PVA大孔载体固定化微生物SBBR脱氮魏云霞

6Immobilizedmicrobe[1]。、、、、、。。[2]。。《》2010-06-272011-03-25“”[e-mail]*[e-mail]。EnvironmentalScience&Technology34620116Vol.34No.6Jun.2011.PVASBBR[J].,2011,34(6):43-47.WeiYun-xiaLiBinLiYan-fengetal.RemovingammonianitrogenbyimmobilizedmicroorganisminSBR[J].EnvironmentalScience&Technology,2011,34(6):43-47.PVASBBR121*131.7300002.7300003.100871SBR。SBR5min2.5h1h30min.COD30~100mg/LCODNH4+-N4.5~24.2mg/LNH4+-N0.4~1.5mg/L90%。C/NNH4+-NCODTNC/NNH4+-NCODTNC/N。.X703Adoi10.3969/j.issn.1003-6504.2011.06.0101003-6504(2011)06-0043-05RemovingAmmoniaNitrogenbyImmobilizedMicroorganisminSBRWEIYun-xia1LIBin2LIYan-feng1*WANGYao-long1YEZheng-fang31.StateKeyLaboratoryofAppliedOrganicChemistrySchoolofResourceandEnvironmentSchoolofChemistryandChemicalEngineeringInstituteofBiochemicalEngineeringandEnvironmentalTechnologyLanzhouUniversityLanzhou730000China2.ResearchInstituteofLanzhouPetrochemicalCompanyLanzhou730000China3.DepartmentofEnvironmentalEngineeringSchoolofEnvironmentalScienceandTechnologyBeijingUniversityBeijing100871ChinaAbstractBiodenitrificationbyimmobilizedmicroorganismusingmacroporouscarrierpreparedbytheresearchgroupwasstudied.AfteroneSBRperiodwithinfluentof5minaeration2.5hprecipitation1handdischarge30minCODoftheeffluentcansatisfyGradeIofthedrinkingwaterstandardwheninfluentCODwas30~100mg/LwhileinfluentNH4+-Nrangedfrom4.5~24.2mg/LtheeffluentNH4+-Nkeptattherangeof0.4~1.5mg/Lwithremovalrateover90%.ResultsindicatedthatremovalrateofNH4+-NandCODwouldnotbeaffectedwiththedecreaseofC/NwhileremovalrateofTNwoulddecreasewiththedecreaseofC/N.KeywordsmacroporouscarrierbiodenitrificationSNDSBR3425%40%[3]。。—NHCOO—。。、、[4][5-10]。。。.[11]。SBR、。NO3－-NN2。11.11.1.1[12]0.5cm×0.5cm×0.5cm5%HCl24h5%NaCl24h。1。1.1.2、、、、、、[13]。1.1.3B350Bio-System14、、0.6~0.8g/cm330~50/g。1.1.41gB35030mg/L25℃3d4℃。SBR30cm12cm3.4L1。B35090%NaHCO3pH7.830±1℃。B350。。4℃。1.1.5SBRSBR5min2.5h1h30min。3。1.2NicoletAvatar360FT-IRJSM-6380LvSEMCODHANNANH4+-NNO3--NNO2--N。TN。22.1FT-IR1Table1Thepropertiesofpolyurethanefoam/mm/%/g·cm－3/m2·g－10.12960.024120~1502Table2ThepropertiesofwasterwaterpHTN/mg·L－1COD/mg·L－1NH4+-N/mg·L－16.5~7.81530~1004.5~24.24462FT-IR。3299cm-12971cm-12868cm-1C-H1724cm-1-C=1640cm-1、1524cm-1、1449cm-1N-H。FT-IR、。[1]。2.2SEM3SEM3a。[9,14-15]。3bc。3dB350。PVASBBR2.330~100mg/L。5min2.5h1h30min。NH4+-N。NH4+-N90%。2.4COD4COD。4COD30~100mg/LCOD1.2~3.8mg/L。COD95%。5COD30mg/LCOD。5COD。COD。COD[16]。2.5HRTCODHRT。HRT。CODHRTHRT1~6hCOD6。COD4534COD1mg/LHRTCODCOD1mg/LHRT。2.6NH4+-N7NH4+-N。7NH4+-N4.5～24.2mg/LNH4+-N0.4~1.5mg/L。7NH4+-N90%。820.6mg/L8。2.7NH4+-NNO3－-NNO2－-NTN9NH4+-NNO3－-NTN。9NH4+-N。NH4+-NNO3－-NNO2－-NNO3－-NNO2－-N。NO3－-NNO2－-N[18]。TNTN。2.8DO。NO3-。100~2.5hCODDO。COD。2.9C/NC/NC/N。11C/N11C/NCODNH4+-NTNC/N。C/NNO3－-NNO3－-N466NH4+-NNO3－-NN2。。COD。C/N。C/N3.5NH4+-NTNC/N3.5。SBRSBBR。COD30～100mg/LNH4+-N4.5～24.2mg/LSBRCODNH4+-N。3.5。[][1].[M].2002.WangJian-long.NewBiologicalDenitrificationTheoryandTechnology[M].BeijingSciencePress2002.inChinese[2].[J].20067799-104.XuXue-qinLiXiao-mingYangQietal.Immobilizedmi－croorganismtechnologyanditsapplicationinheavymetalwastewatertreatment[J].TechniquesandEquipmentforEn－vironmentalPollutionControl20067799-104.inChinese[3].[M].2002.ShenYao-liangHuangYongZhaoDanetal.ImmobilizedMicroorganismSewageTreatmentTechnology[M].BeijingChemicalIndustryPress2002.inChinese[4]NkakaJima-KambeTShigeno-AkutsuY.Microbialdegra－dationofpolyurethanepolyesterpolyurethanesandpolyetherpolyurethanes[J].ApplMicrobiolBiotechnol199951134-140.[5].:ZL02141723.7.2002[P].2004－03－03.LiYan-fengZhouLin-chengMaPeng-chengetal.ActivatedCarbonCompositeHydrophilicPolyurethaneFoamImmobilizedMicroorganismsChinaZL02141723.7[P].2004-03-03.inChinese[6]TsekovaKLlievaS.Copperremovalfromaqueoussolu－tionusingAspergillusnigermyceliainfreeandpolyurethaneboundform[J].AppliedMicrobiologyandBiotechnology2001555636-637.[7].[J].2001(9)83-86.FanYiDingFu-xinYangHai-guangetal.Applicationofair-liftloopcolumnfillingwithporouscarrierinwastew－atertreatment[J].EnvironmentalScience2001(9)83-86.inChinese[8]GardinHLebeaulTJMPaussA.Degradationof246-trichlorophenolnitiesinanupflowreactorunderair-limitedconditions[J].ApplMicrobiolBiotechnol2001563524-530.[9]ManoharSKimCKKaregoudarTB.Enhanceddegra－dationofnaphthalenebyimmobilizationofPseudomonassp.StrainNGKIinpolyurethanefoam[J].ApplMicrobiolBiotech2001553311-316.[10]OhYSMaengJKimSJ.Useofmicroorganism-immo－bilizedpolyurethanefoamstoadsorbanddegradeoilonwatersurface[J].ApplMicrobiolBiotech200054418-423.[11]ZhouLin-chengBaiXueLiYan-feng.Immobilizationofmicro-organismonmacroporouspolyurethanecarriers[J].EnvironmentalEngineeringScience2008l251235-1241.[12].,ZL200310121064.92003[P].LiYan-fengMaPeng-chengZhouLin－cheng.PreparationandApplicationofNanosiliconOxidesModifiedPolyure-thaneFoamBodyCompound,China:A200310121064.9.2003[P].inChinese[13].[M].200098-102.LiuYuZhaoQing-liangZhenXing-can.BiologicalWastewaterTreatmentTechnology[M].BeijingChinaArchi－tecture&BuildingPress200098-102.inChinese58PVASBBR473447[14].ABFB[J].200222132-35.YeZheng-fangL