corrousel中的同时硝化反硝化

Carrousel/(SND)1,1,2(1.,200092;2.):Carrousel,,IAWQ1.Carrousel/,,.:Carrousel;/;1;:X703:A:025023301(2002)20420040:(1975),,,.StudyonSimultaneousNitrificationandDenitrification(SND)inCarrouselOxidationDitchYangQing1,LiuSuiqing1,GanShuying2(1.CollegeofEnvironmentalScience&Engineering,TongjiUniver2sity,Shanghai200092,China;2.ShanghaiAcademyofEnvironmentalScience)Abstract:ReactorsofimpellersandditchesinCarrouseloxidationditcharethebestcombinationofpushflowreactorsandcompletemixingreactors.AccordingtothisanewmathematicalmodelbasedonActivatedSludgeModelNo.1wasputforward.ThesimultaneousnitrificationanddenitrificationofCarrouseloxidationditchprocesswasvalidatedinthelaboratory,whichwasdynamicsimulatedbythenewmodel.Theresultstallywellwithpilot2scaleexperimentdata.Keywords:CarrouselOxidationDitch;simultaneousnitrificationanddenitrification;activatedsludgeModelNo.1(ASM1);dynamicsimulation,,.[14],/./,.,,.1//,3SND:(1)/.(2)(),.,.(3)[5],[6].2Carrousel1.Carrousel1CarrouselFig.1Flow2sheetofdenitrificationprocessbyCarrouselOxidationDitchCarrousel23200212ENVIRONMENTALSCIENCEVol.23,Sup.Dec.,2002©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,21,.,,,,,(2).2CarrouselFig.2IchnographyandmensurationdotsdistributionofCarrouselOxidationDitch3Carrousel/Carrousel,,,,.pH710,11,MLSS3000mg/L,(SV)70%85%,CODCr95%.Carrousel018115mg/L,015018mg/L,3.Carrousel2,Carrousel,.4,3115mg/L18mg/L.6,.TN,,,Carrousel.3Fig.3Distributionfigureofdissolvedoxygen4Fig.4Variationofvariousnitrogen4CarrouselCarrousel.12,,2.3,,,212,5.Carrousel,2,V1=V3=010125m3,110115mg/L,,115110mg/L.V2=010545m3,V4=0114m3.Carrousel,R=20,r=1.1[7],14©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.CFSTR,PF5CarrouselFig.5PatternfigureofCarrouselOxidationDitchreactor.,,.,CFSTR:dXBAdt=Q(1+r+R)/V(XBAO-XBA)+^ASNHKNH+SNHSOKO,H+SOXBA-bAXBA(1),Q(m3/d);V(m3);XBA(g/m3);A(d-1);SNHNH+42NNH32N(g/m3);KNH(g/m3);SO(g/m3);KO,H(g/m3);bA(d-1).PF(2):dXBAdt=^ASNHKNH+SNHSOKOH+SOXBA-bAXBA(2)5ASM1,.4,,69.6Fig.6VariationofDOineachditch7Fig.7VariationofNH3ineachditch(6),.7,12,.84132423©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8Fig.8Variationofnitratenitrogenineachditch9Fig.9VariationofTNineachditch415mg/L,,.93115mg/L18mg/L,,,.69,,.6(1)Carrousel,Carrousel.(2)Carrousel,.12,212,SCFTR1PF1CFSTR2PF2Carrousel.(3)1,,.:1Munchetal.SimultaneousNitrificationandDenitrificationinBench2scaleSequencingBatchReactors.Wat.Res.,1996,30(2):277284.2BertanzaG.SimultaneousNitrification2denitrificationProcessinExtendedAerationPlants:PilotandRealScaleExperi2ences.Wat.Sci.&Tech.,1997,35(6):5361.3..,1998,24(12):69.4DaiggerGT,LittletonHX.Orbal/.,1999,15(3):17.5VanLoosdrechtMCM,JettenMSM.Microbiologicalcon2versionsinnitrogenremoval.IAWQ19thBiennialInternation2alConferencePreprintBook1.1998,18.6..,1997,17(6):3738.7HenzeM,GradyCPL,GujerWJetal.ActivatedSludgeModelNo.1.IAWPRCScientificandTechnicalReportNo.1,IAWPRC,London.1987.34©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.