乙酸钠为碳源时进水COD和总磷对生物除磷的影响

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,214036,E2mail:[e-mail]):,,.:COD600mgL-1,COD/TP,,COD/TP50,,COD/TP50,;(COD600mgL-1),COD1000mgL-1;,,.:;;;:X70311:A:025023301(2002)0320420049::(1976),,,.:2001206203;:20012072063EffectoftheCODandTotalPhosphorusConcentrationonBiologicalPhosphorusRemovalSuppliedwithAcetateasaSoleCarbonSourceRuanWenquan,ZouHua,ChenJian(KeyLaboratoryofIndustrialBiotechnology,MinistryofEducation,SouthenYangtzeUniversity,Wuxi,214036,ChinaE2mail:[e-mail])Abstract:Theeffectoftheconcentrationofacetateandtotalphosphorusonbiologicalphosphorusremovalprocessinse2quencingbatchreactorfedwithsodiumacetate(assolecarbonsource)wasstudiedinthispaper.Thereasonoftheinef2ficiencyofphosphorusremovalbysludgefedwithhighconcentrationacetatesolutionwasanalyzed.TheresultsindicatedthatwhenCOD600mgL-1thephosphorusremovalincreasedwiththeincreaseofCOD/TP;andthisremovalin2creasedobviouslywhenCOD/TP50butnotwhenCOD/TP50.Thephosphorusremovaldescendedathighacetateconcentration(COD600mgL-1)andbrokedownwhenCOD1000mgL-1.Itisthetransmissionsofhighac2etateconcentrationfromtheanaerobicstagetotheaerobicstagethatledtotheproliferationofthefilamentousmicroor2ganismandtheexpansionofsludge,thenpolyPbacteriawaswashout,whichresultedinthedropofphosphorusre2moval.Keywords:biologicalphosphorusremoval;acetate;sludgeexpansion;washout,,.,[1],.COD/P,[2].Siebritz,COD.Chiesa.[3,4]..,.,(SBR),,.123320025ENVIRONMENTALSCIENCEVol.23,No.3May,2002©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(SBR)2L;715h,215h,4h,015h,015h.,.,.25,10d,MLSS3196gL-1.[5](12):COD500mgL-1;NH+32N40mgL-1;PO3-42P15mgL-1;pH710.1/mgL-1Table1ComponentsofthesyntheticwastewaterNaAc500CaCl21016NH4Cl1531KH2PO466016mLMgCl234182/gL-1Table2ComponentsofthetraceelementmixtureFeCl30190044KI0118H3BO30115MnCl24H2O0106CoCl27H2O0115Na2MoO42H2O0106CuSO45H2O0103ZnSO47H2O0112112(1),7000r/min20min,2.COD/TP,CODTP.(2),(),.113COD:5B21COD;TP:[6];MLSS:[6];SVI:SV30m.2211COD/TP1COD440mgL-1,NH+32N40mgL-1.1:COD/TP2050,,.COD/TP203213%COD/TP508512%,COD/TP50,COD/TP60,95%.COD/TP,,,,(1mgL-1),COD/TP.1Fig.1EffectofinfluentCOD/TPratioonphosphorusremoval2122CODFig.2EffectofinfluentCODonphosphorusremoval,1219mgL-1,COD.CODCOD2.0523©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(500mgL-1800mgL-1)COD.34,2(11mgL-1).COD500mgL-1(3),COD500mgL-150mgL-1,COD,35mgL-1.COD800mgL-1(4),COD,COD216mgL-1,,COD,COD55mgL-1,52mgL-1.3,COD500mgL-1,11mgL-13513mgL-1,3513mgL-1019mgL-1,9118%.COD800mgL-1(4),11mgL-139mgL-1,;4mgL-1,64%,.3COD,COD(COD300,500,800,1000mgL-14).CODCOD,COD.:COD,COD,COD.COD(),COD(),.COD().COD()(COD600mgL-1),,.3CODTPFig.3VariationofCODandTP4CODTPFig.4VariationofCODandTP3COD/mgL-1Table3CODatdifferentstage3005008001000415021629333355250213COD,:153©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(5).,,.,.[7],,PHA.,,PHA;5COD800mgL-1Fig.5Variationofphosphorusremovalbyadding800mgL-1influentCOD,,PHA.,,.().,,,(COD),.,,,,.SVI65mLg-115450mLg-1,..,COD(),,,.3(1),COD/TP50,,,COD/TP50,,.(2)(COD600mgL-1),(COD1000mgL-1),(COD).(3),,,,.:1..,1994,41(3):2528.2StallTR,ShewardJH.Effectofwastewatercompositionandcellresidencetimeonphosphorusremovalinactivatedsludge.J.Wat.Pollut.ControlFed.,1976,48(2):307322.3LotterLH.Theroleofbacterialphosphatemetabolisminen2hancedphosphorusremovalfromtheactivatedsludgepro2cess.Wat.Sci.Tech.,1985,17(1):127139.4Abu2GhararahZH,RandallCW.Theeffectoforganiccom2poundsonbiologicalphosphorusremoval.Wat.Sci.Tech.,1991,23(2):585596.5CheOkJeon,JongMoonPark.Enhancedbiologicalphos2phorusremovalinasequencingbatchreactorsuppliedwithglucoseasasolecarbonsource.Wat.Res.,2000,34(7):21602170.6...:,1989.103104,280285.7TMino,MCMVanLoosdrecht,JJHeijnen.Microbiologyandbiochemistryoftheenhancedbiologicalphosphatere2movalprocess.Wat.Res.,1998,32(11):31933207.2523