2种反应器中好氧颗粒污泥培养的比较研究黄国富

:,,1980,,#2#(,621010),,(SBAR)(SBR)SBARSBR,,COD93%,NH+4-N98%SBAR(SVI)(SOUR)TNTP0.45~2.00mm19.97mL/g47.68g/(kgh)82%65%;SBRSVISOURTNTP0.18~1.00mm29.12mL/g43.21g/(kgh)58%50%,SBARStudyoncultivationofaerobicgranularsludgeinSBARandSBRHuangGuofu,WangChengduan.(SchoolofEnvi-ronmentandResources,SouthwestUniversityofScienceandTechnology,MianyangSichuan621010)Abstract:Twotypesofmatureaerobicgranularsludgewerecultivatedinsequencingbatchairliftreactor(SBAR)andsequencingbatchreactor(SBR),withconventionalflocculentactivatedsludgeasseedingsludgeinsyn-theticdomesticwastewater.Comparisonsofphysicochemicalandbiologicalcharacteristicsofaerobicgranularsludgewerepresented.Bothofthegranuleshadstablemorphologiccharacteristicwithbacterialrodsandcoccidadheredonthesurfaceofthesludge.TheypresentedperfectefficiencyofCODandNH+4-Nremoval.Thesludgegranulespro-ducedinSBRreactorhadaSVIof29.12mL/g,SOURof43.21gO2/(kgMLSSh)andmaindiameterdistributionranged0.18-1.00mm,theremovalrateofTNandTPwere58%and50%,respectively.Thesludgegranulespro-ducedinSBARreactorhadaSVIof19.97mL/g,SOURof47.68gO2/(kgMLSSh)andmaindiameterdistribu-tionranged0.45-2.00mm,theremovalrateofTNandTPwere82%and65%.Incomparison,SBARwasmoreconduciveforthecultivationofaerobicgranularsludgeandrunning.Keywords:aerobicgranularsludge;SBAR;SBR;cultivation(),,[1-5],,[[6-8],(SBAR)(SBR)[9-11],2,SBARSBR,,11.11,SBR,8cm,100cm,4.52L;SBAR,()8cm,100cm,()0.5cm,5cm,70cm,3.88L2,1SBARSBRFig.1SchematicdiagramofSBARandSBRinstallation1;2;3;4;5;6;7;8;94831420094,,SBARSBR140360L/h,22.0cm/s,SBARSBRDO8.0~10.0mg/L,40%,,,2,360min,5min,330~345min,5~20min,5min,220~25d,(223)1.2,111)Table1Thecompositionofsyntheticdomesticwastewater/(mgL-1)/(mgL-1)300~500(EDTA)20300~500ZnSO47H2O0.43NH4Cl110~280CuSO45H2O0.25KH2PO425~40MnCl24H2O0.99NaHCO3110~280NaMoO42H2O0.228CaCl2110H3BO30.05MgSO47H2O25NiCl20.199FeSO47H2O5NaSeO35H2O0.21:1)pHNaHCO37.0~7.5;NaHCO3NH4Cl1~21.3CODMLSS(SVI)NH+4-NTNTP[12];c-770Olympus;LeicaCambridgeLTDS440;LAGU-NA[13];DOHANNAHI96400DO;(SOUR,MO2/(MMLSSh)),OCHOA[14];[15];pHHANNAHI223pH1.4()40,SS9652mg/L,(VSS)4876mg/L,VSS/SS0.51,(SV30)94%,SVI100.5mL/g5dSBARSBR,MLSS2000mg/L,,20min,15108min,20d5minCODNH+4-NTP400306mg/L8008010mg/L,22.1MLSSSVI2,,2MLSS2000mg/L,20min5min,,MLSS,SBARSBRMLSS799995mg/L,,SBARSBRSVI40.0548.24mL/g35d,SBARSBR,95,MLSS70109100mg/L,,2SVI19.9729.12mL/g,,SBAR,,,,;SBR,SBRMLSSSBAR,SBRSVISBAR2SBARSBRMLSSSVIFig.2MLSSandSVIvariationsofaerobicgranulesludgeinSBARandSBR2.2[16]3,492SBARSBR0.01~0.04mm45d,,SBAR49%0.18~1.00mm,SBR40%0.18~1.00mm100d,SBAR62%0.45~2.00mm,SBR79%0.18~1.00mm,(0.18mm),SBAR45.62m/h,SBR39.91m/h,3~5m/h,SBARSBR,SBARSBR,SBAR,,SBR3SBARSBRFig.3SizedistributionofaerobicgranulesludgeinSBARandSBR2.3SOURSOUR,,,[17]2,SBARSBRSOUR,SBARSBR,SOURSBARSBR,2SOURTable2Specificoxygenutilizationratesofthedifferentsludgesg/(kgh)SOURSBARSOURSBRSOUR25.3247.6843.212.44,SBARSBR,,,DO,SBAR,,,SBAR,,SBAR,SBR,[18],4Fig.4SEMphotographofaerobicgranularsludge2.52.5.1COD5,2COD,COD,25031420094,SBRSBARSBRSBAR,40d,,,,SBRSBAR,COD80mg/L,93%5SBARSBRCODFig.5CODremovalefficiencyinSBARandSBR2.5.2NH+4-N6,SBARSBRNH+4-N,15dNH+4-N95%,,,NH+4-N100%,13,2NH+4-N,222,NH+4-N98%6SBARSBRNH+4-NFig.6NH+4-NremovalefficiencyinSBARandSBR2.5.3TN7,SBARSBRTN,,SBARSBR,SBAR,SBARSBR,SBARNO-3-NNO-2-NSBRNO-3-NNO-2-N,SBARTNSBR,100d,SBARTN82%,SBRTN58%,SBAR,SBARTNSBR7SBARSBRTNFig.7TNremovalefficiencyinSBARandSBR2.5.4TP8,,SBARTPSBR:SBARSBR,,,,;SBAR,DO,TP,SBARTP65%,SBR50%,,,,,,,TP8SBARSBRTPFig.8TPremovalefficiencyinSBARandSBR3(1)100d,SBARSBR,SBARMLSS7010mg/L,SVI19.97mL/g,0.45~2.00mm,45.62m/h,SOUR47.68g/(kgh);SBRMLSS9100mg/L,SVI29.12mL/g,0.18~1.00mm,39.91m/h,SOUR43.21g/(kgh)512(2),SBARSBR,SBRSBAR;SBAR,SBR,(3)2COD93%,NH+4-N98%,TNTP,SBARTNTP82%65%,SBRTNTP58%50%(4)SBARSBRSVISOURTNTP,SBARSBRSBAR:[1],,.[J].,2008,30(5):78-82.[2],,,.[J].,2003,4(7):70-73.[3]ADAVSS,LEEDJ,SHOWKY,etal.Aerobicgranularsludge:recentadvances[J].BiotechnologyAdvances,2008,26(5):411-423.[4]ARROJOB,MOSQUERACORRALA,GARRIDOJM,etal.Aerobicgranulationwithindustrialwastewaterinsequencingbatchreactors[J].WaterResearch,2004,38(14/15):3389-3399.[5]WANGFen,LUShan,WEIYanjie,etal.Characteristicsofaer-obicgranuleandnitrogenandphosphorusremovalinaSBR[J].JournalofHazardousMaterials,2008(9):1-5.[6]LIXiaoming,LIUQianqian,YANGQi,etal.EnhancedaerobicsludgegranulationinsequencingbatchreactorbyMg2+aug-mentation[J].BioresourceTechnology,2009,100(1):64-67.[7]NIBingjie,XIEWenming,LIUShaogen,etal.Granulationofactivatedsludgeinapilot-scalesequencingbatchreactorforthetreatmentoflow-strengthmunicipalwastewater[J].WaterRe-search,2009,43(3):751-761.[8]LIYong,LIUYu,XUHailou.IssludgeretentiontimeadecisivefactorforaerobicgranulationinSBR?[J].BioresourceTechnolo-gy,2008,99(16):7672-7677.[9]MORGENROTHE,SHERDENT,VANLOOSDRECHTMCM,etal.Aerobicgranularsludgeinasequencingbatchreactor[J].WaterResearch,1997,31(12):3191-3194.[10]McSWAINBS,IRVINERL,WILDERERPA.Theinfluenceofsettlingtimeontheformationofaerobicgranules[J].WaterSci.Technol.,2004,50(10):195-202.[11]WANGZhiwu,LIUYu,TAYJH.TheroleofSBRmixedliq-uorvolumeexchangeratioinaerobicgr