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:2003212208;:2004202217:(1975),,,;(1952),,,,,.2710()Vol.27No.10200410JOURNALOFHEFEIUNIVERSITYOFTECHNOLOGYOct.20041,2,1(1.,230009;2.,230061):,,,,:;;;;:X703.1:A:100325060(2004)1021292205ShortenednitrificationprocessforbiologicalnitrogenremovalLIANGYue2gan1,ZHANGZhi2yuan2,ZHOUYuan2xiang1(1.SchoolofResourcesandEnvironment,HefeiUniversityofTechnology,Hefei230009,China;2.AnhuiEnvironmentalProtectionBu2reau,Hefei230061,China)Abstract:Theshortenednitrificationprocessforbiologicalnitrogenremovalhasbeenahottopicinthefieldofwastewatertreatmentathomeandabroadinrecentyears.Inthispaper,basedonthepresentresearchliterature,themechanismoftheshortenednitrificationprocessisbrieflyintroduced,andthemainfactorsinfluencingtheaccumulationofnitriteareanalyzed.Theapproachestoachievingtheshortenednitrificationprocessarediscussedandtheproblemstobesolvedanalyzed.Finally,thede2velopmentprospectoftheshortenednitrificationprocessisdiscussedbriefly.Keywords:biologicalnitrogenremoval;shortenednitrification;nitriteaccumulation;influencingfac2tor;achievingapproach,[1,2],[15],2,,212,NH+4NO-2;NO-3;,NO-3NO-2,N2NO-2,,NO-2NO-3,NO-3,NO-25%[6]:,NH+4NO-3,,2;NO-2NO-3,NH+4NO-2N2NO-2,NO-2,[7][8]NO-2,NO-2ö(NO-3+NO-2)0.5,:;;;O2[9]22.1(FA)(NH3)(NH+4)2,(1),Q=1714[NH+4-N]10pHKböKw+10pH(1),Q;Kb,Kw,KböKw=e(6344ö(273+t));tpH,pH,[10]FA,,FA,[10](0.11.0)10mgöL[11]1.05.0mgöL[12]6.68.9mgöL[8]0.45.0mgöL,[13],,FA,2.22035,15,[14]NO-225;[14],Ford3036,SHARON(SinglereactorHighactivityAmmoniaRemovalOverNitrite)2.3pHpH[15]pHH+OH-,H+OH-,,,OH-CO2-3HCO-3,pHH+,HCO-3[16]HCO-3,HCO-3pHFA,2[8]NO-2pH7.48.3,[17]NO-2pH7.58.8,[18]2SBR,pH,ÉÊËpH6.88.28.8pH7.08.5392110,:2.4DODO2mgöL,DO0.20.4mgöL1.21.5mgöL,[19]:DOSRTNO-2,DOSRTNO-2[20]:,,NO-3;,,NO-2[21]:DO1.40.7mgöLNO-2,DO;DO0.5,DO1.00.5mgöL2.5ö(SRT)[22]NH+4NO-2(NH2OHöNH3OH+)NO-2[9],TurkMavinic1986,FA,,SRT,,,2,33.1FA[10]2FA,:pH,FA,,,[23]FA16mgöL,0.04mgöL,[24]:FA,pHFA,[25]SBR,FAFA,FA[13]:FA,20.2mgNH3-NögVSS60.5mgNH3-NögVSS0.7mgNH3-NögVSS,[9]FA,[26,27]FAFA,:FA23.2SHARONSHARONdelft,,,,2[28]SHARON2[2931][32]2SBR,30pH,2,SHARONSHARON,4921()27,[33]3.3,DO2mgöL[34]:DO,,DO,[33]DO0.40.6mgöL,,,,,[35,36]DO0.51.0mgöL,DO,[37]DOFA5,5[22]DO,FA[38]DOFASBR,;DOCSTRSRT,DO,,;,DO4,,,,,(),2,SND[39]ANAMMOX[4042]:,,,SNDANAMMOX,SNDANAMMOX,[][1],,.[J].,2001,28(4):88-91.[2].[J].,2000,16(2):25-28.[3]MchmidtI,SliekersO,SchmidM,etal.Newconceptsofmicrobialtreatmentprocessesforthenitrogenremovalinwastewater[J].FEMSMicrobiologyReviews,2003,27:481-492.[4]KuenenJG,RobertsonLS.Combinednitrification2denitrificationprocesses[J].FEMSMicrobiologyReviews,1994,15:109-117.[5]VerstraeteW,PhilipsS.Nitrification2denitrificationprocessesandtechnologiesinnewcontexts[J].EnvironmentalPollution,1998,(S1):717-726.[6]LoosdrechtMCMV,JettenMSM.Microbiologicalconversionsinnitrogenremoval[J].WatSciTech,1998,38(1):1-7.[7],,.2[J].,1993,14(3):2-6.[8],,.[J].,1999,25(7):37-39.[9]TurkN,MavinicDS.Maintainingnitritebuild2upinasystemacclimatedtofreeammonia[J].WatRes,1989,23(2):1383-1388.[10]AnthonisenAC.Inhibitionofnitrificationbyammoniaandnitrousacid[J].JWPCF,1976,48(5):835-852.[11]AbelingU,SeyfriedCF.Anaerobic2aerobictreatmentofhigh2strengthammoniawastewaternitrogenremovalvianitrite[J].592110,:WatSciTech,1992,(5,6):1007-1015.[12]ManretM,PaulE,Puech2CostesE,etal.Applicationofexperimentalresearchmethodologytothestudyofnitrificationinmixedculture[J].WatSciTech,1998,(1,2):245-252.[13]VillaverdeS,Fdz2PolancoF,Garcia2EncinaPA,etal.Nitrifyingbiofilmacclimationtofreeammoniainsubmergedbiofiters:Start2upinfluence[J].WatRes,2000,34(2):602-610.[14]BalmelleB,NguyenM,CapdevilleB,etal.Studyoffactorscontrollingnitritebuild2upinbiologicalprocessesforwaternitrifica2tion[J].WatSciTech,1992,(5,6):1017-1025.[15]VillaverdeS,Garcia2EncinaPA,Fdz2PolancoF,etal.InfluenceofpHovernitrifyingbiofilmactivityinsubmergedbiofilters[J].WatSciTech,1997,(5):1180-1186.[16]WettB,RauchW.Theroleofinorganiccarbonlimitationinbiologicalnitrogenremovalofextremelyammoniaconcentratedwastewater[J].WatRes,2003,37:1100-1110.[17],,,.[J].,2003,19(9):40-42.[18].pHö[J].,2001,15(4):346-350.[19]PolliceA,TandoiV,LestingiC.Influenceofaerationandsludgeretentiontimeonammoniumoxidationtonitriteandnitrate[J].WatRes,2002,36:2541-2546.[20],BerentN.[J].,1999,17(6):10-12.[21]RuizG,JeisonD,ChamyR.Nitrificationwithhighnitriteaccumulationforthetreatmentofwastewaterwithhighammoniacon2centration[J].WatRes,2003,37:1371-1377.[22]YangL,AllemanJE.Investigationofbatchwisenitritebuild2upbyanenrichednitrificationculture[J].WatSciTech,1992,(5,6):997-1005.[23]Surmacz2GrskaJ,CichonA,MikschK.Nitrogenremovalfromwastewaterwithhighammonianitrogenconcentrationviashorternitrificationanddenitrification[J].WatSciTech,1997,(10):73-78.[24],,,.[J].,1994,20(4):230-235.[25],,,.[J].,2003,24(3):50-55.[26],,,.[J].,2000,32(3):1-3.[27],,,.[J].,2000,16(4):1-4.[28]HellingaC,SchellenAAJC,MulderJW,etal.TheSHARONprocess:Aninnovativemethodfornitrogenremovalfromammo2nium2richwastewater[J].WatSciTech,1998,(9):135-142.[29],,,.DOOPRpHSBR[J].,2001,17(4):6-11.[30],,.SBR[J].,2002,18(10):1-5.[31],,.SBR[J].,2002,18(1