2种好氧颗粒污泥反应器工艺处理城市污水任祎博

:,,1986,,。2种好氧颗粒污泥反应器工艺处理城市污水任祎博1　刘绍根1,2　丁　杰1　成雄剑1　孙娟娟1　祁伟乐1(1.,　230022;2.,　230026)　　　,,(SBR)(SBAR)。2,2。SBR(SVI)、(MLVSS/MLSS)、、CODNH+4-N37～61mL/g、0.71、35.47m/h、70%71%;SBARSVI、MLVSS/MLSS、、CODNH+4-N32～53mL/g、0.79、41.47m/h、73%74%。SBRSBAR《》(GB18918—2002)B,。　　　　　　ThetreatmentofmunicipalwastewaterinaerobicgranularsludgeSBRandSBAR　RENYibo1,LIUShaogen1,2,DINGJie1,CHENGXiongjian1,SUNJuanjuan1,QIWeile1.(1.SchoolofEnvironmentalandEnergyEngineering,An-huiUniversityofArchitecture,HefeiAnhui230022;2.SchoolofChemistryandMaterialScience,UniversityofScienceandTechnologyofChina,HefeiAnhui230026)Abstract:　Withlow-concentrationmunicipalwastewaterasrawwaterandflocculentactivatedsludgeasseedingsludge,theaerobicgranularsludgewascultivatedseparatelyinsequencingbatchreactor(SBR)andsequencingbatchairliftreactor(SBAR).Thesludgecharacteristicsandtheremovalefficiencyoftworeactorstopollutantduringsludgegranulationprocesswereresearched,resultsshowedthatstableaerobicgranularcanbeobtainedsuccessfullyinSBRandSBAR.TheaerobicgranularproducedinSBRhadasludgevolumetricindex(SVI)of37-61mL/g,settlingvelocityof35.47m/h,andtheremovalrateofCODandNH+4-Nwere70%and71%,whileinSBARreactorithadaSVIof32-53mL/g,settlingvelocityof41.47m/h,andtheremovalrateofCODandNH+4-Nwere73%and74%.TheeffluentqualitybothfromSBRandSBARhadbeenupto1BstandardofMunicipalWastewaterTreatmentPlantPollutantDischargedStandard(GB18918—2002),thatwastosay,thetechnologiesofaerobicgranularsludgecouldbeappliedtopracticalprojects.Keywords:　aerobicgranularsludge;SBR;SBAR;municipalwastewater　　,、、、,[1,2]。,COD,200mg/L。,[3,4]。,,,。　　,,(SBR)(SBAR),2。1　1.1　中试试验装置,、()、(、)、PLC,、。　　,。·78·　　33　7　20117DOI:10.15985/j.cnki.1001-3865.2011.07.024SBRSBAR,----,。SBRSBAR,8.0m,2.8m,43m3。SBAR,6.0m,1.9m,。,4DN150,4DN150,1.1m;3.5、3.0、2.5、2.0m1。1。1　SBRSBARFig.1　SchematicdiagramofSBARandSBRinstallation1—;2—;3—;4—1.2　试验用水,1。1　Table1　CompositionofthewastewaterSS/(mg·L-1)100～200COD/(mg·L-1)90～240NH+4-N/(mg·L-1)10～40pH6.5～7.51.3　接种污泥,,100000m3/d。8.0～9.0g/L,(MLSS)4300mg/L,(SVI)120mL/g。,,,。1.4　运行方式PLC,,,,,。2。1.5　测试项目及方法COD、NH+4-N、SVI、MLSS、(MLVSS)[5]。OlympusCX31Olympus。2　2.1　好氧颗粒污泥的形态及性质变化2.1.1　SBRSBAR22。2,,,。,2。80,SBAR,SBR90。[6,7],,。,,。170,2,1.5mm。,2,,,。,,,,。2.1.2　(SEM)3SBRSBARSEM。3,SBARSBR,,,。,,2　Table2　Operationalparameterofreactorduringdifferentperiods/d/%/m3Ⅰ1～406.0h,15min,235～285min,40～90min,20min5020Ⅱ41～1004.8h,18min,210～222min,40～26min,20min6024Ⅲ100～2204.0h,21min,173min,26min,20min7028·79·　22　SBRSBARFig.2　ConfigurationofgranularsludgeinSBRandSBAR,,[8]。,、、,。YANG[9]pH,,pH,。3　SEMFig.3　SEMphotographofaerobicgranularsludge2.1.3　SBRSBARMLSS、(MLVSS/MLSS)SVI46。,2MLSS4300mg/L,SVI120mL/g,MLVSS/MLSS0.50。,90min26min,50%70%,SBRSBARMLVSS/MLSS0.70(0.71、0.79),4　SBRMLSS、MLVSS/MLSSFig.4　MLSSandMLVSS/MLSSvariationsofaerobicgranulesludgeinSBR。SBAR,SVI32～53mL/g,SBR,SVI37～61mL/g,SBARSBR。160,,2MLSS2700mg/L。5　SBARMLSS、MLVSS/MLSSFig.5　MLSSandMLVSS/MLSSvariationsofaerobicgranulesludgeinSBAR6　SBRandSBARSVIFig.6　SVIvariationsofaerobicgranulesludgeinSBRandSBAR2.1.4　。(0.8～1.0mm),SBR35.47m/h,SBAR41.47m/h。30～70m/h[10,11]。(UASB),(8～10m/h)3。,SBAR·80·　　33　7　20117。2.2　SBR与SBAR工艺对生活污水COD和NH+4-N的去除2.2.1　2CODSBRSBARCOD7、8。,2COD。SBR、SBARCOD70%、73%,2COD50mg/L(46.4、42.4mg/L),《》(GB18918—2002)B。。7　SBRCODFig.7　CODremovalefficiencyinSBR8　SBARCODFig.8　CODremovalefficiencyinSBAR　　6,2,1.5;160d,,MLSS0.65,0.10kg/(kg·d)0.23kg/(kg·d),2.3;250min170min。SBRSBARCOD,COD50mg/L。:,,COD,[12]。,。2.2.2　2NH+4-NSBRSBARNH+4-N910。,NH+4-N。SBR、SBARNH+4-N71%、74%,NH+4-N8mg/L(6.27、6.03mg/L),GB18918—2002B。180d,,10℃,SBRSBARNH+4-N,,10mg/L,GB18918—2002B。,8℃,,,[13]。9　SBRNH+4-NFig.9　NH+4-NremovalefficiencyinSBR10　SBARNH+4-NFig.10　NH+4-NremovalefficiencyinSBR3　　(1)SBRSBAR,,,,80dSBAR;90,SBR。170d、、,,·81·　2。(2)SBRSBARCODNH+4-N,COD、NH+4-N90～240、10～40mg/L,SBRCOD、NH+4-N46.4、6.27mg/L,70%71%;SBARCOD、NH+4-N42.4、6.03mg/L,73%74%。SBRSBARGB18918—2002B,160m3/d,,,。(3)SBARSBR,SBARSBR、MLSS、SVI,SBAR。:[1]　LIUYongqiang,TAYJH.Characteristicsandstabilityofaer-obicgranulescultivatedwithdifferentstarvationtime[J].Ap-pliedMicrobiologyBiotechnology,2007,75(1):205-210.[2]　,,.[J].,2008,30(5):78-82.[3]　,,,.[J].,2006,32(8):73-77.[4]　LIUYongqiang,MOYBYP,TAYJH.CODremovalandni-trificationoflow-strengthdomesticwastewaterinaerobicgranularsludgesequencingbatchreactors[J].EnzymeMicrob.Technol.,2007,42(1):23-28.[5]　《》.[M].4.:,2002.[6]　LIULili,WANGZhiping,YAOJie,etal.Investigationontheformationandkineticsofglucose-fedaerobicgranularsludge[J].EnzymeMicrob.Technol.,2005,36(4):712-716.[7]　,,,.[J].,2009,31(11):65-68.[8]　,,,.[J].,2009,32(5):5-9.[9]　YANGShufang,LIXiaoyan,YUHanqing.FormationandcharacterisationoffungalandbacterialgranulesunderdifferentfeedingalkalinityandpHconditions[J].ProcessBiochemistry,2008,43(1):8-14.[10]　YANGShufang,LIUQishan,TAYJH,etal.Growthkinet-icsofaerobicgranulesdevelopedinsequencingbatchreactors[J].Lett.Appl.Microbio.,2004,38(2):106-113.[11]　,,,.[J].,2006,22(1):80-83.[12]　WANGZhiping,LIULili,YAOJie,eta1.Effectsofextracel-lularpolymericsubstancesonaerobicgranulationinsequen-cingbatchreactors[J].Chemosphere,2006,63(