AOMBR处理实际印染废水的实验研究徐高田

2010315()Vol.31　No.5　2010(133)JOURNALOFNORTHUNIVERSITYOFCHINA(NATURALSCIENCEEDITION)(SumNo.133):1673-3193(2010)05-0486-06A/OMBR徐高田1,2,赵　军2,徐　静2,秦　哲2,3,孙佳琳2(1.,200050;2.,200072;3.,071002)　:　/(A/O)(PVDF),.,:(HydraulicRetentionTime,HRT)30h,0.56～0.8m3/h(DO3.0～5.0mg/L),pH8.0,25℃.,,,《》(GB4287-92).:　;;:　X703.1　　　:A　　　　doi:10.3969/j.issn.1673-3193.2010.05.011StudyonA/OMBRforTreatmentofDyeWastewaterXUGao-tian1,2,ZHAOJun2,XUJing2,QINZhe2,3,SUNJia-lin2(1.ShanghaiEnvironmentalProtectionBureau,Shanghai200050,China;2.Dept.ofEnvironmentalScienceandEngineering,ShanghaiUniversity,Shanghai200072,China;3.CollegeofChemistryandEnvironmentalScience,HebeiUniversity,Baoding071002,China)Abstract:Anoxic/Oxic(A/O)processandPolyvinylideneFluoride(PVDF)hollowfibermembranefiltrationwerecombinedtobeaMBR(MembraneBioreactor)usedforthetreatmentofdyestuffwastewater.Theoptimumoperationconditionwasinvestigated.TheresultsshowedthatitwashighefficiencywhenHRT(HydraulicRetentionTime)was30h,aerationratewas0.56～0.8m3/h(dissolvedoxygenwas3.0～5.0mg/L),pHwasabout8.0,andwatertemperaturewascontrolledabout25℃.Operatedunderthiscondition,thequalityofeffluentisexcellentandbetterthanthatofthe1ststandardofPollutantsDischargingStandardofDyestuffIndustry.Keywords:membranebioreactor;ultrafiltrationmembrane;dyestuffwastewater0　　,,,pH,,,,[1].,:2009-06-20　:(035211046);(042307013)　:(1971-),,,..,.,,,./(A/O)(PVDF),,[2],A/O,MBR,.1　1.1　1.××=50cm×20cm×40cm,10cm×10cm×40cm.30L,A3L,O27L.5cm5cm×2cm,,;,,.1-;2-;3-;4-;5-;6-;7-;8-;9-;10-;11-;12-;13-;14-;15-;16-;17-();18-1　MBRFig.1　DiagramoftheMBR、,.(PVDF),1.1　Tab.1　Membranecharacteristics/μm//MPa/m2·-1/mm//mm/(·m-2)(PVDF)0.22-0.01～0.021.0450102501501.2　,,.,、、,2.2　Tab.2　RawwastewaterqualityCODCr/(mg·L-1)pH//NTU301～5147.5～9.0360～50030～2301.3　,.487(133)A/OMBR()MLSS4000mg/L.,,.12h,C∶N∶P=100∶5∶1.,1h70%,14d.、,15%,.14d,CODCr85%,.1.4　HRT(HydraulicRetentionTime)、、pH,CODCr.,HRT.3HRT24h,30h,36h.HRT,0.40～1.36m3/h,25℃.HRT,.pH5.0～9.0,pH,pH..,,,,CODCr,,,.2　2.1　2.1.1　HRT,CODCrHRTCODCr2.2,HRT36h30h,CODCr,CODCr.0.56～0.8m3/h(DO3.0～5.0mg/L),CODCr85%;CODCr80%,CODCr.,,,CODCr,,[3],.0.56m3/h(DO3.0),CODCr.DO,,.HRT24h,CODCr,69.86%,CODCr.HRTCODCr,,,CODCr,、HRT,HRT.2　HRTCODCrFig.2　CODCrremovalefficienciesversusthechangeoftheaerationrateatdifferentHRT3　HRTFig.3　ChromaremovalefficienciesversusthechangeoftheaerationrateatdifferentHRT488()201052.1.2　HRT,,,,.,360～420,HRT3.3,HRT24h30h,,94.5%92.2%,20,30.HRT36h,,82.5%,.HRT,MBR,;,,,HRT24h30h,.,HRT36h,.:HRT,,,、;HRT,,,[4].,HRT,.,.,,,.CODCr,HRT30h,0.56～0.8m3/h(DO3.0～5.0mg/L).2.1.3　pHCODCr,HRT,NaOHH2SO4pH,pH5.0,6.0,7.0,8.09.0.CODCrpH4.4　pHCODCrFig.4　TheremovalefficienciesofCODCrandChromaatdifferentpH4,pH5.0～9.0,CODCr,;pH8.0,,91.32%,90.32%.pH,,[5].,,pH,,;pH,[6],.,;,,,.pH8.0,,,,pH[7],.CODCr,,CODCr[8],,CODCr.,CO2H2O,pH,,CODCr.,pH,,CODCr;,CODCr,CODCr,CODCr,CODCr,pH8.0.CODCr,CODCr.,MBR.489(133)A/OMBR()2.2　,:HRT30h,0.56～0.8m3/h(DO3.0～5.0mg/L),pH8.0.,CODCr,、,.25℃.2.2.1　CODCr5CODCr.5,20d,CODCr441～514mg/L,,CODCr130mg/L;,CODCr75mg/L,CODCr85%,CODCr.5　CODCrFig.5　CODCrremovalefficienciesundertheoptimumcondition6　Fig.6　Chromaremovalefficienciesundertheoptimumcondition2.2.2　6,,430～500,70;,40,90.8%.,,,[4].,.2.2.3　7,,(SS)、、、,35～230NTU,1.0NTU,99.7%.MBR,.7　Fig.7　Turbidityremovalefficienciesundertheoptimumcondition8　Fig.8　Varietyofmembraneeffluentpressureundertheoptimumcondition490()201052.2.4　8.8,,,20d25kPa,.,.3　　1)/,,HRTCODCr;HRT,,CODCr.2),,HRT.3)CODCrpH,MBR.4)HRT30h,0.56～0.8m3/h(DO3.0～5.0mg/L),pH8.0,25℃,,CODCr≤75mg/L,≤40,≤1.0NTU,《》(GB4287-92).5)/(A/O),,,,.:[1]　.[J].,2003,29(8):16-19.MingYinan.Progressinthetreatmenttechnologyofdyeingandprintingwastewater[J].IndustrialSafetyandEnvironmentalProtection,2003,29(8):16-19.(inChinese)[2]　.-[J].,2001,22(3):20-24.LiuRui.Acomparisonbetweenasubmergedmembranebioreactorandaconventionalactivatedsludgeprocess[J].EnvironmentalScience,2001,22(3):20-24.(inChinese)[3]　KimJS,LeeCH,ChangIS.Effectofthepumpshearontheperformanceofacrossflowmembranebioreactor[J].WaterResearch,2001,35(9):2137-2144.[4]　.A/O[J].(),2005,44(3):441-444.HongJunming.Experimentalstudyonreactivedyewastewatertreatmentbyacombinedanaerobic-aerobicmembranebioreactorprocesses[J].JournalofXiamenUniversity(NaturalScience),2005,44(3):441-444.(inChinese)[5]　HibiyaK,TeradaA,TsunedasS,etal.Simultaneousnitrificationanddenitrificationbycontrollingverticalandho-rizontalmicroenviromentinamembraneaeratedbiofilmreator[J].JournalofBiotechnology,2003,100(1):23-32.[6]　.[M].:,1995.[7]　.[J].,2001,21(1):39-41.JiaHongbin.Studyontreatmentofprintinganddyeingwastewaterbyanaerobicbaffledreactorinapilotplant[J].IndustrialWaterTreatment,2001,21(1):39-41.(inChinese)[8]　KapdanIK,KargiF.Simultaneousbiodegradationandadsorptionoftextiledyestuffinanactivatedsludgeunit[J].ProcessBiochemistry,2002,37(11):973-981.491(133)A/OMBR()