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:0253-2468(2003)06-0733-05 :X703 :ASBR高景峰,彭永臻,王淑莹 (, 100022):SBR,3.,,,.pHORPSBR.:;SBR;;TheconstructionoffuzzycontrollerofdenitrificationinSBRprocessandthechoiceofcarbonadditionmethodGAOJingfeng,PENGYongzhen,WANGShuying (CollegeofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing 100022)Abstract:Onthebasisofthefundamentalexperiments,thefuzzycontrollerofdenitrificationinSBRwasconstructed,andtheon-linefuzzycontrolexperimentscomparingthreemethodsofcarbonadditionwerecarriedout.Theresultsshowedacontinuouscarbonadditionatalowratewasthebestmethod,asitcannotonlygivehigherdenitrificationratebutalsoreducethere-aerationtimeasmuchaspossible.ItappearedpromisingthatpHandORPwereusedasfuzzycontrolparameterstocontrolthedenitrificationtimeandthecarbonaddition.Keywords:fuzzycontrol;SBR;denitrification;carbonadditionmethod:2002-10-14;:2003-01-25:(50138010);(8002005):(1974—),,() E-mail:brady009@vip.sina.com、、、、,,.,、、、、.1980R.M.Tong[1],Norwich.,[2—7].,.,S.H.Isaacs[8]BIO-DENI-PHO,NO-x-N.SBR,.[9—12],SBR,3.1 SBR,4:、(236200311 ACTASCIENTIAECIRCUMSTANTIAEVol.23,No.6Nov.,2003DOI:10.13671/j.hjkxxb.2003.06.006)、、.SBR:(1),;(2).3:(1);(2);(3).1、3.2,.22,,.[9—12]ORP(EORP,ORPS,ORPOFFORPSORP);ORP:d(ORP)dt(CEORP);pH:d(pH)dt(CEpH);pH:d2(pH)dt2(C2EpH).:(1)(Mix),UM;(2)(Dose),UD.UM2:.UD2:,.EORP、CEORP、CEpHC2EpHXORP、CXORP、CXpHC2XpH.0.5—1min..XORPCXORP{NB,NM,NS};{NB,NM,NS,NO};CXpH{NB,NS,NO,PO,PS,PB};C2XpH{N,O,P}.[9—12],,,:,:XORPNMNB,CXORPNMNB,CXpHNONS,.“XORPNBNM”,,.“CXORPNMNB”,.ORPpH[9—12].,,:CXpHNOPO,C2XpHO,.,COD,N2,DOORP[9,12].MIN-MAX.Sugeno,,,.2 SBR3,,.,NO-x-N,.2.1 .,,;NH4ClKH2PO4、;NaHCO3pH.734 232.2 SBR1.70cm,30cm,38L,,1 SBR1.ORP 2.pH 3.DO 4. 5. 6. 7. 8. 9. 10. 11.Fig.1 SchematicoftheSBRsystem,.,,..,SBR:,(、),(),,CODN2.DO、ORPpH.2.3 DO、ORP、pH.DO:YSIMODEL50B.pH:pHS-3C,E-201pH.ORP:pHS-3C,E-414QORP.CODCr:5B-1.MLSS:;NO-2-N:N—(1-)—;NO-3-N:;NH+4-N:;PO3-4-P:[13].2.4 MLSS4000mgL,NH+4-N、CODCrPO3-4-P60mgL、300mgL12mgL,C∶N∶P=25∶5∶1,,.3:(1).CODCr379mgL;(2).(CODCr)1018mg(26.8mgL)1920mg(50.5mgL);pH,pHORP.(3)3.CODCrv1=206mgmin(5.42mg(L·min))、v2=269mgmin(7.08mg(L·min))、v3=440mgmin(11.6mg(L·min)).2—71.2 SBR(COD=379mgL),DO、ORPpHFig.2 ProfilesofDO、ORPandpHduringdenitrificationinSBRprocess(AddingonceatthebeginningwithCOD=379mgL)2.5 (2),DOORP,15min,.,ORPpH(2A)min,,.,1018mg/7(3,4),0min,,;1920mg(50.5mgL)4(5),8min.7356:SBR3 COD=1018mgL,DO、ORPpHFig.3 ProfilesofDO、ORPandpHduringdenitrificationinSBRprocess(Addingbrewerywastewaterinbatchfa-shion,CODbatch=1018mgL,denotedbythearrows)4 COD=1018mgL,NO-x-NFig.4 DynamicsofNO-x-NduringdenitrificationinSBRprocess(Addingbrewerywastewaterinbatchfashion,CODbatch=1018mgL,denotedbythearrows),pH.,.v16.3,NO-x-N7.5 COD=1920mgL,DO、ORPpHFig.5 ProfilesofDO、ORPandpHduringdenitrificationinSBRprocess(Addingbrewerywastewaterinbatchfashion)(CODbatch=1920mgL,denotedbythearrows)6 COD=206mgmin,DO、ORPpHFig.6 ProfilesofDO、ORPandpHduringdenitrificationinSBRprocess(Addingbrewerywastewaterincon-tinuousfashion:COD=206mgmin)7 ,NO-x-NCOD:v1:206mgmin(5.42mgLmin);v2:269mgmin(7.08mgLmin);v3:440mgmin(11.6mgLmin)Fig.7 DynamicsofNO-x-NduringdenitrificationinSBRprocessatdifferentbrewerywastewaterdosingrates2—71,pHORP,,..,,,,pH,.,,6:pH.736 23.1 SBRTable1 Comparisonofcharacteristicsofdenitrificationinfuzzycontrolexperiments,mgNO-x-N,mgL,min,min①1440032.620150.411018mg,7712333.373.500.111920mg,4768034.349.580.17v1:206mgmin,34min700444.93400.33v2:269mgmin,28min753241.52800.37v3:440mgmin,22min968045.22200.51 ①NO-x-N,:mg(g·min)3 ,NO-x-N,,,.;.,,.:[1] TongRM,BeckMB,LattenA.Afuzzycontroloftheactivatedsludgewastewatertreatmentprocess[J].Automatica,1980,16(6):695—701[2] TsaiYP,OuyangCF,WuMY,etal.Effluentsuspendedsolidcontrolofactivatedsludgeprocessbyfuzzycontrolapproach[J].WaterEnvironmentalResearch,1996,68(6):1045—1053[3] YinMT,StenstromMK.FuzzylogicprocesscontrolofHPO-ASprocess[J].JournalofEnvironmentalEngineering,1996,122(6):484—492[4] MullerA,Marsili-libelliS,AivasidisA,etal.Fuzzycontrolofdisturbancesinawastewatertreatmentprocess[J].WaterResearch,1997,31(12):3157—3167[5] FuCS,PochM.FuzzymodelanddecisionofCODcontrolforanactivatedsludgeprocess[J].FuzzySetsandSystems,1998,93:281—292[6] ManesisSA,SapidisDJ,KingRE.Intelligentcontrolofwastewatertreatmentplants[J].ArtificialIntelligenceinEngineering,1998,12(3):275—281[7] TayJH,ZhangXY.Afastpredictingneuralfuzzymodelforhigh-rateanaerobicwastewatertreatmentsystems[J].WaterResearch,2000,34(11):2849—2860[8] IsaacsSH,HenzeM,SφebergH,etal.Externalcarbonsourceadditionasameanstocontrolanactivatedsludgenutrientremovalprocess[J].WaterResearch,1994,28(3):511—520[9] ,,,.DO、ORP、pHSBR[J].,2001,17(4):6—11[10] ,,.pHORPSBR[J].,2002,23(1):39—44[11] PengYZ,GaoJF,WangSY,etal.UsepHandORPasfuzzycontrolparametersofdenitrificationinSBRprocess[J].WaterSci-ence&Technology,2002,46(4-5):131—137[12] .SBR[D].(),2001[13] 《》.()[M].:,19897376:SBR