FCASM3-Hydro耦合模型的建立A/O,1.1　A/OFig.1　SchematicoftheA/OprocessFCASM3-HydroA/O,.β(Ci),(7)～(8).CitAnoxic=1HRT1·1Pe2Cix2-Cix+∑ivjiρjdCidt=P·eCA,i(0)-Q·CinA,i+Wset,i(1+R)·Q　x=0dCidt=0　　　x=1(7)CitAnoxic=1HRT2·1Pe2Cix2-Cix+∑ivjiρjdCidt=P·e(CO,i(0)-CAout,i)　　　　x=0dCidt=0　　　x=1(8),HRT1、HRT2;ii(i=1～31);CA,i(0),CO,i(0)tx=0i(g·m-3),CinA,ii(g·m-3);CAout,ii(g·m-3);Wset,ii(g·d-1);R(),Q.∑ivjiρjFCASM3-Hydro,(,2008).3　A/O(SiteexperimentationwithA/OWWTP)3.1　杭州某A/O工艺污水处理厂概况A/OFCASM3-Hydro,1.245812:A/OFCASM3-Hydro1　A/OTable1　TechnicalparametersofanA/OWWTPinHangzhouV117600m3V2105600m3R50%SRT7d3.2　现场实测结果分析A/O,COD22.2　A/OFig.2　ThedynamictrendofinfluentfluxandconcentrationaboutmainpollutantsinaA/OWWTPofHangzhou2　CODTable2　TheinfluentcharacteristicsofCODcomponentsforFCASM3-HydroSsSIXIXSXOHXDNS20.8%8%10%48%7.9%5.3%4　FCASM3-Hydro(SitevalidationforFCASM3-Hydrocoupledmodel)4.1　模型动力学参数校核结果,,,2459　　　　　　　　　　28.,,,EAWAG(,2008),.(20℃)3,(20℃).30℃,k.(9):k(T)=k(20°C)exp[θT(T-20)](9),T(℃),θT(10):θT=ln[k(T1)/k(T2)]/(T1-T2)(10)3　(20℃)Table3　CalibratedkineticparametersandtheirvaluesforFCASM3-Hydro(20℃)1bO2,DNB0.20.1d-12μNS(XNS)0.470.42d-13μNB(XNB)0.783d-14kPHA,PAOXPHA,PAO33.5d-15μPAOXPAO10.2d-16bO2,PAOXPAO0.20.02d-17bNOx,PAOXPAO0.20.02d-18kPHA,DPBXPHA,DPB39.5d-19μDPBXDPB10.2d-110bO2,DPBXDPB0.20.02d-111bNOx,DPBXDPB0.20.02d-112μGAOXGAO0.80.4d-113KNOx,PSNO3+SNO20.52.5g·m-314KSS,PSS41g·m-34.2　出水水质模拟结果分析4.2.1　FCASM3-Hydro与Lee-Hydro耦合模型模拟结果对比分析　A/OFCASM3-HydroLee-Hydro(Leeetal.,1999),4d(3h)COD、NH+4-N、NO-x-NPO3-4-P,3.3a,FCASM3-HydroLee-HydroCOD,,Lee-Hydro.:①FCASM3-Hydro,XS,;Lee-Hydro,XS2(ASM2),,、3.②FCASM3-Hydro,SSXSTO,;Lee-Hydro,SSSFSA2,SFSA.3b,FCASM3-HydroLee-HydroNH+4-NNH+4-N,Lee-HydroNH+4-NFCASM3-Hydro.:Lee-HydroDold(1980);FCASM3-Hydro,(、、、、、、),Dold,.3d,FCASM3-Hydro246012:A/OFCASM3-HydroPO3-4