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当前位置:首页 > 商业/管理/HR > 公司方案 > Fe2O3掺杂TiO2催化超声降解染料工业废水的研究任百祥
ResearchontheultrasonicdegradationofwastewaterfromdyeingindustryinthepresenceofFe2O3-dopedTiO2ascatalystRenBaixiang1,SunShubo2(1.CollegeofEnvironmentalEngineering,JilinNormalUniversity,Siping136000,China;2.ShenyangPolytechnicCollege,Shenyang110045,China)Fe2O3TiO21,2(1.,136000;2.,110045)[]Fe2O3TiO2、,。,Fe2O3TiO2。45kHz、200W、pH2.63、150min,COD67%,,750mg/LFe2O31.0%Fe2O3TiO2,COD92%。[];;Fe2O3TiO2[]X703.1[]B[]1005-829X(2010)08-0036-04Abstract:Fe2O3-dopedTiO2hasbeenusedascatalyst,ultrasonicradiationasthemainmeansfordegradingwastew-aterfromdyeingindustry.Theeffectsofvariousreactionparametersonthedegradationofdyeingwastewaterarein-vestigated.TheresultsshowthatFe2O3-dopedTiO2canobviouslyimprovetheultrasonicdegradationefficiencyofwastewaterfromdyeingindustry.Whentheultrasonicfrequencyis45kHz,poweris200W,solutioninitialpHis2.63,andultrasonicreactiontimeis150min,theCODremovalrateofthedyeingwastewateris67%.But,underthesameconditions,theCODremovalratecanreach92%,1.0%ofFe2O3-dopedTiO2ascatalyst,anditsdosageis750mg/L.Keywords:wastewaterfromdyeingindustry;ultrasonicdegradation;Fe2O3-dopedTiO2[]“”([2007]160)、、、、,〔1-3〕。、、〔4-6〕,、。,,TiO2〔7-8〕。,,〔9〕。,15~20cm。〔10-12〕,、,。Fe2O3TiO2,。11.1。、、。,pH9.25,COD3440mg/L。1.2751COD,30820108IndustrialWaterTreatmentVol.30No.8Aug.,201036——2010-08,30(8);KQ-,。Fe2O3,;TiO2,,。1.3Fe2O3TiO2〔13〕Fe2O3TiO2。:0.5%、1.0%1.5%Fe2O3TiO2,,15min,100℃。,700℃3h,Fe2O3TiO2。,200。1.4200mL,。COD、、、、TiO2Fe2O3,COD,COD,。22.12.1.1CODCOD40kHz、160W、、150min、pH9.25,COD,CODCOD,1。1,CODCOD,COD1146mg/L,COD。,,,,,;·OH,。2.1.2COD40kHz、160W、、pH9.25,,COD1。1,COD,150min,COD,COD,。:;,·OH·H。,,COD;,,,·OH。,·OH,。·OH,COD。2.1.3pHCOD40kHz、200W、、150min,pH,COD,2。2,pHCOD,pH=2.63,COD。pH1CODCODCOD/(mg·L-1)COD/(mg·L-1)COD/%34423731.068842538.286049642.3114650555.9172075356.23440150356.3,:Fe2O3TiO237——2010-08,30(8)。,。·OH;·OH,pH,,,COD。pH2.63。2.1.4COD200W、、pH2.63、150min,COD,3。3,19kHz80kHz,COD,45kHz,67%。,COD。,,,,,,COD。,,,,COD。,,45kHz。2.1.5COD、pH2.63、150min、45kHz,COD,4。4,COD,200W,67%。,200~250W,COD。>250WCOD,280W,COD。,·OH,COD。,·OH,·OH,COD。,,。,,200W。2.22.2.1TiO2CODTiO2,,45kHz、200W、、pH2.63,150min,TiO2COD,5。5,TiO2,COD,TiO2。TiO2,〔14〕:,38——2010-08,30(8),TiO2。,“”KK,·OH,。TiO2,,·OH,。,5,TiO2750mg/L,COD,85%,TiO2>750mg/L,COD85%,。TiO2,,,TiO2,COD。TiO2,,TiO2,TiO2,COD。,TiO2,,COD。2.2.2Fe2O3CODFe2O3Fe2O3TiO2,,45kHz、200W、、pH2.63、Fe2O3TiO2750mg/L,30minCOD,Fe2O3TiO2。6。6,TiO2,Fe2O3TiO2,COD92%,Fe2O3TiO2,Fe2O31.0%。Fe2O3TiO2,TiO2,TiO2TiO2。3Fe2O3TiO2。45kHz,200W,pH2.63,,750mg/LFe2O31.0%Fe2O3TiO2,150min,COD92%,。。[][1],.[J].,1994,9(3):299-302.[2],,.Fenton[J].,2004,30(12):9-12.[3]LidaY,KozukaT,TuziytiT,etal.Sonochemicallyenhancedad-sorptionanddegrandtionofmethylorangewithactivatedaluminas[J].Ultrasonics,2004,42(1):635-639.[4],,,.--[J].,2000,21(3):62-65.[5]HagerDG.Industrialwastewatertreatmentbygranularactivatedcarbon[J].Am.DyestuffReporter,1998,62(11):69-75.[6]KarcherS,KommulterA,JekelM.Removalofreactivedyesbysorptioncomplexionwithcucurbituril[J].Wat.Sci.Tech.,1999,40(4/5):425-433.[7],,.TiO2[J].,2008,34(4):31-33.[8],,,.TiO2SBR[J].,2008,28(7):1314-1319.[9],,.UV/H2O2[J].,2003,24(5):106-109.[10]GonzeE,FourelL,GonthierY,etal.Wastewaterpretreatmentwithultrasonicirradiationtoreducetoxicity[J].TheChemicalEn-gineeringJournal,1999,73(2):93-100.[11],,.[J].,2001,20(2):11-14.[12]RehorekA,TauberM,GubitzG.Applicationofpowerultrasoundforazodyedegradation[J].UltrasonicsSonochemistry,2004,11(3/4):177-182.[13],,.[J].,2001,17(3):282-285.[14],,,.SiO2TiO2[J].,2004,15(1):12-15.[](1964—),1988,,。:13844402096,E-mail:renbx6438@sina.com。[]2010-04-20(),:Fe2O3TiO239——
本文标题:Fe2O3掺杂TiO2催化超声降解染料工业废水的研究任百祥
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