废水生物脱氮新工艺齐美富

齐美富,皮义仁,吴建平,陈　瑛(南昌大学环境与化学工程学院,南昌330031)　:-、3,,。:;-;;:X703.1　　　:A　　　:1671-1556(2009)05-0076-04＊NewProcessesofBiologicalNitrogenRemovalinWastewaterQIMei-fu,PIYi-ren,WUJian-ping,CHENYing(CollegeofEnvironmentalSciencesandEngineering,NanchangUniversity,Nanchang330031,China)Abstract:Thispaperintroducestheadvantages,principlesandinfluentialfactorsofthreenewprocessesofbiologicalnitrogenremovalinwastewater:short-cutnitrification-denitrificationprocess,anaerobicammo-niaoxidationprocessandstep-feedbiologicalnitrogenremovalprocess,whichcanprovidethenewresearchdirectionandguidanceforthebiologicalnitrogenremoval.Keywords:biologicalnitrogenremoval;short-cutnitrification-denitrification;anaerobicammoniaoxidationprocess;step-feedbiologicalnitrogenremovalprocess0　　1930,Wuhr-mann,、,Wuhrmann;1960Bringmann;,20A/O、Bardenpho,。,,,,[1]。3,-、、(BNR)。1　-1.1　,,,;NO-2-NNO-3-N,NH+4-N※NO-2-N※N2[2]。,,,[3]。-,-[4]:(1)25%(),40%(),1。(2)。,1.5～2。(3)。1.2　16　52009　　9　　　　　　　安全与环境工程SafetyandEnvironmentalEngineering　　　　　　Vol.16　No.5Sep.　2009＊:2009-04-02　　:2009-06-04:(1966—),,,。E-mail:[e-mail]1　-Fig.1　Reactionofshort-cutnitrification-denitrification,,,。,。(),1。-2。1　Table1　ImpactextentofnitrobacteriaandNitrosomasindifferentconditions()SHARON(30～35℃),,(SRT)(HRT),HRT、,“”,,[5]OLAND,,,,[6]pHpH6.75pH7.4SHARONpH7.4～8.3,C.I.Hellinga[6]SHARON,pH7～8,/(FA),0.6mg/LFA,FA40mg/L[7]　　　　/,,,[1]2　-Table2　Controllingparametersofshort-cutnitrification-denitrificationtechniquepH/(℃)/(mg·L-1)/(mg·L-1)7.4～8.330～350.2～0.40.51.3　(2),,;,;-,,。,,,,;,。,,。,,,。2　2.1　1990,DelftKluyverANAMMOX。,NH+4-N。NO-2[8,9]。(anaerobicam-moniumoxidation,Anammox),,Candidatusbrocadia、CandidatuskueneniaCandidatusscalindua,,。77第5期　　　　　　齐美富等:废水生物脱氮新工艺　　　　　　,。:NH+4NO-2[9],[10]NH+4+NO-2→N2+2H2OΔG=-358kJ/molΔG0,,。,,,,NH+4NO-2-N,NO-2-NNH+4(2)。2　ANAMMOX[9]Fig.2　ReactiondiagramofANAMMOXtechnique2.2　2,ANAMMOX:①,,;②,。,20℃,,C/N、NH+4-N。3　3.1　,,,。,1991Tallman,-。,,MLSS,[11]。J.Fillos[12]、-。。3.2　,。3.2.1　采用分段进水的方式(3),、、[13～15]。:3　Fig.3　Sketchmapofstep-feedbiologicalnitrogenremovalprocess(1)。MLVSS,,。,,,,。(2)。,,,TN。,,MLSS,;,,,TN。,、。(3)DO。DO,78　　　　　　　　　　　　　　　　　安全与环境工程　　　　　　　　　　　　　　第16卷DO。BNR,,,DO;,DO(≤0.5mg/L)。3.2.2　开发分段进水的多级A/O生物脱氮A/O[16]4。:4　A/OFig.4　Reactiondiagramofstep-feedbiologicalnitrogenremovalprocess(1)。,。,。,,12,,[17]。(2)。A/O,,TNMLSS。,MLSS,,50%[18]。4　　(1)3、、,。,,。(2),,、、。,,。(3),,。:[1].:、、[M].:,2004.13-14.[2],,.-[J].,2000,16(2):29-31.[3],,.[J].,2001,28(4):88-91.[4]Hyungseok,Y.Nitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrificationvianitriteinanin-termittently-aeratedreactor[J].Wat.Res.,1999,33(1):146-149.[5]Balmelle,B.Studyoffactorscontrollingnitritebuild-upinbio-logicalprocessesofwaternitrification[J].Wat.Sci.Tech.,1992,26(5—6):1017-1025.[6]Hellinga,C.L.TheSHARONprocess:Aninnovativemethodfornitrogenremovalfromammoniumrichwastewater[J].Wat.Sci.Tech.,1998,37(9):135-142.[7],.-[J].,2001,21(1):79-83.[8],.[J].,2003,13(7):101-102.[9],,.[J].,2006,31(10):1-3.[10]VandeGreaf,A.A.,A.Mulder,P.deBruijn,etal.Anaerobicoxidationofammoniumisabiologicallymediatedprocess[J].Appl.Environ.Microbiol.,1995,61(4):1246-1251.[11],.[J].,2003,19(4):32-36.[12]Fillos,J.,K.Ramalingam,A.CaltioL.Full-scaleevaluatlonofstep-feedBNRprocessataNewYorkCitywaterpollutioncontrolplant[A].Proceedingsof75thAnnualTechnicalExhibitionandConfer-ence[C].IllinoisUSA:McCormickPlace,Chicago,2002.[13]Fuji,S.Theoreticalanalysisonnitrogenremovalofthestep-feedan-oxic-oxicactivatedsludgeprocessanditsapplicationfortheoptimaloperation[J],Wat.Sci.Tech.,1996,34(1-2):459-466.[14]Gorgun,E.,E.Artan,D.Orhon,etal.Evaluationofnitrogenre-movalbystepfeedinginlargetreatmentplants[J].WaterSci-enceandTechnology,1996,34(1):253-260.[15]Fillos,J.,V.Diyamandoglu,L.A.Carrio,etal.Full-scaleevalu-ationofbiologicalnitrogenremovalinthestep-feedactivatedsludgeprocess[J].Wat.Environ.Res.,1996,68(2):132-142.[16],,,.A/O[J].,2007,25(6):11-14.[17],.[J].,2006,7(10):83-86.[18],,,.[J].,2004,20(9):62-64.79第5期　　　　　　齐美富等:废水生物脱氮新工艺