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33220004JounralofHarbinUniversityofC.E.&AhrciteetuerVol.33Ap.rNo.20020:10066708(2000)02003505pH’,’,2,’,`(l.,15009;02.,0008):SBR:,。pH(4.06~5.0),svi、pH(6.58.0),。pH6.0,svi,。pH(5.0)、pH,svi、pH。。pH6.0。:pH;;;:X703:AAetivatedsludgebulkingduetolowpHvalue&organieloadinganditsresumeWANGShu·ng,,DNIGFeng,,LUHong·deZ,YUMin,,OUYANGHong,(1.SehoolofMunieipal&EnviornmentalEnigneering,HarbinUniveityofCivilEngineeirng&Arehiteeture,Hahtin150090,China;2.HeiloniangArohitecturerPofessionalTeehnoloInstitute,Harbin150008,China)Abstract:hTeexperimentalstudyontreatmentofbeerandehemiealwastewaterbySBRindieatedthataetivatedslugebulkingeouldoeeurduetoiflamentousmieorbeoverporliferationunderloworganieloadingandeouldbeeontorlled&resumedbyimporvingogranieloading.SVIofsludgebulkinginbeerwastewaterunderlowpH(4.065.0)&variationofrmhightoloworganieloadinginereasedslowerthanthatofnormalpH(6.58.0)andorganieloading.Granularsludgewhiehtwinnedbyifla-mentsappeared,SVI15ineerasedwhennularsludgeexistedanddorppedinthestagethatitdisp-peared.SVIofsludgeinehemiealwastewaterinereasedslowerthanthatofloworganieloading&nomralpHvaluebeeauseofshortshoekinlowpHtreatmentperiodonly.Iteanbeeontorlled&er-sumedunderhighloadingandpH=6.0easily·Keywcrds:pHvalue:organieloading:aetivatedsludgebulking:garnularsludgeO:pH〔”。`,”。,COD、pH,,。pH。,:19990901:(59778024):(1953),,.5433、、,`“·7’,’8,9’,。1sBR(SequeneingBatehReaetor,,SBR),1。SBR,38L,,sBR,。、、、、,、。,BODS::NP100:5:1]]]……)))CCCCCCCCCCCCC666666666〔〕OOO1.;2.;3.;4.;5.ORP;6.;7.;8,;9.;10.;11.;12.;13.1SBR。:(Svi)、、(COD)、(MLSS)(Do)。22.1pH(6.58.0),0SX-t=·S。X·V:(kgCOD/kgMSLS·d);Q(L/d),BSR,(SL,33)L;V(L),38;Lt(d);S。(COD)(mg/)L;X(mg/)L,MSLS,MvLSS/MS0.9。CODS。,。pH(6.58.0),,1。1pH(6.58.0)14589121316172021242528293233/h122.533.544.555.5(atQr0.6m,/h),CoDsoomg/L,MLSS1900mg/L,2000mg/L。SVI2,SVI3。,,Svi。12,,12.h5,3.810.skgcoD/kgMSLs·d,Svi,80mL/g。,4.h5,2.k3gCoD/kgMLSS·d,,Svi,5200mL/g。2:pH,,,,,。,,,,,〔’。,,,;,,,,Svi,。00000ùf052à2211.2.0000ù`.1·à\A50005000500050ō、j,4,.1,lǎ-·à\A01471013161922252831/2Svi2.2,。MSLS10.skgCOD/kgMsLs·d。MLSS。DO,Zmg/L。4,19,svi150mL/g,,。01234567891011/(kgCOD/kgM55·d)3Svih1,`,150omg/L,1600mg/L。10.5zl.7kgeoD/kgMLss·d1.2.ǎ.。\à/A,,Svi,11250mL/g10015omL/g;。,,,。2.3pH(5.0),35791113151719/4SvipHpH2。25.0,,~45~891213~1617~20212425~2829~32335253~8283~104105~112/h()()2.52.533.54.54.555.555.55.52,7pHDO5。5,pH=5.0,pH,pH,5.104.06。pH,5.385060min337,o,120minpH7.86。:,.à\00。ǎ-.·)/Aǎ.·à/、、。pH,,,,,pH,,,、,pH。pH(、),C、HZO、NO;。,pH,,pH。10ominDO,,。,DO2.0,loomin,。,,pH、pH,svi6。svi7。,,SVI,2.1。52Svi/minpHDO(7)pH;2.pH;3Do1.2.6pHSvl7280/01234567891011NS/(kgCODgMS·d)7pHSVIné000000000U0420ù`U42`,.1ùl1.270mg/L。82Svl212mg/L,15,,,,,。,20,SS。,、。,,BSR,,。pH,,,,(Funig)。,1%,2.1,Svi。,,。,(deflocculation)。pH。2.4pH、pH6.0,2.3,lh,aoir,MSLs1500mg/L,160omg/L,8,8,,Svi,55,Svi390mL/g。55,MSLS750mg/L,2:pH84,svi443mL/g,,Ms1400-1500mg/L,84Svi,04,svl147.ZmL/g。,pH、,2.1。,svi,pH(6.58.0),,;000000000060114j,`,ǎō\à/A526068768492100108/8pH=6.0svi,Svi,84,,,SVI。pH,。92,10svi142.6mL/g,104,svi88.40mL/g,,。31.,。。2.SBR,pH(5.0)、,、pH(6.58.0)svi。。pH,,,pH,Svi。3.pH、,pH=6.0,,Svi。Svi。pH6.0。:【l].【M].:,1992.[2]WESY0pipes.Bulking,DefloeeulationandpinpointlFoe[J].WpCF,1979,51(l):6270.[3]EeHEvERRIAE,sEA,FERYJ.study。rth。faetosraffeeting。etivated,lg。。ettlingi。domests。wastewaterteratmentplants[J].Wat.Sei.eTeh.,1992,25(45):273279.[4]SWITZENBAUMMS,PLANTR,W00DWORTHBK.Filamentousbkinginmassaehusetts:extentOftheporblemandeasestudies[J].Wat.Sei.Teeh.,1992,25(45):265271.【5]STROMF,JenkinsDavid.Identiifeationandsigniifeaneeofiflamentousmieoreauismsinaetivatedsludge[J].WpCF,1984,56(5):449459.16]COWANROBERTM,LOVENANCYG.Aetivatedsludandotheraeorbiesuspendedeultureprocesses[J].Wat.Environ.Res.,1995,67(4):433450.[7]KN00pS,KUNST5.Influeneeoftemperatureandsludgeloaidngonaetivatedsludgesetting,espeeiallyonMl-CROTHRXIPARVICELLA[J].Wat.Sei.eTeh.,1998,37(45):2735.15]MAMAIsD,ANDREADAKIsA.eause。f,andcontorlstartegiesfor,MleRoTHRixPARvleELLAbulking。ndfoaminginnutirentermovalaetivatedsludsystems【J].Wat.Sei.eTeh.,1998,37(45):917.[9]HOWARTHR,HEADIM,VNzRF.phylogentieassessmentofifveiflamentousbae*eriaisolatedfrombulkingaetivatedslud5fJ].Wat.S1.Teeh.,1998,37(45):303306.