高浓度氨氮废水自养半短程硝化试验李小霞

294200911JournalofGuilinUniversityofTechnologyVol.29No.4Nov.　2009:1006-544X(2009)04-0543-05李小霞,解庆林,游少鸿,申泰明,张露文(,　541004)　:SBR。35±1℃,(DO)1.0～1.5mg/L,。:NH3-N510mg/L、HRT=12h、DO=0.8～1.2mg/L、pH=7.5～8.3,SBRNO-2-NNH3-N253.7246.9mg/L,ρ(NO-2-N)/ρ(NH3-N)1.02,ANAMMOX。:;;NO-2-N/NH3-N:X703.1　　　　　　　　　　　　　:A—,,,,,[1-4],,。,(singlereactorforhighammo-niumremovalovernitrite,SHARON)、(anaerobicammoniumoxidation,ANAM-MOX)、(oxygenlim-itedautotrophicnitrificationdenitrification,OLAND)(aerobicdeammonification,CANON),,,,,25%,40%,300%,、[5]。,,,NO-2-N/NH3-N(,)1∶1。,,ANAMMOX,NO-2-N/NH3-N1.0～1.3。1　1.1　(sequencebatcherrector,SBR),14cm,50cm,8.3L,7L,。40mm,,。1.2　NH4HCO3,KH2PO4、MgC12·7H2O、CaCl2,。,5,60mg/L,　:2008-01-10　:(0704K028);(200708LX208)　:(1980—),,,,E-mail:[e-mail]。　:,,,E-mail:[e-mail]。180mg/L。1。1　Table1　WaterqualityNH3-N180～550mg/LMgC12·7H2O100mg/LNO-2-N0mg/LCaCl235mg/LNO-3-N0mg/LFe-EDTA1.5mLKH2PO460mg/L1mL,VSS/SS0.53,SVI126mL/g。1.3　NH3-N;NO-2-NN-(1-)-;pHpH;DO;MLSS;NO-3-N;T。1.4　SBR2,10min、11h、40min、10min。、,HRT24h。,:T35±1℃,DO=1.0～1.5mg/L,pH=7.5～8.3。,,,1℃。,0.8～1.0g/L。NH3-N、NO-2-NNO-3N。HRT8～24h、pH=6.5～8.5、T=26～38℃、0.5～1.8mg/L,。2　2.1　160d,、3。、12。,NO-x-NNO-3-N,98.5mg/L;8d,NO-2-N13.9mg/L,;21d,1　(a)(b)Fig.1　Changeofnitrogenonsetup(a)andloadingincrease(b)periodinreactor2　HRTFig.2　EffectofHRTonshortcutnitrificationNH3-N267.5mg/L,NO-3-N167.1mg/L,NO-2-N63.8mg/L,NH3-N30.1mg/L;29d,544　　　　　　　　　　　　　　　　　　　　　2009NH3-N281.4mg/L,NO-3-N103.7mg/L,NO-2-N141.3mg/L,NH3-N19.2mg/L,。NH3-N,NO-2-N,,NO-2-N/NH3-N1.0～1.3,ANAMMOX。2,1,280mg/L320mg/L,NO-2-NNH3-N,176.467.2mg/L,NO-3-N57.1mg/L,。23,NH3-N380460mg/L,,NO-2-NNH3-N223.5156.9mg/L,NO-3-N27.1mg/L,,NO-2-N/NH3-N1.42,1.3。4,NH3-N510mg/L,NO-2-NNH3-N249.1231.7mg/L,NO-3-N4.3mg/L,NO-2-N/NH3-N1.1,ANAMMOX,,。NH3-N560mg/L,NH3-N297.4mg/L,,NH3-N,NH3-N,。,NH3-N510mg/L。2.2　2.2.1　水力停留时间(HRT)对自养半短程硝化的影响　HRT24h,75dHRT8、12、1824h,pH7.5～8.3,DO1.0～1.5mg/L,NH3-N500mg/L,HRT。HRT。3,HRT8h,NH3-N275.3mg/L,NO-2-N203.7mg/L;3　pHFig.3　EffectofpHonshortcutnitrificationHRT12h,NO-2-NNH3-N247.3233.7mg/L,NO-2-N/NH3-N1.05。HRT18h,NO-2-NNH3-N259.6221.9mg/L,NO-2-N/NH3-N1.17。HRT24h,NO-3-N27.6mg/L,NO-2-NNH3-N。,HRT1218hNO-2-N/NH3-N1.0～1.3,,HRT12h。[6]:,HRTSRT(),,HRT12h,SRT,“”,HRT12h。[7-8]。2.2.2　pH值变化对半短程硝化反应的影响　pH,,pH1,。pH5454　　　　　　　　　　　　:pH,pH,[9-10]。pH,pH6.5～8.8,。3。pH6.5～7.5,NO-2-NNH3-N281.4203.9mg/L,NO-3-N17.9mg/L,pH,,。pH7.5～8.5,NO-3-N5.1mg/L,NO-2-N/NH3-N1.0～1.3。pH8.5,NH3-N275.4mg/L,NO-2-N,pH7.5～8.5。2.2.3　温度的影响　,,。40℃。,[11]。26～38℃,4。4　Fig.4　Effectoftemperatureonshortcutnitrification28℃,NH3-NNO-3-N,291.334.7mg/L,NO-2-N201.4mg/L。30℃35℃,NO-2-NNH3-N263.8241.6mg/L,NO-2-N/NH3-N1.21。38℃,,,30～35℃。2.2.4　溶解氧(DO)浓度对半短程硝化的影响　DO(0.6～1.5mg/L)、,,DO,NO-2-N,[12],5。5　DOFig.5　EffectofDOonshortcutnitrificationDO0.4～0.8mg/L,NH3-N276.2mg/L,NO-2-N183.6mg/L,;DO0.8～1.2mg/L,NO-2-NNH3-N253.7246.9mg/L,NO-2-N/NH3-N1.03;DO1.2～1.5mg/L,DO,NO-2-NNO-3-N,NO-3-N64.7mg/L,NO-2-N546　　　　　　　　　　　　　　　　　　　　　2009191.3mg/L。,DO0.8～1.2mg/L。3　　(1),,35±1℃、SBRDO1.0～1.5mg/L、pH7.5～8.5,29d,NO-2-NN0-3-N,,510mg/L,NO-2-N/NH3-N1.0～1.3,。(2),HRT12h、0.8～1.2mg/L、pH7.5～8.5,NO-2-N/NH3-N1.0～1.3。(3),,,,,。:[1],,.[J].,2006,32(3):26-27.[2],,,.[J].,2006,26(11):35-38.[3],.[J].,2007,23(4):88-94.[4],.[J].,2007,38(2):12-15.[5],,.[J].:,2004,20(3):339-341.[6],,,.[J].,2000,20(3):207-210.[7],.[J].,2006,25(2):74-77.[8]PhilipsS,LaanbroekHJ,VerstraeteW.Origin,causesandeffectsofincreasednitriteconcentrationsinaquaticenvi-ronments[J].ReviewsinEnvironmentalScienceandBio-technology,2002,1(2):115-141.[9]MiyokoWaki,TakaakiTokutomi,HiroshiYokoyama,etal.Nitrogenremovalfromanimalwastetreatmentwaterbyanam-moxenrichment[J].Bioresourc.Technol.,2007,98(14):2775-2780.[10]SinhaB,AnnachhatreAP.Assessmentofpartialnitrifica-tionreactorperformancethroughmicrobialpopulationshiftu-singquinoneprofile,FISHandSEM[J].BioresourceTechnology,2007,98(18):3602-3610.[11],,.[J].,2005,26(1):63-67.[12],,.[J].,2005,131(10):5-7.TreatmentofWastewaterwithHighAmmoniaConcentrationviaAutotrophicHalfShortcutNitrificationLIXiao-xia,XIEQing-lin,YOUShao-hong,SHENTai-ming,ZHANGLu-wen(GuangxiKeyLaboratoryofEnvironmentalEngineering,ProtectionandAssessment,GuilinUniversityofTechnology,Guilin541004,China)Abstract:Autotrophichalfshortcutnitrificationprocessisappliedwithnitrifyingsludgeinsequencingbatchre-actor(SBR).Shortcutnitrificationcanbegotwhendissolvedoxygen(DO)concentrationis1.0-1.5mg/Landtemperatureis35±1℃.Itshowsthattheinfluentammoniumconcentrationis510mg/L,HRTis12hours,pHis7.5to8.5andDOconcentrationis0.8to1.2mg/L,theeffluentNO-2-NandNH3-Naverageconcentrationare253.7and246.9mg/L,respectively.WhentheeffluentNO-2-N/NH3-Nratiois1.02,itmeetsthedemandofanaerobicammoniumoxidation.Keywords:autotrophichalfshortcutnitrification;sequencingbatchreactor(SBR);nitritenitrogen/ammo-niaratio5474　　　　　　　　　　　　: