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FactorsaffectingaerobicsludgegranulationprocessLiuQianqian,LiXiaoming,YangQi,ZengGuangming,LiaoQing,LiaoDexiang(CollegeofEnvironmentalScienceandEngineering,HunanUniversity,Changsha410082,China),,,,,(,410082)[],。,,。,、COD、、、、、pH、、。[];;[]X703.1[]A[]1005-829X(2009)02-0022-04Abstract:Itisfoundthataerobicsludgegranulationprocessistheself-immobilizedsludgeandisaspecialcaseofbiofilm.Comparedwiththetraditionaltreatmentofwastewater,aerobicgranularsludgehasbettercapability,suchasbettersettlingability,higherbiomassretentionandstrongabilitytowithstandstrongimpactandloading.Summarizationismadeonthekeyfactorsaffectingtheaerobicgranulationprocess,includingsubstratecomposition,organicloadingrate,hydrodynamicshearforce,dissolvedoxygen,selectivepressure,temperature,pH,aerobicstarvation,andpresenceofmetalionsintheinfluentwater.Keywords:aerobicgranulesludge;cultivation;influentialfactors,,,、、〔1〕。。,(UASB)〔2〕,。,,、、〔3〕。,K.Mishima1991,,,。11.1、、。2070,Jeri(BFB),BFB,UASB、〔4〕。,(SBR),。(H/D),,〔5〕。,。1.2,3,、。〔6〕。29220092IndustrialWaterTreatmentVol.29No.2Feb.,2009[](50478054);(2004DFA06200)22,。〔7〕。,。,,,。T.H.Erguder,、,,,,〔8〕。1.3,,、、、,,,,,;,〔9〕;〔10〕,。1.4,COD2.5~15kg/(m3·d)〔11〕。,,COD3~9kg/(m3·d),1.6mm1.9mm〔12〕,COD,YumingZhengCOD6kg/(m3·d),,,16mm,,SBR〔13〕。,,。,。,,COD0.6kg/(m3·d)〔14〕。1.5。,。,。(EPS),,PN/PS,PNEPS,PSEPS,,,;,,,,〔15〕。(SOUR),,YuLiu,SOUR,,〔16〕。J.H.TaySBR(0.008m/s),(0.025m/s)〔9〕,,,,。1.6,SBR,,,,,。EPS〔17〕。,,,,,。1.7,,,(HRT)、EPS〔9〕。,:2009-02,29(2)23,,。YuLiu:SBR6~12h,〔3〕。1.8。,,〔18〕。,、SRT、,,。,,SBR,COD;,,,COD,,,〔19〕。Z.H.Li,,〔20〕。1.9SBR,,SBR:(1),;(2),,。“”,,,“”,,〔21〕,。1.10Ca2+Fe2+,HelongJiangCa2+,Ca2+,100mg/LCa2+,32d16d,,。,,Ca2+,,。Ca2+,EPS,〔22〕。1.11ShufangYang,,,,23.5mg/L,,>10mg/L,,,EPS,〔23-24〕。。1.0kg/(m3·d)2.5kg/(m3·d),2.0kg/(m3·d),〔25〕,。1.12、pH,(DO),。:DO(<1mg/L),DO(>2mg/L)〔26〕,DO,,。,pH7.0,pH,,20℃,M.K.deKreuk,8℃,,20℃,,15、8℃,〔27〕。。2,,,,,,,:(1),。(2)pH2009-02,29(2)24[](1983—),2006,。:13548619689,E-mail:kate0909-@163.com。[]2008-05-16,:2009-02,29(2),pH。(3)。D.P.Cassidy。,。(4),。[][1]SuKuizu,YuHanqing.Formationandcharacterizationofaerobicgranulesinasequencingbatchreactortreatingsoybean-processingwastewater[J].EnvironmentalScience&Technology,2005,39(8):2818-2827.[2]LettingaG,vanVelsenAFM,HobmaSW,etal.Useoftheup-flowsludgeblanket(USB)reactorconceptforbiologicalwastewa-tertreatmentespeciallyforanaerobictreatment[J].BiotechnologyandBioengineering,1980,22(4):699-734.[3]LiuYu,TayJH.Stateoftheartofbiogranulationtechnologyforwastewatertreatment[J].BiotechnologyAdvances,2004,22(7):533-563.[4],,,.[J].,2005,21(10):31-34.[5]BeunJJ,HendriksA,vanLoosdrechtMCM,etal.Aerobicgranu-lationinasequencingbatchreactor[J].WaterResearch,1999,33(10):2283-2290.[6],,,.SBR[J].,2001,22(2):78-81.[7],,,.SBR[J].,2003,24(4):94-98.[8]ErguderTH,DemirerGN.Investigationofgranulationofamix-tureofsuspendedanaerobicandaerobicculturesunderalternatinganaerobic/microaerobic/aerobicconditions[J].ProcessBiochemistry,2005,40(12):3732-3741.[9]TayJH,LiuQishan,LiuYu.Microscopicobservationofaerobicgranulationinsequentialaerobicsludgeblanketreactor[J].Appl.Microbiol.,2001,91(1):168-175.[10]TayJH,YangShufang,LiuYu.Hydraulicselectionpressure-in-ducednitrifyinggranulationinsequencingbatchreactors[J].Appl.Microbiol.Biotechnol.,2002,59(2/3):332-337.[11]MoyBYP,TayJH,TohSK,etal.Highorganicloadinginflu-encesthephysicalcharacteristicsofaerobicsludgegranules[J].Lett.Appl.Microbiol.,2002,34(6):407-412.[12]LiuQishan,TayJH,LiuYu.Substrateconcentrationindepen-dentaerobicgranulationinsequentialaerobicsludgeblanketre-actor[J].Environ.Technol.,2003,24(10):1235-1243.[13]ZhengYuming,YuHanqing,LiuShuangjiang,etal.Formationandinstabilityofaerobicgranulesunderhighorganicloadingconditions[J].Chemosphere,2006,63(10):1791-1800.[14],.[J].,2005,35(2):129-134.[15]WangZhiping,LiuLili,YaoJie,etal.Effectsofextracellularpolymericsubstancesonaerobicgranulationinsequencingbatchreactors[J].Chemosphere,2006,63(10):1728-1735.[16]LiuYu,TayJH.Theessentialroleofhydrodynamicshearforceintheformationofbiofilmandgranularsludge[J].WaterRe-search,2002,36(7):1653-1665.[17]QinLei,TayJH,LiuYu.Selectionpressureisadrivingforceofaerobicgranulationinsequencingbatchreactors[J].ProcessBiochem.2004,39(5):579-584.[18].[M].:,1997:1028.[19],,.[J].,2003,24(4):100-104.[20]LiZH,KubaT,KusudaT.Selectiveforceandmaturephaseaf-fectthestabilityofaerobicgranules:Anexperimentalstudybyapplyingdifferentremovalmethodsofsludge[J].EnzymeandMi-crobialTechnology,2006,39(5):976-981.[21]BossierP,VerstraeteW.Triggersformicrobialaggregationinac-tivatedsludge[J].Appl.Environ.Microbiol.,1996,45(1/2):1-6.[22]JiangHelong,TayJH,LiuYu,etal.Ca2+augmentationforen-hancementofaerobicallygrownmicrobialgranulesinsludgeblanketreactors[J].Biotechnol.Lett.,2003,25(2):95-99.[23]YangShufang,LiuQishan,TayJH,etal.Growthkineticsofaerobicgranulesdevelopedinsequencingbatchreactors[J].Lett.Appl.Microbiol.,2004,38(2):106-112.[24]YangShufang,TayJH,LiuYu.Inhibitionoffreeammoniatothefor-mationofaerobicgranules[J].Biochem.Eng.,2004,17(1):41-48.[25]JiangHelong,TayJH,TayST.Changesinstructure,activityandmetabolismofa
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