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WATERPURIFICATIONTECHNOLOGYVol.28,No.3,2009June25th,2009[]2008-09-26[](1985-),,,。[],:021-64253061;E-mail:chemxuzl@ecust.edu.cn。,Fenton,,。Fenton,,、,[1-3]。MBR,,(),,,,,,[4-9]。,(SBR)[10-11]。SBRCOD,COD,COD,,。H2O2,Fenton-MBR,Fe2+,;,MBR。11.1,:1、:++→;2、:、、、。、、、、、、、。,CODCr4500mg/L,H2O2Fenton-MBR,,,(,200237)H2O2,Fenton-(MBR)。Fe2+Fenton,(HRT)CODMBR。,FentonFe2+1.1g/L、3h、MBRHRT30hMLSS7000~8000mg/L。CODCr150~250mg/L,COD94%。Fenton:TQ028.8:A:1009-0177(2009)03-0061-04StudyofUsingFentonReagent-MembraneBioreactorontheEpoxyPlasticizersWastewaterTreatmentYOUWen-ting,FONGFei,XUZhen-liang,WULi(MembraneScienceandEngineeringR&DLab,ChemicalEngineeringResearchCenter,EastChinaUniversityofScienceandTechnology,Shanghai200237,China)AbstractUsingfentonreagentandmembranebioreactor(MBR)forthetreatmentoftheepoxyplasticizerswastewaterwhichcontainsH2O2.TheeffectofFentonreagenttreatmentwasstudiedbydifferentdosageofFe2+andreactiontime.Meanwhile,theefficiencyofMBRtreatmentwasdiscussedbyregulatingdifferenthydraulicretentiontime(HRT)andinfluentCODconcentration.Theexperimentalresultsindicatedthattheconditionsof1.1g/LFe2+,3hreactiontime,30hHRTand7000~8000mg/LMLSSweretheoptimumoperationconditions.TheeffluentCODCrreached150~250mg/Landtotalremovalratecouldreach94%.KeywordsFentonreagentmembranebioreactorepoxyplasticizerschemicalwastewateroperationparameters2009,28(3):61-64WaterPurificationTechnology61--DOI:10.15890/j.cnki.jsjs.2009.03.010Vol.28,No.3,2009,,,.Fenton-MBR0.5%,pH3.5。1.2,;,。MBR:,,,,,SVI80mL/gMLSS,MLSS7000~8000mg/L[12];(SRT)60d;MBR,1.5L/min。PVDF,352cm2,0.1μm,;MBR7.2L,MBR。1.3FentonpH3.5,FeSO4·7H2O,,,,,pH7~8,,,,COD。1.4MBRFenton,,MBRFenton,。MBRCOD。1.5、COD,《》[13]。22.1Fe2+FentonH2O2,Fe2+,FeSO4·7H2O。1,0.5%H2O2,2h,pH=3.5,Fe2+,COD。Fe2+1.1g/L,FeSO4·7H2O5.45g/L,COD。FeSO4·7H2O,1.1g/L(FeSO4·7H2O5.45g/L)Fe2+。2.2FentonCOD,FeSO4·7H2O,0.5h,pH,COD。2,0.5%H2O2FeSO4·7H2O5.45g/L,pH=3.5,,COD。3h,,COD,3h,COD。,FeSO4·7H2O,3h,COD50.71%。2.3CODMBR,FentonMBR。FeSO4·7H2O,FentonCOD,MBR,MBRCOD。MBR,,1CODMBR。3,,COD。,CODCr500mg/L。32.84kgCOD/(m3·d),MBRCODCr601mg/L,。1Fe2+CODFig.1TheeffectofCODreductionwithdifferentdosageofFe2+2CODFig.2TheeffectofCODreductionwithreactiontime62--WATERPURIFICATIONTECHNOLOGYVol.28,No.3,2009June25th,2009MBR2.34kgCOD/m3·dMBR。4MBR。MBRCOD。,2.34kgCOD/(m3·d),MBRCODCr500mg/L。MBR2.34kgCOD/(m3·d)。1,Fe2+0.82g/L,FentonMBRHRT30h,CODCr500mg/L。2.4HRTMBRHRTMBR,MBR,MBR。1.78kgCOD/(m3·d),HRT30h,25h20h,MBR,5。5,HRT,MBRCOD。HRT20h25h,COD,HRT20h,COD470mg/L。,,。HRT30h,COD,COD184~270mg/L,94%。,30h。2.5MBR,。2.94L/(m2·h),34kPa。,[14],,。,5%()()(),→→,。,5HRTMBRCODFig.5TheeffectofeffluentCODinMBRwithdifferentHRT1CODMBRTab.1ThesituationofMBRwithdifferentCODvolumeloadFe2+/(g·L-1)FentonCODCr/(mg·L-1)MBRHRT/h/(L·m-2h-1)MBR/(KgCOD·m-3·d-1)MBRCODCr/(mg·L-1)1.651658305.81.331041.102228305.81.782480.822926305.82.344040.663553305.82.846014MBRCODFig.4ThevarietyofeffluentCODreductionwiththevarietyoftimeindifferentvolumeload3MBRCODFig.3TheeffectofCODreductionwithMBRvolumeload63--Vol.28,No.3,2009(51)[3]H.Parab,S.Joshi,N.Shenoy,etal.DeterminationofkineticandequilibriumparametersofthebatchadsorptionofCo(II),Cr3+andNi(II)ontocoirpith[J].ProcessBiochemistry.2006,41(3):609-615.[4]C.Namasivayam,R.T.Yamuna.Studiesonchromium(III)removalfromaqueoussolutionbyadsorptionontobiogasresidualslurryanditsapplicationtotannerywastewatertreatment[J].Water,Air,andSoilPollution.1999,113(1-4):371-384.[5]K.H.Chu,M.A.Hashim,Adsorptioncharacteristicsoftrivalentchromiumonpalmoilfuelash[J].CleanTechnologiesandEnvironmentalPolicy.2002,4(1):8-15.[6]J.P.Ibá觡ez,Y.Umetru.Uptakeoftrivalentchromiumfromaqueoussolutionsusingprotonateddryalginatebeads[J].Hydrometallurgy2004,72(3-4):327-334.[7]V.J.Inglezakis,M.D.Loizidou,H.P.Grigoropoulou.EquilibriumandkineticionexchangestudiesofPb2+,Cr3+,Fe3+andCu2+onnaturalclinoptilolite[J].WaterResearch.2002,36(11):2784-2792.[8]WuD.Y.,SuiY.M.,HeS.B.,etal.Removaloftrivalentchromiumfromaqueoussolutionbyzeolitesynthesizedfromcoal覱yash[J].JournalofHazardousMaterials,2008,155(3)415-423.[9]Sui,Y.M.,Wu,D.Y.,ZhangD.L,etal.Factorsaffectingthesorptionoftrivalentchromiumbyzeolitesynthesizedfromflyash[J].JournalofColloidandInterfaceScience.2008,322(1)13-21.[10]D.Y.Wu,B.H.Zhang,L.Yan,etal.Effectofsomeadditivesontheformationofzeolitefromcoalflyash,Int[J].JournalofMineralProccessing.2006,80(2-4)266-272.5.8L/(m2·h),20kPa。,5.8L/(m2·h),。,,。,。Fenton,Ca2+Fe(OH)3。,。,Fenton,,,。5~10mg/L,,。3(1)Fe2+,FentonCOD,1.1g/L,COD。1.1g/LFe2+(FeSO4·7H2O5.45g/L),COD50%。(2)Fenton,3h。(3)Fenton,MBR,HRT30h,Fe2+0.82g/L。(4)FentonFe2+1.1g/L,3h,MBRHRT30h,MLSS7000~8000mg/L,COD94%。[1],.(Fenton)[J].,2005,46(5):319-320.[2],,,./[J].,2005,(5):31-34.[3],,,.Fenton[J].,2006,29(6):28-33.[4].[M].:,2001.[5].[J].,1991,17(5):318-323.[6]ChiemcliaisriC,WongYK,UraseT,etal.Organicstabilizationandnitrogenremovalinmembraneseparationbioreactorfordo-mesticwastewatertreatment.WaterScienceTechechnology,1992,25(10):231-240.[7]SuwaY,SuzukiT,ToyoharaH.,etal.Single-stage,single-sludgenitrogenremovalbyanactivatedsludgeprocesswithcross-flowfiltration.WaterResearch,1992,26(9):11
本文标题:Fenton试剂MBR工艺处理环氧增塑剂化工废水的研究游文婷
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