Fe3TiO2薄膜光催化降解含阿奇霉素废水的研究郭忠

3610200710　　　AppliedChemicalIndustryVol.36No.10Oct.2007:2007-08-25:(1963-),,,,,,TiO2。:0797-6131957,E-mail:[e-mail]3+/TiO2郭忠1,2,张宁1,廖禹东1,2(1.,　330046;2.,　341000)　:-Fe3+/TiO2。,,pH6.4,、、。,pH6.4,2.5g/L,150min,Fe3+/TiO2,。:;Fe3+/TiO2;:X703　　　:A　　　:1671-3206(2007)10-1000-03StudyondegradationofazithromycionwastewaterwithFe3+/TiO2filmGUOZhong1,2,ZHANGNing1,LIAOYu-dong1,2(1.DepartmentofChemistry,NanchangUniversity,Nanchang330046,China;2.DepartmentofChemistry,GanzhouMedicalSchool,Ganzhou341000,China)Abstract:Fe3+/TiO2Filmwaspreparedbysol-gelmethod.PhotocatalyticdegradationofazithromycionwasterwaterwasexaminedbyFe3+/TiO2filmundertheultravioletillumination.Effectofthetimeoful-travioletlight,initialmassconcentration,differentfilmsandthecontinuitydegradationonazithromycionwastewaterwereinvestigatedsystematically.ExperimentalresultsshowthatthebetterphotodegradationofnanoparticleundertheconditionofpH6.4,150min,initialmassconcentration2.5g/L,andtheenergi-vesofdegradationwastewaterbycontinuitydegradationhasenhanced.Keywords:azithromycion;Fe3+/TiO2film;photocatalysisdegradation　　“”,,,。,,,,,。,TiO2,、、,、,CO2,H2O,PO3-4,SO2-4,NO-3[1]。TiO2[2-5]。TiO2,、、。,TiO2,,TiO2。TiO2。,-[6]Fe3+/TiO2,,20W,,Fe3+/TiO2、、。1　1.1　、;;(,pH6.4)。723;CJ-78-1A;DOI:10.16581/j.cnki.issn1671-3206.2007.10.02810:Fe3+/TiO2ZK-82A;2800;200W;(1mm×25.5mm×75.5mm)。1.2　:,,,,10mL0.1g/L,、、。24h,,,,250℃,2h,Fe3+/TiO2。:-600℃Fe3+/TiO2,,,,,Fe3+/TiO2。1.3　200mL2.5g/L,pHpH,,(75.5mm,25.5mm),(2800r/min),,20W,30min1,350nm,。2　2.1　Fe3+/TiO2　　　　Fe3+/TiO2,,1。1　Table1　Relationshipbetweendegradationrateandtimeofseveralcatalysts/%30min60min90min120min150min180minFe3+/TiO21.36.419.823.926.526.8Fe3+/TiO22.619.823.627.328.128.1Fe3+/TiO22826.825.725.325.3　　1,,,。,,,。,,,Fe3+/TiO2。,,。2.2　2h,,,200℃,,2。2　Fe3+/TiO2Table2　DegradationrateofserialdegradationofFe3+/TiO2film/%2min4min6min8minFe3+/TiO227.343.753.359.9Fe3+/TiO228.033.833.733.5　　2,,,,。2.3　pHHClNaOHpH,,pHFe3+/TiO2,2h1。1　pHFig.1　EffectofpHonphotocatalyticdegradation　　1,pH,,pH6.4。pH。。2.4　1～3g/L,1.3,2。　　2,,。,,2.5g/L,。,,,。,,。1001362　Fig.2　Relationshipbetweeninitialconcentrationanddegradationrateofazithromycinwastewater2.5　,:①、;②、,3。3　Fig.3　Effectofoutsideelementondegradationrate1.;2.、;3.、　　3,Fe3+/TiO2。Fe3+/TiO2,,,Fe3+/TiO2。3　(1)Fe3+/TiO2Fe3+/TiO2Fe3+/TiO2。(2),。pH6.4,2.5g/L,150min,Fe3+/TiO2,。(3),Fe3+/TiO2。:[1]　,,.[J].,2003,23(3):1-4.[2]　,,.[J].,2004(12):25-28.[3]　,,,.TiO2[J].,2000,10(4):5-9.[4]　,,,.-[J].,2002,24(4):38-46.[5]　,.TiO2[J].,2006,29(12):71-79.[6]　,,,.Ag+TiO2、[J].,2005,13(5):23-25.(999)3　　　,、、。,,。,,,,,。:[1]　.[J].:,1999,5(3):27-28.[2]　.[J].,2007,26(9):131-134.[3]　,,.[J].,1998,21(2):88-89.[4]　,,.[J].,2003,25(3):265-266.[5]　,.[J].,2006,29(10):1090-1092.1002