臭氧氧化法深度处理造纸废水试验研究王娟

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ExperimentalresearchontheadvancedtreatmentofpaperandpulpindustrialwastewaterbyozonationprocessWangJuan1,FanDi2(1.CollegeofEnvironmentalandMunicipalEngineering,QingdaoUniversityofTechnology,Qingdao266033,China;2.QingdaoSaierEnvironmentalProtectionCo.,Ltd.,Qingdao266101,China)1,2(1.,266033;2.,266101)[],。、pH,COD,COD,。,、,;13.98mg/min、30min,COD62.3%99.5%,。[];;;[]X703.1[]A[]1005-829X(2009)01-0033-04Abstract:Thesecondgradeeffluentwaterofpaperandpulpindustrialwastewaterhasfirstlybeenpretreatedwithcompositecoagulant,andthen,theoxidationtreatmentwithozonehasbeencarriedthrough.TheeffectofozonationontheCODandchromaremovalratesofthepulpwastewaterunderdifferentconditions(suchasthedosageofozone,pH),andtheeffectofdifferentozoneproducingspeed,andreactiontimeonitsCODandchromaremovalratesarestudied.Themechanismofozonationisanalyzed.Theresultindicatesthattheozonationeffectincreaseswiththeincreaseofozonedosageandreactiontime,buttheincreasingextentgetslessandless.TheremovalratesofCODandchromaare62.3%and99.5%respectively,whenozoneaddingspeedis13.98mg/minandretentiontime30min.Theremovaleffectsaresignificant.Keywords:coagulation;ozonationprocess;paperandpulpindustrialwastewater;advancedtreatment[]([2006]003-1),、,,、COD〔1-4〕。〔5-6〕。、,、、、,COD、BOD5。11.11。,。,29120091IndustrialWaterTreatmentVol.29No.1Jan.,20091ZT33。KI。。1.2(1):,、,:COD350~450mg/L,400~500。(2):,D=60mm,H=1.5m。1.3PAC、PFSPAM。1.4,;pH,;,;COD,〔7〕。22.1、,COD,,,,,,。PACPFS,(1mg/L)PAM,30min。COD424mg/L,490,23。2,m(PAC)∶m(PFS)=2∶1COD,,COD,600mg/L,600mg/L。3,m(PAC)∶m(PFS)=2∶1,。,600mg/L,,COD50.5%,41.2%,COD210mg/L,288。2.2COD(2L),COD4。4,,。195mg,COD,195mg,COD,390mg,COD62.0%,。,(),,。,260mg,,。260mg,,390mg,99.0%,,。2.3pH200V,13.78mg/min,10min,2LpH,COD5。5,pH5.0,COD;pH6.2,COD50.5%;pH12010080604020065130195260325390455520/mgCOD/%4COD50403020100/%200300400500600700800/(mg·L-1)m(PAC)∶m(PFS)=1∶2m(PAC)∶m(PFS)=1∶1m(PAC)∶m(PFS)=2∶136050403020100200300400500600700800/(mg·L-1)COD/%m(PAC)∶m(PFS)=1∶2m(PAC)∶m(PFS)=1∶1m(PAC)∶m(PFS)=2∶12COD2009-01,29(1)347.2,COD。,COD,,COD。,Fe2+,Fe2+HO·,,,,COD,COD,。pH6~9,。2.42L,1。1,COD。,13.98mg/min、20min,7.36mg/min、30minCOD、,7.36mg/min13.98mg/min,1,COD,,,,、。3,HO·。,,,,,〔5〕。OH-,,、HO·,HO·,COD。,,,,,、、,,pH,OH-,HO·,COD。4(1)。(2)、pH。13.98mg/min、30min,COD62.3%99.5%。COD,,。(3)、,。、,。,,。[][1].[M].:,2001:326-335.[2].[M].:,2001:109-197.[3],,.[J].,2006,7(2):105-107.[4],.[J].,2005(2):21-24.[5],.[M].:,2001:8-12.[6],,,.[J].,2007(2):24-26.1008060402005.06.27.28.09.110.0pHCOD/%5pHCOD1COD/min/(mg·min-1)COD57.15.94.137.133.427.1COD1029.122.717.161.452.045.6COD1548.538.329.282.166.460.7COD2059.141.839.490.678.172.9COD2560.651.448.195.087.482.0COD3062.359.757.599.594.090.113.98/%10.257.36,:2009-01,29(1)35[7].[M].4.:,2002:90-284.[](2006HANCET-20)StudyonthephotocatalyticdegradationofspilledoilonwatersurfacebyusingfloatableFe()dopedTiO2/EPJingQiangshan,LiuPeng,ZhengYanping(CollegeofChemistry&ChemicalEngineering,XinyangNormalUniversity,Xinyang464000,China),,(,464000)[](EP),Fe()TiO2/EP,XRD、SEM,,Fe()TiO2/EP。,Fe()TiO2,TiO2。n(Fe)∶n(Ti)=0.05,550℃,Fe()-TiO2/EP,0.15gFe()-TiO2/EP4h,95.36%。,Fe()-TiO2/EP79.28%,TiO2/EP53.57%。[];;[]X703.1;TQ426.82[]A[]1005-829X(2009)01-0036-03Abstract:FloatablephotocatalystofFe()dopedTiO2/EPhasbeenpreparedbyimpregnationmethodusingexpandedperlite(EP)ascarrier.ThecrystalphaseandmorphologyofFe()dopedTiO2/EPischaracterizedbyXRDandSEMtechniques.TheresultsshowthatFe()dopingcouldpromotethephasetransformationofTiO2fromanatasetorutile,andrestrainthegrowthofthecrystallitesizeofTiO2.Whenn(Fe)∶n(Ti)=0.05,andcalcinationtemperatureis550℃,Fe()dopedTiO2/EPhasbestphotocatalyicactivity.When0.15gofFe()-TiO2/EPirradiatedunderUVfor4h,theoctanedegradationratereaches95.36%.Underthesamereactionconditions,whenitisirradiatedunderxenonlight,theoctonedegradationrateis79.28%.ButtheonewithoutbeingdopedTiO2/EP,theoctanedegradationrateisonly53.57%.Keywords:titaniumoxide;expandedperlite;photocatalysis,3000,200~1000t,0.5%〔1〕,。TiO2、、。,TiO2〔2-3〕,,,。TiO2,。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!29120091IndustrialWaterTreatmentVol.29No.1Jan.,2009[](1965—),1986,2003,,。:0532-86969826,E-mail:wifine@126.com。[]2008-08-05()36

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