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1,3,2,2,2,1(1., 300050;2., 300072;3., 300160):(GMBR)71d,(SND).TOC56.8～132.6mgL,TOC84.7%～91.9%;28.1～38.4mgL,85.4%～99.7%,41.7%～78.4%.,,,SND,,.,.:;;;:X703.1 :A :0250-3301(2007)03-0528-06:2006-09-09;:2006-11-08:-:(1974～),,,,,E-mail:wangjingfeng@eyou.comCharacteristicsofNitrogenRemovalinAerobicGranularSludgeMembraneBioreactorWANGJing-feng1,WANGXuan3,JIMin2,LUShan2,YANGZao-yan2,LIJun-wen1(1.InstituteofHygieneandEnvironmentalMedicine,AcademyofMilitaryMedicalSciences,Tianjin300050,China;2.SchoolofEnvironmentalScienceandEngineering,TianjinUniversity,Tianjin300072,China;3.TheKeyLaboratoryofHollowFiberMembraneMaterialsandMembraneProcessofMinistryofEducation,TianjinPolytechnicUniversity,Tianjin300160,China)Abstract:Anaerobicgranularsludgemembranebioreactor(GMBR)hadbeenstablyoperatedfor71days,anditshowedgoodorganicsremovalandsimultaneousnitrificationanddenitrification(SND)performances.TOC,ammoniumandtotalnitrogenremovalefficienciesofGMBRremained84.7%～91.9%,85.4%～99.7%and41.7%～78.4%respectivelyasinfluentTOCwere56.8～132.6mgLandammoniumnitrogenwere28.1～38.4mgL.Moreover,furtherbatchtestsofdifferentsizesludgerevealedthatfloclikesludgenearlyhadnotSNDability,theSNDperformancesofGMBRwasmostlycomefromgranularsludge,anddenitrificationrateandtotalnitrogenremovalefficienciesunderaerobicconditionincreasedwithsludgesizeincreased.Analyzingthemorphologyandsectioncharacteristicsofgranularsludgeunderscanelectronmicroscope,theSNDprocesswasalsodescribed.Keywords:aerobicgranularsludge;membranebioreactor;simultaneousnitrificationanddenitrification(SND);sizedistribution (membranebioreator,MBR)、[1,2],、MBR[3,4].,[5].,,、.,[6,7];,、.,MBR(granularsludgemembranebioreactor,GMBR),GMBR、,.1 1.1 1,7.6L,U(PVDF),0.22μm,18cm,0.3m2.,,,.,,8min2min28320073 ENVIRONMENTALSCIENCEVol.28,No.3Mar.,2007DOI:10.13227/j.hjkx.2007.03.015.1～16d5.4L(m2·h),6.0L(m2·h),HRT5.8h5.3h.15d,SRT35～45d.71d.1 MBRFig.1 SchematicdiagramofMBRsystem 2 GMBRFig.2 OrganicsremovalperformancesofGMBR1.2 ,(mgL):150～400,NH4Cl-N25～40,KH2PO4-P2～8,MgSO4·7H2O50,CaCl220,KCl20,MnCl20.1,FeSO4·7H2O0.1,CuSO4·5H2O0.1,ZnSO40.1.[8],,0.8～1.5mm,、.1.3 TOC(ShimadzuTOC-VCPH).[9],、(HannaC200),[9].MLSSSVI[9],(HannaHI-9145).(XS-18)(PhlilpsXL30).2 2.1 GMBRGMBR71d,、、2～4.2,TOC56.8～132.6mgL,TOC6.83～17.31mgL,84.7%～91.9%,TOC11.8～63.3mgL.GMBR,,28.1～38.4mgL,MBR5d,36.0mgL,85.4%～99.7%;,,429.6～39.6mgL,41.7%～78.4%.HRT5.8h5.3hGMBR.,2～4,GMBR,.,,,95%.TOC,[10],,,,5293: 3 GMBRFig.3 AmmoniumnitrogenremovalperformancesofGMBR 4 GMBRFig.4 TotalnitrogenremovalperformancesofGMBR ,,.2.2 GMBR,.,GMBR,,,.,4:0.18mm;0.18～0.45mm;0.45～0.9mm;0.9mm.[11],,GMBR0.18mm,0.18mm.GMBR,300min,2.0～3.0mgL.,51.5,,TOC90%.30～60min,120minTOC.,0.18mm、0.18～0.45mm、0.45～0.9mm、0.9mm85.17%、95.11%、96.98%96.24%,95%,.(NH+4-N)16.03、6.576、6.8386.151mg(L·h).,GMBR.,,0.5mgL.,,.(0.18mm),3.23%.530 28.0.18～0.45mm、0.45～0.9mm0.9mm21.06%、34.75%、47.76%,SND19.08%、31.85%、49.27%.,,,;,,,.5 Fig.5 SimultaneousnitrificationanddenitrificationofdifferentsizesludgeinGMBR 1 Table1 SNDcharacteristicsofdifferentsizesludgeinGMBRmm0.180.18～0.450.45～0.90.9NH+4-NNH+4-NNH+4-NNH+4-N(NH+4-N)mg·(L·h)-16.0306.5766.8386.151(NO-x-N)mg·(L·h)-10.2411.5482.6163.120%85.1795.1196.9896.24%3.2321.0634.7547.76SND1)%≈019.0831.8549.271)SND=(-NO-x-N)2.3 ,GMBR,,.,;,.,,.GMBR,.6GMBR5313:.6a,,,;6b,,,,、,.6c,,,,;6d,;6e,.,,.6 GMBRFig.6 MorphologyandsectioncharacteristicsofgranularsludgeinGMBR 3 (1)(GMBR)71d,、、.TOC56.8～132.6mgL,TOC6.83～17.31mgL,84.7%～91.9%;28.1～38.4mgL,MBR5d,6.0mgL,85.4%～99.7%;,,41.7%～78.4%.(2),TOC90%,30～60min.,0.18mm、0.18～0.45mm、0.45～0.9mm0.9mm85.17%、95.11%、96.98%96.24%,95%,.,3.23%,.0.18～0.45mm、0.45～0.9mm0.9mm21.06%、34.75%47.76%.(3),,532 28,.:[1]YangW,CicekN,IlgJ.State-of-the-artofmembranebioreactors:WorldwideresearchandcommercialapplicationsinNorthAmerica[J].J.Membr.Sci.,2006,270(1-2):201～211.[2].のと[J].と,1999,41(4):7～10.[3]HanSS,BaeTH,JangGG,etal.Influenceofsludgeretentiontimeonmembranefoulingandbioactivitiesinmembranebioreactorsystem[J].ProcessBiochemistry,2005,40(7):2393～2400.[4]JunBH,MiyanagaK,TanjiY,etal.Removalofnitrogenousandcarbonaceoussubstancesbyaporouscarrier-membranehybridprocessforwastewatertreatment[J].J.Biochem.Eng.,2003,14(1):37～44.[5]deBruinLMM,deKreukMK,vanderRoestHFR,etal. Aerobicgranularsludgetechnology:Analternativetoactivatedsludge?[J].Wat.Sci.Technol.,2004,49(1112),1～7.[6]BeunJJ,HeijnenJJ,vanLoosdrechtMCM.N-removalinagranularsludgesequencingbatchairliftreactor[J].Biotechnol.Bioeng.,2001,75(1):82～92.[7]deKreukMK,HeijnenJJ,vanLoosdrechtMCM.SimultaneousCOD,nitrogenandphosphateremovalbyaerobicgranularsludge[J].Biotechnol.Bioeng.,2005,90(6):761～769.[8],,,.[J].,2006,27(3):473～477.[9].[M].().:,1989.[10],,,.[J].,2006,26(4):436～440.[11],,.[J].,2003,23(12):8～11.,《》、《》、《》《JournalofEnvironmentalSciences》..200651,,():1),(、).2),.,,().、.,.《》《》《》《JournalofEnvironmentalSciences》20051215333: