UASB好氧膜生物反应器组合工艺处理抗生素废水王国平

12320066()JOURNALOFSHANGHAIUNIVERSITY(NATURALSCIENCE)Vol.12No.3Jun.2006:2005-08-22　:(1969～),,,,.E-mail:[e-mail]　　:1007-2861(2006)03-0316-04UASB-王国平,　邹联沛(,200072):--.,UASB13h、7.5h,,COD88.13%.COD,..,.:UASB;;:X703.1　　　:ATreatmentofAntibioticWastewaterbyCombinatorialTechniqueofUASB-AerobicMembraneBioreactorWANGGuo-ping,　ZOULian-pei(SchoolofEnvironmentalandChemicalEngineering,ShanghaiUniversity,Shanghai200072,China)Abstract:WastewatertreatmentwastestedwithacombinatorialtechniqueofUASB-aerobicmembranebioreactor.Theresultsshowthat,whentheHRTofUASBis13handtheHRTofaerobicmembraneBioreactoris7.5h,theremovalefficiencyisbetter,andtheCODremovalratereaches88.13%.MembranefortheCODremovalrateensuressteadyrunningofthesystemwithhighefficiency.ConcentrationofMLSSinaerobicmembraneBioreactorisincreasedwhentheHRTbecomeslonger.Theresult,however,alsoindicatesthatfluxdropsrapidly,andfluxcanberecoveredafterphysicalandchemicalwashing.Keywords:UASB;aerobicmembranebioreactor;antibioticwastewater　　(MBR).,、、、、[1-2].、[3].,,,、、,COD、、、[4].,,、[5],.UASB,HRT、,.1　1.1　,COD34.598～36.895gL,pH3.5～4.6,,,.48h,COD1.7gL,pH.1.2　1,200mm、2m,47.1L,60cm.150mm、2m,26.4L,0.25μm.1.;2.;3.;4.;5.;6.;7.;8.1　Fig.1　Setupoftheexperimentalunit　　UASB,UASB,2h,5min,,.,,.2　2.1　HRT　　2、3,UASBCOD1.7gL,HRT26h,COD645～910mgL,47.81%～64.47%;HRT13h,COD655～836mgL,2　UASBCODFig.2　InfluentandeffluentCODofUASB3　HRTUASBFig.3　EffectofdisposalefficiencyofUASBbyHRT51.83%～62.69%;HRT8.4h,COD840～930mgL,45.55%～50.37%.,UASB.UASB,UASB,UASB.HRT,,HRT,,UASBCODHRT.,HRT13h.2.2　HRT4、5,HRT7.5h,COD655～836mgL,63%;HRT15h,COD645～910mgL,50%;HRT4.7h,COD840～930mgL,40%.HRT317　3,:UASB-　　　　15、7.5、4.7h,UASB26、13、8.4h,(),,,UASB,,,HRT4.7h.4　HRTMBRFig.4　EffectofdisposalefficiencyofaerobicMBRbyHRT5　MBRCODFig.5　InfluentandeffluentCODofaerobicMBR2.3　6～8,HRT40.8h,COD79.26%～84.34%,COD11.51%～19.01%;HRT20.4h,COD82.28%～88.13%,COD10.22%～17.89%;HRT13h,COD72.88%～77.21%,COD16.98%～19.18%,COD.[6],COD70%～80%,COD10%～20%.6　Fig.6　Disposalefficiencyofmembrane7　HRTFig.7　TotaldisposalefficiencyofdifferentHRT8　CODFig.8　InfluentandeffluentCODofmembrane　　6～8,COD,COD,COD;,COD,COD.CODCOD.MBR,COD.COD,.318　　　　()12　2.4　HRT,MBR,.,90d.30d,1.22kgCOD(m3·d),,,MLSS3.429gL30d6.218gL;31～60d6.218gL7.790gL,,2.36kgCOD(m3·d),,;61～90d,4.54kgCOD(m3·d),,7.9gL.,COD,COD,,61～90d.2.5　,[7]:①();②();③;④,,、.,[8].,440mLmin.4,,67mLmin,15%.,,,,.,,241mLmin,54.77%.0.33%12h,,,384mLmin,87.27%.0.33%6h,,410mLmin,93.18%.,9.3　　(1)COD1.7gL,HRT9　Fig.9　Fluxrecoveryandcleaningmethod-.UASBHRT13h、HRT7.5h(HRT20.5h),COD88.13%,.(2)COD,,.(3)HRTMLSS,HRT.(4),,.:[1]　VISVANATHANC,AIMBR,PARAMESHWARANK.Membraneseparationbioreactorforwastewatertreatment[J].CriticalReviewsinEnvironmentalScienceandTechnology,2000,30(1):1-48.[2]　,,,.[J].,2003,23(10):1-4.[3]　,.(SMBR)[J].,2003,22(5):12-14.[4]　,.[J].,2004,24:234-236.[5]　,,.[J].,2002,35(2):44-48.[6]　,TARDIEDE,.-[J].,1997,18(3):1-4.[7]　,,.[J].:,2005,25(2):102-105.[8]　,.[J].,2005,25(2):80-84.(编辑:刘志强)319　3,:UASB-