采用TUD联合模型模拟倒置A2O工艺的运行工况郝晓地

TUDA2/O郝晓地1,　宋虹苇1,2,　胡沅胜1,　郝二成3,　周　军3,甘一萍3,　王洪臣3(1.北京建筑工程学院可持续环境生物技术研发中心,北京100044;2.内蒙古工业大学土木工程学院,内蒙古呼和浩特010051;3.北京城市排水集团有限公司,北京100063)　　　:　结合北京某大型市政污水处理厂倒置A2/O工艺的运行实践,应用TUD联合模型及其缺省参数对该厂进行了数学模拟,以演示国际通用数学模型对我国污水处理厂模拟的有效性、准确性和简单性,为今后模拟技术在我国的推广应用起到示范作用。在完全使用缺省参数时模拟预测出水COD和TSS与实测值十分吻合,出水TP模拟结果与历史数据亦存在较小误差,而对N的模拟预测效果不甚理想。针对存在的N模拟误差,结合专家法和灵敏度分析法,对模型中有关N的个别组分参数和硝化细菌半饱和动力学参数进行修正(iNSF=6%,iNXS=6%,KNH4=1.5gN/m3)后,获得了令人满意的模拟预测结果。随后用2组不同季节的运行数据进行模拟验证,也得到了与实测数据十分吻合的模拟结果。　　:“”(BJE10016200611);　(8052011);　(863)(2006AA06Z320)　　:　倒置A2/O工艺;　数学模拟;　TUD联合模型;　AQUASIM:X703.1　　:A　　:1000-4602(2007)05-0001-04ModelingOperationConditionofReversedA2/OProcesswithTUDModelHAOXiao-di1,　SONGHong-wei1,2,　HUYuan-sheng1,　HAOEr-cheng3,ZHOUJun3,　GANYi-ping3,　WANGHong-chen3(1.RDCenterforSustainableEnvironmentalBiotechnology,BeijingInstituteofCivilEngi-neeringandArchitecture,Beijing100044,China;2.SchoolofCivilEngineering,InnerMongoliaUniversityofTechnology,Hohhot010051,China;3.BeijingUrbanDrainageGroupCo.Ltd.,Beijing100063,China)　　Abstract:　CombinedwiththepracticaloperationofreversedA2/OprocessofalargemunicipalwastewatertreatmentplantinBeijing,themathematicalsimulationoftheplantworkingconditionswasconductedusingTUDmodelandthedefaultparameters.Theaimofthestudyistodemonstratetheeffec-tiveness,accuracyandsimplicityofglobalcurrentmodelsforsimulatingChina’sWWTPsandthentopromotetheapplicationofsimulativetechniquesinChina.Withdefaultparameters,thepredictedCODandTSSconcentrationsintheeffluentareconsistentwiththemeasureddata,andTPisalsoreasonable.1第23卷　第5期2007年3月　　　　　　　　　　　　中国给水排水CHINAWATERWASTEWATER　　　　　　　　　　　　　Vo.l23No.5Mar.2007However,Nconcentrationsarenotsatisfactory.WithminoradjustmentofsomeNcomponentsandaffinityconstantsofnitrifiers(iNSF=6%,iNXS=6%,KNH4=1.5gN/m3),thepredictedresultsforCOD,NandPreachtoaquitegoodleve.lWithtwosetsofoperationalparametersatdifferentseasons,thesimulationsgivealsogoodresultsapproachingtomeasureddata.　　Keywords:　reversedA2/Oprocess;　mathematicalsimulation;　TUDmodel;　AQUASIM　　,、。:(ASMs)(Delft)TUD[1～6]。、/、,。,、、。,“”,。,,,,、,。,TUDA2/O,。1　倒置A2/O工艺模型的建立1.1　A2/O,25×104m3/d。1。1　A2/OFig.1　AreversedA2/OprocessinaBeijingWWTP　　A2/O6。3,96.2m,9.28m,6m,5356.4m3;316069.2m3。117m,15m,32m,32.2m,2、3。(HRT)16min(100%HRT),HRT45min(HRT15min),HRT3.6h。1,50m,4m,7854m3。,18×104m3/d,3.03×104m3/d。1500～2500mg/L,(SRT)6d,10d。7,25.6℃,1,13.7℃;18℃。1,、2。1　Tab.1　Designedparametersofaerationtank/m3DO/(gm-3)HRT/hR1946.60.50.27R2835.20.20.25R31781.80.20.5R412505.72、1.5、0.83.6　:　R4DO1、23。2　20044—6、Tab.2　MeasuredaverageinfluentandeffluentdatafromApriltoJune2004mgL-1CODTNNH+4-NNO-3-NTPTSSBOD52215038.10.25.312210842311512.33.2129.51.2　A2/OTUDAQUASIM2第23卷　第5期　　　　　　　　　　　　　　中国给水排水　　　　　　　　　　　　[7],,,AQUASIM、。AQUASIM(CSTR),(PF)CSTR。,(CL)(SC)。AQUASIM,A2/O,。2　初步模拟、组分参数修正与模拟再验证,22004、(3)。(2),,3、2、3。3　2004(7、8)(1、2)Tab.3　Averageeffluentqualityinsummerandwinter2004mgL-1CODSSTNNH+4-NNO-3-NTPPO3-4-P20039.611712.546.33033.219.38.25.14.42.721837.712211.249.329.139.18.619.45.14.63.52.1　12,TUD,4。4　Tab.4　InitialsimulatedresultswithdefaultparametersmgL-1CODTNNH+4-NNO-3-NTPTSS42311512.33.21244.423.68.0314.53.2813.6　　4,COD,2.5mg/L;TSS2.0mg/L;TP。,TNNH+4-N7.0mg/L,NO-3-N2.0mg/L。,TUD,,。2.2　TN,TNNiNBM、iNSF、iNSI、iNXSiNXI。,N(iNBM)(7%)[8]。4N,Meijer[8],iNSFiNXS。《》N[9],iNSF3%6%,iNXS4%6%。2.3　NH+4-NNO-3-N,(DO),。,。,[10],,NH+4-N,NH+4-NNO-3-N———NH+4-N(KNH4)O2(KN,O2)。,KN,O2NH+4-NNO-3-N,,KNH4。NH+4-NKNH4,NO-3-NKNH4,,KNH4(1.0gN/m31.5gN/m3)。5(iNSF=6%,iNXS=6%,KNH4=1.5gN/m3)2。5　NTab.5　ResimulatedresultswithcalibratedparametersmgL-1TNNH+4-NNO-3-N2812.514.1　　5,、TN3.0mg/L,NH+4-N、NO-3-N3郝晓地,等:采用TUD联合模型模拟倒置A2/O工艺的运行工况第23卷　第5期2.5mg/L,。3　参数修正后的工艺模型验证,,,[10]。,2004、。6、,2004TN、NH+4-NNO-3-N。6　2004Tab.6　Simulatedresultsofeffluentinsummer2004mgL-1TNNH+4-NNO-3-N3019.38.222.512.29.227.218.17.8　　6,4,,TN3.0mg/L,NH+4-NNO-3-N1.0mg/L,。2004(7)。7　2004Tab.7　Simulatedresultsofeffluentinwinter2004mgL-1TNNH+4-NNO-3-N29.18.619.428.17.419.44　结论,TUDA2/O。COD(2.5mg/L),TSS2.0mg/L,TP。,TNNH+4-N7.0mg/L,NO-3-N2.0mg/L。TNN,,。:iNSF=6%,iNXS=6%,KNH4=1.5gN/m3。,。,,TUD。:[1]　HenzeM,GujerW,MinoT,etal.Activatedsludgemod-elNo.2d,ASM2d[J].WaterSciTechnol,1999,39(1):165-182.[2]　GujerW,HenzeM,MinoT,etal.Activatedsludgemod-elNo.3[J].WaterSciTechnol,1999,39(1):183-193.[3]　SmoldersGLF,vanderMeijJ,vanLoosdrechtMCM,etal.Structuredmetabolicmodelforanaerobicandaero-bicstoichiometryandkineticsofthebiologicalphosphor-usremovalprocess[J].BiotechnolBioeng,1995,47(33):277-287.[4]　KubaT,MurnleitnerE,vanLoosdrechtMCM,etal.Ametabolicmodelforbiologicalphosphorusremovalbyde-nitrifyingorganisms[J].BiotechnolBioeng,1996,52(6):685-695.[5]　MurnleitnerE,KubaT,vanLoosdrechtMCM,etal.Anintegratedmetabolicmodelfortheaerobicanddenitrif-yingbiologicalphosphorusremoval[J].BiotechnolBio-eng,1997,54(5):434-450.[6]　vanVeldhuizenHM,vanLoosdrechtMCM,HeijnenJJ.Modelingbiologicalphosphorusandnitrogenremovalinafullscaleactivatedsludgeprocess[J].WaterRes,1999,33(16):3459-3468.[7]　ReichertP.AQUASIM2.0—ComputerProgramfortheIdentificationandSimulationofA