TiO2光催化氧化法深度处理印染废水的研究孙广垠

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—————————————————————————————————————————————[3]AhnJ,DaidouT,TsunedaS,etal.Characterizationofdenitrify-ingphosphate-accumulatingorganismscultivatedunderdifferentelectronacceptorconditionsusingpolymerasechainreaction-dena-turinggradientgelelectrophoresisassay[J].Wat.Res.,2002,36(2):403-412.[4]KubaT,vanLoosdrechtMCM,HeijinenJJ.Phosphorusandni-trogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo-sludgesys-tem[J].Wat.Res.,1996,30(7):1702-1710.[5].[M].4.:,2002:211-248.[6]GB/T5750.5—2006———[S].:,2007:80-81.[7].[J].,2006,22(2):85-86.[8],,.CODSBR[J].,2005,5(6):30-33.[9]MeinholdJ,FilipeCDM,DaiggerGT,etal.Characterizationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologicalphosphateremoval[J].Wat.Sci.Technol.,1999,39(1):31-42.[10]WachtmeisterA,KubaT,vanLoosdrechtMCM,etal.Asludgecharacterizationforaerobicanddenitrifyingphosphorusremovingsludge[J].Wat.Res.,1997,31(3):471-478.[11]Kerrn-JespersenJP,HenzeM.Biologicalphosphorusuptakeun-deranoxicandaerobiccondition[J].Wat.Res.,1993,27(4):617-624.[12]ZengRJ,SaundersAM,YuanZ,etal.Identificationandcomparisonofaerobicandpolyphosphate-accumulatingorganisms[J].Biotech.Bioeng.,2003,83(2):140-148.[13],,,.ORP[J].,2004,25(4):54-58.[](1981—),20087,,,:0531-88965077,13791053770,E-mail:songwuchang@163.com。[]2009-04-20()StudyontheadvancedtreatmentofprintinganddyeingwastewaterbyphotocatalyticoxidationmethodSunGuangyin,SongJina,ZhangJuan(SchoolofUrbanConstruction,HebeiUniversityofEngineering,Handan056038,China)TiO2,,(,056038)[],,CODH2O2、pH。[];;[]X703.1[]B[]1005-829X(2009)08-0025-03Abstract:Themechanismofphotocatalyticoxidationusedfortreatingprintinganddyeingwastewaterisanalyzed.ThelawsoftheremovalratesofCODandchromaticitychangingwithreactiontimeareanalyzed,andatthesametime,theinfluenceofH2O2dosage,pHofthewastewaterandotherfactorsarediscussed.Keywords:photocatalyticoxidation;printinganddyeingwastewater;advancedtreatment2070,A.Fujishima〔1〕TiO2,。〔2-5〕,。,[](0825401107)29820098IndustrialWaterTreatmentVol.29No.8Aug.,200925——2009-08,29(8)2009-08,29(8),、,。、、pH、〔6〕。〔7-9〕。,。,++,:COD650~1500mg/L,BOD5200~400mg/L,350,pH7~12,BOD5/COD,。。1:,,,、,HO·O2-。HO·O2-,。,,,,,,,,。,。22.1+,,COD483mg/L,87,pH7.9,。2.2,1000mm×300mm×300mm,ZSZ-30W,900mm,19mm,253.7nm,,。,。2.350L,TiO2(,),,TiO2,,,,COD,。2.4COD〔10〕;〔11〕。33.1COD+,60min,TiO2,TiO2COD,1。1,,,。TiO20.5g/L,COD。,COD。TiO2,,。3.2CODTiO20.2g/L,,COD,1。1,COD。,COD。,,1TiO2CODTiO2/(g·L-1)0.10.20.30.40.50.6COD/%30.9838.8942.3358.6259.7857.46/%66.7568.9875.4779.5880.9380.0610090807060504030201003045607590120150/minCOD/%1COD26——2009-08,29(8)2009-08,29(8)CO2、H2O。3.3pHCODTiO20.2g/L,,HClNaOHpH,pHCOD,2。2,pH。TiO2pHζ,〔5〕,pHTiO2ζ,;TiO2ζ,,,TiO2,,,pH6~9,pH6.0。3.4H2O2CODH2O2,,H2O2,,H2O2COD,2。2,H2O2COD,,H2O2,COD。,H2O23.0mmol/L,COD,。4(1)+,TiO2,COD。、、、、,。(2)pHH2O2,,COD,。(3)pH6.0、TiO20.5g/L、120min、H2O23.0mmol/L,COD76.8%89%。(4),:,,,,,;,TiO2TiO2,;,;,,。[][1]FujishimaA,HondaK.Electrochemicalphotolysisofwateratasemiconductorelectrode[J].Nature,1972,238(5358):37-38.[2],,.[J].,2001,23(3):61-62.[3],,,.[J].,2000,22(1):59-63.[4].H2O2/Fe2+[J].,2001,1(4):65-67.[5],.[J].:,2004,21(3):229-232.[6],,,.[J].:,2005,4(3):18-22.[7]KapdanIK,KargiF.Simultaneousbiodegradationandadsorptionoftextiledyestuffinanactivatedsludgeunit[J].Biochemistry,2002,37(9):973-981.[8],,,.TiO2[J].,2001,2(2):47-56.[9],,,.TiO2[J].,2001,2(2):14-20[10].()[M].:,1994:446-448.[11].[M].3.:,1997:91-93.2pHCODpH45678910COD/%67.464.654.952.044.341.236.8/%87.574.272.171.069.162.254.8706050403020100306090120180240COD/%/min1.0mmol/L2.0mmol/L3.0mmol/L4.0mmol/L2H2O2COD[](1974—),1997,。:0310-8578748,15930807043,E-mail:hdsgy@163.com。[]2009-04-27(),:TiO227——

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