常温常压下催化湿式过氧化氢氧化工艺的研究刘琰

　2006262　　　　　　　　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY[]2005-08-27;[]2005-09-20。[](1978—),,,,。[]973(2004CB418505)。[],:0451-86283066;:[e-mail]。　,,　(,150090)[],,。,Fe/γ-Al2O3。500mg/L,Fe/γ-Al2O3H2O230g/L330mg/L,3h,79.67%,COD80.92%,72.88%。,500mg/L、,,,,。[];;;;[]X703　　　[]A　　　[]1006-1878(2006)02-0083-04StudyonCatalyticWetHydrogenPeroxideOxidationProcessunderRoomTemperatureandAtmosphericPressureLiuYan,SunDezhi,LiLei(SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,HeilongjiangHarbin150090,China)Abstract:Severalsupportedcatalystswerepreparedbyimpregnation-calcinationprocessandtheircatalyticactivitiesforcatalyticwethydrogenperoxideoxidation(CWPO)underroomtemperatureandatmosphericpressurewereinvestigatedusingsimulatedwastewatercontainingazodyesastreatmentobjec.tTheresultsshowthatthecatalyticactivityandstabilityofFe/γ-Al2O3arethebestandafteritwasusedtotreatthesimulatedwastewatercontaining500mg/Lofmethylorangedyefor3h,theremovalratesofchroma,CODandTOCare79.67%,80.92%and72.88%respectively,whilethedosagesofFe/γ-Al2O3andH2O2are30g/Land330mg/L.Underthesameconditions,3kindsofsimulatedwastewatercontainingmethylorange,acidorangeandreactiveblackwithmassconcentration500mg/Lweretreatedrespectively.Theexperimentalresultsindicatethatmethylorangeiseasiertobedegradedthanacidorange,andreactiveblackisthemostdifficul.tKeywords:catalyticwethydrogenperoxideoxidation;roomtemperatureandatmosphericpressure;catalyst;azodye;wastewatertreatment　　(CatalyticWetAirOxidation,CWAO)(CatalyticWetHydrogenPeroxideOxidation,CWPO),,[1～3]。[4～6]FeSO4,CWPO400mg/L,。,Neamtu[7,8]Kim[9]FeY11.5Al-Cu83　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　　　200626,CWPO,。,[10,11]CWPO。CWPO。,CWPO3。1　实验部分1.1　γ-Al2O3(2～3mm)0.1mol/LCu,Fe,MnZn4,12h,80℃12h,110℃2h,350℃3h,Cu/γ-Al2O3,Fe/γ-Al2O3,Mn/γ-Al2O3Zn/γ-Al2O3。1.2　,25℃,。、3。150mL100mL500mg/L,H2O2。。1.3　COD、(TOC)。COD;TOCTOC-VCPN;UV-2550-。。AA-630-01,0.05mg/L。2　结果与讨论2.1　。,4。10g/L,H2O2330mg/L。12。1　COD◆　Cu/γ-Al2O3;■　Fe/γ-Al2O3;▲　Mn/γ-Al2O3;●　Zn/γ-Al2O32　◆　Cu/γ-Al2O3;■　Fe/γ-Al2O3;▲　Mn/γ-Al2O3;●　Zn/γ-Al2O312,COD,,H2O2。,Fe/γ-Al2O3。,。,42h,1。1　2h/(mgL-1)Cu2+0.85Fe2+≤0.05Mn2+1.02Zn2+3.511,2h,Fe/γ-Al2O30.05mg/L,,,,。,Fe/γ-Al2O3CWPO。84　2.2.2　Fe/γ-Al2O32.2.1　H2O2330mg/L,3。3,,0,,。,,。,30g/L,。,,Fe/γ-Al2O330g/L,Fe572.1mg/L。3　2.2.2　H2O230g/L,H2O24。4,H2O2,,;H2O2,,H2O2330mg/L,。,H2O2330mg/L。4　H2O22.2.3　pH0.1mol/LNaOH0.1mol/LHClpH,30g/LH2O2330mg/L,pH5。5,,,pH。,Fenton,。5　pH2.2.4　30g/LH2O2330mg/L,2h6。6,,。1000mg/L,,2h65%,。6　▲　;■　2.3　330g/LH2O285　　　　　　ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY　　　　　　200626330mg/L,500mg/L、,CWPO。3h3、CODTOC2。2,3,CWPO,。2,3,,。、。2　3,%79.6770.1462.52COD,%80.9278.5069.09TOC,%72.8864.2147.983　结论a)Cu/γ-Al2O3,Fe/γ-Al2O3,Mn/γ-Al2O3,Zn/γ-Al2O34,。,Fe/γ-Al2O3。500mg/L,Fe/γ-Al2O3H2O230g/L330mg/L。b),500mg/L、,。,,COD80.92%,TOC72.88%;,COD78.50%,TOC64.21%;,COD69.09%,TOC47.98%。,,。　　　1　DebellfontaineH,ChakchoukM,FoussardjN,eta.lTreatmentoforganicaqueouswastes:wetairoxidationandwetperoxideoxidation.EnvironPollut,1996,92(2):155～1642　,,..,1998,11(4):253～2563　,,..,2005,25(1):8～114　,..,1997,18(5):71～745　,,..,1999,17(6):69～716　,,..,2002,20(2):72～747　NeamtuM,CatrinescuC,KettrupA.Effectofdealumina-tionofiron(III)-exchangedYzeolitesonoxidationofreac-tiveyellow84azodyeinthepresenceofhydrogenperox-ide.ApplCatalB:Environ,2004,51:149～1578　NeamtuM,ZahariaC,CatrinescuC,eta.lFe-exchangedYzeoliteascatalystforwetperoxideoxidationofreactiveazodyeprocionmarineH-EXL.ApplCatalB:Environ,2004,48:287～2949　KimSC,LeeDK.PreparationofAl-Cupillaredclaycat-alystsforthecatalyticwetoxidationofreactivedyes.CatalToday,2004,97:153～15810　CentiG,PerathonerS,TorreT,eta.lCatalyticwetoxi-dationwithH2O2ofcarboxylicacidsonhomogeneousandheterogeneousFenton-typecatalysts.CatalToday,2000,55:61～6911　CatrinescuC,TeodosiuC,MacoveanuM,eta.lCatalyt-icwetperoxideoxidationofphenoloverFe-exchangedpillaredbeidellite.WaterRes,2003,37:1154～1160(编辑　祖国红)《》,,,,、、20051028《》。、,、。《》3,260。,113,82,65。(摘自《化工环保通讯》2005年第11期)86