胞外聚合物蓄磷能力及与生物除磷的关系韩玮

:1009-6094(2012)05-0023-06＊韩　玮1,2,袁林江1,柴　璐1(1,710055;2,710054)　:(EPS),,(SRT)/(A/O)SBR,、EPS。,SRT48d,A/O-SBR,0.5mg/L,《》。EPS,EPS(EPS)10mgP/gVSS,()38mgP/gVSS。EPSSRT,SRT12～48d,EPS10mgP/gVSS;SRT,SRT12～48d,20～38mgP/gVSS。EPS,。/,EPS10mgP/gVSS,,20mgP/gVSS。(PAO),。EPS。,EPS,。:;;A/O-SBR;;:X703　　　:ADOI:10.3969/j.issn.1009-6094.2012.05.005＊:2012-05-11:,,,[e-mail]。:(CXY09025)0　　(Extra-cellularPolymericSubstances,EPS),,,[1]。EPS,、。EPS[2]。[3],EPS。[4-5],,EPS18%,82%,EPSEPS。[6]5,EPS,EPS34%～57%。。EPS,EPS,EPS。,(Polyhydrox-yalkanoates,PHA),EPS,。[7],EPS,,50%～70%,DNA。20d,EPS,。[8]EPS,,EPS,20dEPS。EPS,,EPS,EPS,,。[5]SRT5d、12d、18dA/O-SBR,EPS、。,EPS,。[9],EPS,EPS,。EPS。[4]20d,20dEPS,20dEPS,EPS,EPS。1　　1.1　6L。,2L。/,4,6h,:1min,59min,90min,105min,5min,100min。、2L,1/3。,14,。1.2　。、、、,,。450mg/L(COD),8mg/L(P)。1。1.3　[10]。MLSS,1　Table1　Synthesiswastewaterprescription/(mg·L-1)1801201201202223125201210　　　　　　　　　　　　　安全与环境学报JournalofSafetyandEnvironment　　　　　　　　　　　　　　Vol.12　No.5Oct.,2012,COD,PHA[11],DOMO128-2M(Mettler-Toledo,),pHPB-20pH(Sartorius,)。EPS[12-16]。,(4℃,5000r/min,1min),,(40W,3s3s,33)。EPS。,,()4h,(4℃,12000r/min,10min),1,。0.22μm,,EPSEPS。SBRA/O(-),12d,;,,20d,;48d,。3。2　2.1　SBR(60min)/(90min),16h,4,12d。,SBR,0.5mg/L,11。,20d,11;,,48d,11。,3,。,,。3EPS80%,EPS。,(EPS)。1,3COD,,SRT。23,SRT,0.5mg/L;,SRT,(PHA)。PHA,,PHA,。0.5mg/L,SRT48d30min,45min60min。1　SRTCODFig.1　ChangesofCODwithtimeatdifferentSRT2　SRTPHAFig.2　ChangesofPHAmassratiowithtimeatdifferentSRT3　SRTFig.3　ChangesoftotaldissolvedphosphorusmassconcentrationwithtimeatdifferentSRT2.2　EPS3,,EPS,EPS,EPS。,,、EPS。2。,EPS,,,EPS。4～6SRT1、EPS。4,3、,。2,50mg,24　Vol.12　No.5　　　　　　　　　　　　　　安全与环境学报　　　　　　　　　　　　　　125200mg,700mg。,,,。4,SRT,。SRT,,,;SRT,,,0.5mg/L,,。,,SRT,,[17]。　　5,EPS。SRT12dEPS,EPS200mg,2,,。EPS,。2,EPS6mg、9mg18mg,51mg、58mg69mg,45mg、49mg51mg。,EPS,EPS。　　6,、,。,SRT12d,,90min,EPS,(3),EPS,,2　Table2　ChangesofphosphoruscontentinintraandextracellularSRT/d/EPS/mg//mg/mg/mgEPS/mg12118/112183/2345145620123/114500/5585849948141/123588/6576951184　SRTFig.4　ChangesoftotalphosphoruscontentinactivatedsludgewithtimeatdifferentSRT,。2.3　EPS7EPS(EPS)1。SRT,EPS。SRT12d,EPS,10mgP/gVSS20mgP/gVSS,10mgP/gVSS。EPS。3EPS,EPS,EPS8～10mgP/gVSS。EPS,10mgP/gVSS,SRT。5　SRTEPSFig.5　ChangesoftotalphosphoruscontentinEPSwithtimeatdifferentSRT6　SRTFig.6　Changesofintra-cellulartotalphosphoruscontentwithtimeatdifferentSRT7　SRTEPSFig.7　ChangesofEPSphosphoruscontentwithtimeatdifferentSRT25201210　　　　　　　　　,:　　　　　　　　　Oct.,20123　　(1～3),SRT12d、20d48dA/O-SBR,,SRT,30.5mg/L,4。,。3.1　EPS(7),,EPS,8～10mgP/gVSS。SRTEPS,EPS。87()。SRT12d,3,20mgP/gVSS,38mgP/gVSS,。SRT。SRT,,,SRT48d20d。,SRT12d,、,。3,8。EPS,()EPS,(),。3.2　EPS910SRT,EPS。SRT12d,EPS40%,90min90%,40%,60%。SRT20d,EPS20%,80%。[4],[5]。[4]SRT20d,82%,18%EPS,;SRT20d。[6],8　SRTFig.8　Changesofintra-cellularphosphoruscontentwithtimeatdifferentSRTSRT20d,EPS(EPS),,SRT,EPS。,SRT20d,,。,、。SRT20d,,EPS。。5,,EPS。[5]5。,EPS34%～57%,EPS。A/O,18d,1∶2。,,。SRT12d(SRT20d),EPS40%;SRT18d(SRT20d),EPS35.83%。。,,EPS。,EPSSRT。,SRT20d,,EPS20%;SRT20d,SRT,EPS。9　SRTEPSFig.9　ChangesofEPSphosphoruscontentandtotalphosphoruscontentofactivatedsludgeratioatdifferentSRT10　SRTFig.10　Changesofintra-cellularphosphoruscontentandtotalphospho-ruscontentofactivatedsludgeratioatdifferentSRT26　Vol.12　No.5　　　　　　　　　　　　　　安全与环境学报　　　　　　　　　　　　　　1253.3　EPSEPS,。[4],SRT,EPS,,EPS。。,EPS,,EPS10mgP/gVSS,SRT;EPSEPS,,EPS,EPS。,SRT,,,,。,EPS,;EPS,,EPS。,、。,。,EPS,EPS,。,(SRT20d),。[5],,EPS,EPS,EPS。EPS(SRT12d40%EPS),EPS,,。,EPS。,SRT,10mgP/gVSS。4　　1)、,SRT。SRT,PHA,。SRT、。2),EPS,EPS。EPS,EPS,,。3)EPS,SRTEPS,,EPS10mgP/gVSS。EPS,,。4)、SRT。SRT12d60%,40%EPS;SRT20d,80%,20%EPS。　,,。References():[1]　YANGMin(),HUXuewei(),NINGPing(),etal.Researchprogressinextracellularpolymericsubstancesappliedtobio-logicalwastewatertreatment[J].IndustrialWaterTreatment(),2011,31(7):7-12.[2]　YURongli(),SUNLina(),SUNTieheng().Researchontheflocculationmechanismofmicrobialflocculants[J].JournalofSafetyandEnvironment(),2012,12(1):24-26.[3]　LIUYanan(),YUShuili(),ZHAOBingjie(),etal.Studyontheroleofextracellularexopolymersinbiologicalphos-phorusremoval[J].JournalofHarbinInstituteofTechnology(),2005,37(5):623-625.[4]　ZHOUJian(),MIAOLili(),LONGTengrui().Astudyofeffectofextracellularpolymericsubstancesonadsorptionandregenerationofactivatedsludge[J].TechniquesandEquipmentforEnvi-ronmentalPollutionControl(),2004,5(5):21-24.[5]　ZHOUJian(),LIJingjing(),LONGTengrui(),etal.Studyontheactionofextracellularpolymericsubstances(EPS)inbiologicalphosphorusremovalfromwastewater[J].ActaScientiaeCir-cumstantiae(),2008,28(9):1758-1762.[6]　FANGZhendong(),LONGXiangyu(),TANGRan(),etal.Thephosphorus-incorporatingpropertyofextracellularpoly-mersubstances[J].ActaScientiaeCircumstantiae(),2011,31(11):2374-2379.[7]　ZHUZhe(),LITao(),WANGDongsheng(),etal.Effectofsolidsretentiontimeonfloccharacteristic[J].Environmen-talChemistry(),2009,28(1):10-15.[8]　CAOXiuqin(),ZHAOZiling().Analysisofinfluenc-ingfactoronthecomponentofextracellularpolymericsubstance(EPS)[J].EnvironmentalScienceandTechnology(),2010,33(12):420-424,471.[9]　LONGXiangyu(),FANGZhendong(),TANGRan(),etal.Rolesofextracell