短程硝化的实现维持与过程控制的研究现状刘秀红

、刘秀红1　王淑莹2　高大文1　杨　庆1　吴凡松1(1.,150090;2.,100022)　　,,。DO,ORP,pH,。,,,DO,pH,ORP。　DO　ORP　pH　-　On-linemonitoringofDO,ORPandpHtoachieveandmaintainshortcutnitrificationanddenitrificationLiuXiuhong1　WangShuying2　GaoDawen1　YangQing1　WuFansong1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090;2.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentalRecoveryEngineering,BeijingPolytechnicUniversity,Beijing100022)Abstract　Shortcutbiologicalnitrogen-removalprocessesarecurrentlywidelyconcerned.Manymethodsofachieveingshortcutnitrification-denitrificationareputforward,butsomeproblemsstillexist.ThechangesofDO,ORPandpHduringshort-cutnitrificationanddenitrificationtosomeextendreflecttheprocessofnitrificationanddenitrifi-cationintheactivated-sludgeprocess,thereforeDO,ORPandpHcanbeusedasthecontrolparameters.Inthispaper,theprogressinthestudyofprocesscontrolofshort-cutnitrificationanddenitrificationathomeandabroadintherecentyearswasreviewedandanalyzed.Inaddition,theideaofon-linemonitoringDO,ORPandpHtoachieveandmaintainshortcutnitrificationanddenitrificationwasintroduced.Keywords　DO;ORP;pH;shortcutnitrification-denitrification;processcontrol:(50138010);(8022006);:2003-11-12;:2004-01-04:(1979～),,,。E-mail:[e-mail]　　,,。,,。,,-。1　1.1　,,22。2,NO-2-NNO-3-N。NH+4-N※NO-2-N※N2。HNO2,。,25%(),40%(),,。,512Vol.5,No.12200412TechniquesandEquipmentforEnvironmentalPollutionControlDec.2004HNO2,,。1.2　1975Voets[1]HNO2/,,,。1.2.1　控制温度,,,:(1)Hellinga[2],30～35℃。(2)[3],12～14℃,HNO2,30℃HNO2。(3)Balmelle[4],25℃。(4)HyungseokYoo[5],22～27℃,15℃,。,DelftSHARON[6]。(30～35℃),,SRTHRT。HRT,“”,,。1.2.2　控制溶解氧,。KeisukeHan-naki[7],25℃,NH+4-N80mg/L(0.5mg/L),(1),NO-2-N;(0.5mg/L),NO-2-N,NO-2-N60mg/L。　,GentOLAND[8]。,,,,。。NH+4-NNO-2-N,。,,。1.2.3　控制pHpH。pH,pH,pH(FA),。Balmelle[4],pH8.5。[9],pH7.490%,pH7.4～8.3。Hellinga[2]SHARON,pH7～8。1.2.4　选择性抑制的控制途径,。:[10,11],(FA),0.6mg/LFA,FA40mg/L。:、,[12,13]。1.2.5　控制污泥龄,,“”,,HNO2。SHARON[6]CSTR,,CSTR(HRT)(SRT),HRT。1.2.6　利用微生物固定技术的途径,,[14]。1.3　85,:(1),SHARON,30～35℃;,,。(2),,,,,,[15]。,。(3)pH,,pH,pH,,;,pH,pH。(4),“”,,FA,。(5),,HRT,。,,,。2　2.1　HNO2,。DO,ORP,pH,,。[16～18],SBR,,,DO。,,ORP。,,,、,DO,,,ORP。,,pH,,CO2,pH。,DO,ORP,pH。,,。2.2　,SBR,NH+4-NNO-2-NNO-3-N,DO,ORP,pH。NO-2-N,NO-3-NN2,,,NO-2-N/NO-x-N,,,。,。。,,pH,。[19]SBR,30～32℃,pH7.0～7.7,1,,,NO-3-N/NO-x-N5%。,,pH,。[18](31±1)℃,,3,195%,(NO-2-N/NO-x-N)96%,。。912:、1　Fig.1　ProfilesofORP,pH,NH+4-N,NO-2-N,NO-3-N,duringshortcutnitrification-denitrification3　　(1),,,,,DO,pH,FA,,,;,,,,,。(2)。。(3),。[1]VoetsJ.P.,VanstanenH.,VerstraeteW.Removalofnitrogenfromhighlynitrogenouswastewater.JournalofWaterPollutionControlFederation,1975,47:394～398[2]HellingaC.,etal.Thesharonprocess:Aninnovativemethodfornitrogenremovalfromammonium-richwastewater.Wat.Sci.Tech.,1998,37(9):135～142[3],,.-.,2000,16(2):29～31[4]BalmelleB.Studyoffactorscontrollingnitritebuild-upinbio-logicalprocessesofwaternitrification.Wat.Sci.Tech.,1992,26(5～6):1017～1025[5]HyungseokYoo.Nitrogenremovalfromsyntheticwastewaterbysimultaneusnitrificationanddenitrificationvianitriteinanin-termittently-aeratedreactor.Wat.Res.,1999,33(1):146～149[6]MulderJ.W.,RogiervanKempen.N-removalbySHARON.I-AWQCoference,1997.30～31[7]KeisukeHanaki,etal.Nitrificationatlowlevelsofdissolvedoxygenwithandwithoutorganicloadinginasuspended-growthreactor.Wat.Res.,1990,24(3):297～302[8]AbeliovichA.,VonshakA.AnaerobicmetabolismofNitro-somonaseuropeae.ArchivesofMicrobiology,1992,158:267～270[9],,..,1999,25(7):37～39[10]AbelingU.,SeyfridC.F.Anaerobic-aerobictreatmentofhighstrengthammoniumwastewater-nitrogenremovalvianitrite.Wat.Sci.Tech.,1992,26(5～6):1007～1015[11],.NH+4-N/.,2001,21(1):79～83[12]OussamaTurk.Maintainingnitritebuild-upinsystemacclimatetofreeammonia.Wat.Res.,1989,23(11):1383～1386[13]NeufeldR.D.Phenolandfreeammoniainhibitiontonitro-somonasactivity.Wat.Res.,1980,14:1695～1703[14]TanakaK.Applicationofnitrificationbycellsimmobilizedinpolyethyleneglycol.Prog.Biotech.,1996,11(immobilized):622～632[15]LaanbroekH.J.,GerardsS.CompetitionforlimitingamountsofoxygenbetweenNitrosomanaseuropaeaandNitrobacteriawinogradskyigrowninmixedcontinuouscultures.Arch.Microbiology,1993,159:453～459[16],,,.DO,ORP,pHSBR.,2001,17(4):6～11[17],,,.SBR.,2002,18(10):2～5[18],,,.SBR-.,2002,18(11):13～18[19],,,.SBR.,2002,23(2):50～54105