交替好氧-缺氧短程硝化反硝化生物脱氮--方法实现与控制

:025322468(2004)0520761208:X703:AP.1,2,2(1.,150090;21,100022):P(261):P.SBRP.,PSBRP.P11381125,SBR11821161.,P,,,.:;P;SBR;;Alternatingoxic2anoxicshortcutnitrification2denitrification.realiza2tionandcontrolGAODawen1,PENGYongzhen2,WANGShuying2(11SchoolofMunicipal&EnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090;21SchoolofEnvironmentalandEnergyEngineering,BeijingUniversityofTechnology,Beijing100022)Abstract:Anovelbiologicalnitrogenremovaltechnologyviashortcutnitrification2denitrificationwasdevelopedusingbothreal2timecontrolstrategiesandalternatingaerationPmixingoperationmodeat261,whichisalternatingoxicPanoxicshortcutnitrification2denitrificationun2derreal2timecontrol.Acomparativestudyonitandshortcutnitrification2denitrificationundertraditionalSBRprocesswithreal2timecontrolandalternatingoxicPanoxicshortcutnitrification2denitrificationunderfixedtimecontrolmodewasmadeinsequencingbatchreactor(SBR).TheresultsshowedthatalternatingoxicPanoxicshortcutnitrification2denitrificationunderreal2timecontrolisthebestoneincomparisonwithotherprocesses.Itsnitrificationanddenitrificationrateswere1138timesand1125timesofalternatingoxicPanoxicshortcutnitrification2denitrificationunderfixedtimecontrol,andwere1182timesand1161timesofshortcutnitrification2denitrificationundertraditionalSBRprocessrespectively.Sothistechnologycannotonlycontrolaerationandmixingtimeaccurately,butalsoimprovebothnitrificationanddenitrificationratesandde2creasestotalreactiontime,andsavestheoperationcost.Keywords:biologicalnitrogenremoval;alternatingoxic2anoxic;SBR;shortcutnitrification2denitrification;real2timecontrol:2003212230;:2004202219:(50138010);(E0230):(1967),,(),,[e-mail],,10%30%,[1].,,,.,,24520049ACTASCIENTIAECIRCUMSTANTIAEVol.24,No.5Sep.,2004©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2].,2,[3],,,[46].,pH,,[68].,DelftSHARON3035[7].,,.,pHpH8[9].pH,pH.,,pH,.,pHpH.,H+OH-,pH.pH,,,,,.,pHpH,.,1SBRFig.1Theschematicdiagramofexperimentalsystemwithcontrolequip2mentinSBRprocess,[10].,[1113],[14],SBR,PSBR.2SBR,(1).,,700mm,300mm,38L.50mm,;;,,;,,26724©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),ORPpHCOD,NH+42N,NO-22N,NO-32N,MLSS.,,,COD,.[15]..22P,.,SBR,.2PSBR,3,.(COD,).016m3h-1;COD300mgL-163mgL-1;(261)(SHARON);415gL-1.,,.31.13Table1OperationconditionsofthreemethodsfornitrogenremovalP4h015h315h1hPORPpHPSBRORPpHSBR3311PP[16,17].,,P,.,[18],P.P,P.31111PSBR3675:P.©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.([NO-2]P[NO-X]95%),,,21mgL-1...2,:(1)1.4h,10mgL-1,,,12.(2)1.2,10min,,.130min,,20min.(3)2.2,2,,10mgL-1.,,.(4)2.,22,,,30min.,,30min.,COD,P.,,,,.31112PP,,P,(ORP)pH.P,ORPpH,,,.3ORPpHNH+42N,NO-22NNO-32N.3,ORPpH[18],,ORPpHP.P,2,.ORP,50min46724©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(P),NH+42N,NO-22NNO-32N45COD,(P),.P,4PFig.4Variationofthealkalinitywithtimeduringalter2natingoxic2anoxicshortcutnitrification2denitrifi2cationcontrolledbyreal2time5PCODFig.5VariationofCODwithtimeduringalternatingoxic2anoxicshortcutnitrification2denitrificationcon2trolledbyreal2time1,1,.,,,200min(Q),ORP,2,,,Q?,,P.,Q,,ORP,1.2ORP1,ORP(R),[18].5COD.5675:P.©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3),[18].SBR,pH.,P,ORPpH,P.6SBRFig.6Shortcutnitrification2denitrificationcontrolledbyreal2time312PSBRP.,3270280mgL-1,COD,.P311P.SBR67.6,,,(2mgL-1).,ORPpH,.7SBRFig.7Variationofthealkalinitywithtimeduringshortcutnitrification2denitrificationcontrolledbyreal2time,,,3,COD100mgL-1,.,.,P,2P,10mgL-1(2),,(12mgL-1).,ORPpHSBR,,,2mgL-1(6),(7).,ORPpHPSBR,P,12,.4,172mgL-1,,66724©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(mgg-1min-1)PminP(mgg-1min-1)Pmin1N2Nt1Nt2N1DN2DNt1DNt2DNP010160102811521001180012023060P01024010431859501217012062020SBR0101837501195352,P,PSBR11381182.,P,,,325min;,90min,3.3P,280min,SBR95min.,3,P.4(1)P3:,,.,.,,.(2)P,.ORPpHP,.(3)PP11381125,SBR11821161.P345min,SBR30min,35min,SBR10min.7675:P.©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1].[J].,2000,16(2):2528[2],,.2[J].,2000,16(2):2931[3]Joannasurmacz2Gorska,AndrzejCichon,KorneliuszMiksch.Nitrogenremovalfromwastewaterwithhighammonianitrogenconcen2trationviashorternitrificationanddenitrification[J].WatSciTech,1997,36(10):7378[4]HellingaC,SchellenAAJC,MulderJW,etal.TheSharonprocess:aninnovativemethodfornitrogenremovalfromammonium2richwastewater[J].WatSciTec