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12111(1.,150090;2.,100022),,DO,ORP,pH,,,,DO,pH,ORPDOORPpH2On2linemonitoringofDO,ORPandpHtoachieveandmaintainshortcutnitrificationanddenitrificationLiuXiuhong1WangShuying2GaoDawen1YangQing1WuFansong1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090;2.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentalRecoveryEngineering,BeijingPolytechnicUniversity,Beijing100022)AbstractShortcutbiologicalnitrogen2removalprocessesarecurrentlywidelyconcerned.Manymethodsofachieveingshortcutnitrification2denitrificationareputforward,butsomeproblemsstillexist.ThechangesofDO,ORPandpHduringshort2cutnitrificationanddenitrificationtosomeextendreflecttheprocessofnitrificationanddenitrifi2cationintheactivated2sludgeprocess,thereforeDO,ORPandpHcanbeusedasthecontrolparameters.Inthispaper,theprogressinthestudyofprocesscontrolofshort2cutnitrificationanddenitrificationathomeandabroadintherecentyearswasreviewedandanalyzed.Inaddition,theideaofon2linemonitoringDO,ORPandpHtoachieveandmaintainshortcutnitrificationanddenitrificationwasintroduced.KeywordsDO;ORP;pH;shortcutnitrification2denitrification;processcontrol:(50138010);(8022006);:2003-11-12;:2004-01-04:(1979),,,E2mail:lxhfei@163.com,,,,,,211.1,,222,NO-22NNO-32NNH+42NNO-22NN2HNO2,,25%(),40%(),,,512Vol.5,No.12200412TechniquesandEquipmentforEnvironmentalPollutionControlDec.2004HNO2,,1.21975Voets[1]HNO2/,,,1.2.1,,,:(1)Hellinga[2],3035(2)[3],1214,HNO2,30HNO2(3)Balmelle[4],25(4)HyungseokYoo[5],2227,15,,DelftSHARON[6](3035),,SRTHRTHRT,,,1.2.2,KeisukeHan2naki[7],25,NH+42N80mg/L(015mg/L),(1),NO-22N;(0.5mg/L),NO-22N,NO-22N60mg/L,GentOLAND[8],,,,NH+42NNO-22N,,,1.2.3pHpHpH,pH,pH(FA),Balmelle[4],pH815[9],pH71490%,pH714813Hellinga[2]SHARON,pH781.2.4,:[10,11],(FA),016mg/LFA,FA40mg/L:,[12,13]1.2.5,,,,HNO2SHARON[6]CSTR,,CSTR(HRT)(SRT),HRT1.2.6,,[14]1.385,:(1),SHARON,3035;,,(2),,,,,,[15],(3)pH,,pH,pH,,;,pH,pH(4),,,FA,(5),,HRT,,,,22.1HNO2,DO,ORP,pH,,[1618],SBR,,,DO,,ORP,,,,DO,,,ORP,,pH,,CO2,pH,DO,ORP,pH,,2.2,SBR,NH+42NNO-22NNO-32N,DO,ORP,pHNO-22N,NO-32NN2,,,NO-22N/NO-x2N,,,,,,pH,[19]SBR,3032,pH710717,1,,,NO-32N/NO-x2N5%,,pH,[18](311),,3,195%,(NO-22N/NO-x2N)96%,912:1Fig11ProfilesofORP,pH,NH+42N,NO-22N,NO-32N,duringshortcutnitrification2denitrification3(1),,,,,DO,pH,FA,,,;,,,,,(2)(3),[1]VoetsJ1P1,VanstanenH1,VerstraeteW1Removalofnitrogenfromhighlynitrogenouswastewater1JournalofWaterPollutionControlFederation,1975,47:394398[2]HellingaC1,etal.Thesharonprocess:Aninnovativemethodfornitrogenremovalfromammonium2richwastewater.Wat.Sci.Tech.,1998,37(9):135142[3],,.2.,2000,16(2):2931[4]BalmelleB.Studyoffactorscontrollingnitritebuild2upinbio2logicalprocessesofwaternitrification.Wat.Sci.Tech.,1992,26(56):10171025[5]HyungseokYoo.Nitrogenremovalfromsyntheticwastewaterbysimultaneusnitrificationanddenitrificationvianitriteinanin2termittently2aeratedreactor.Wat.Res.,1999,33(1):146149[6]MulderJ1W1,RogiervanKempen.N2removalbySHARON.I2AWQCoference,199713031[7]KeisukeHanaki,etal.Nitrificationatlowlevelsofdissolvedoxygenwithandwithoutorganicloadinginasuspended2growthreactor.Wat.Res1,1990,24(3):297302[8]AbeliovichA1,VonshakA1AnaerobicmetabolismofNitro2somonaseuropeae1ArchivesofMicrobiology,1992,158:267270[9],,..,1999,25(7):3739[10]AbelingU1,SeyfridC1F.Anaerobic2aerobictreatmentofhighstrengthammoniumwastewater2nitrogenremovalvianitrite.Wat.Sci.Tech1,1992,26(56):10071015[11],.NH+42N/.,2001,21(1):7983[12]OussamaTurk.Maintainingnitritebuild2upinsystemacclimatetofreeammonia.Wat.Res.,1989,23(11):13831386[13]NeufeldR1D1Phenolandfreeammoniainhibitiontonitro2somonasactivity.Wat.Res.,1980,14:16951703[14]TanakaK1Applicationofnitrificationbycellsimmobilizedinpolyethyleneglycol.Prog1Biotech1,1996,11(immobilized):622632[15]LaanbroekH1J1,GerardsS.CompetitionforlimitingamountsofoxygenbetweenNitrosomanaseuropaeaandNitrobacteriawinogradskyigrowninmixedcontinuouscultures.Arch1Microbiology,1993,159:453459[16],,,1DO,ORP,pHSBR.,2001,17(4):611[17],,,1SBR.,2002,18(10):25[18],,,1SBR2.,2002,18(11):1318[19],,,1SBR.,2002,23(2):5054015