TiO2浮石复合材料降解印染废水的研究国营

35320099()JournalofYanbianUniversity(NaturalScience)Vol.35No.3Sep.2009:2009-04-10＊:(1954—),,,.:1004-4353(2009)03-0259-04TiO2/国营,　金东日,　王大力,　王清珊＊(,133002):,-TiO2,B.TiO2/、pHB.:500℃、4TiO2/B10h,76.67%;pH2,30%H2O2,89.10%.:TiO2/;;B;;:TQ630.49　　　　　:ATheResearchonTiO2/PumiceCompositesDegradationofWastewaterfromPrintingandDyeingGUOYing,　JINDong-ri,　WANGDa-li,　WANGQing-shan＊(DepartmentofChemistry,CollegeofSciences,YanbianUniversity,Yanji133002,China)Abstract:ThenaturalpumicefromtheChangbaiMountainwastakenasacarrierofthecatalyst.WiththemethodofSol-GelwaspreparedTiO2photocatalystandusethisphotocatalystdealwithrhodamineBanddyeingwastewater.StudiedthedegradationeffectofrhodamineBoncoatingtimes,lightapplicationtime,oxidizerandpHofthewastewater,andusethisphotocatalystdealwiththewastewater.Theresultsindicatedthatwhentreatment10hundertheconditionofcalcinationstemperaturewas500℃,coating4times,thedecolourizationratioachieved76.67%.WhenthepHofthewastewaterwas2,added30%H2O2,thedecol-ourizationratioofthewastewaterachieved89.10%.Keywords:TiO2/pumice;photocatalyst;rhodamineB;printinganddyeingwastewater;decolourizationratio0　TiO2,,[1-2].,TiO2、,,.[3-4].、、,,.、.,SiO2、Al2O3.,(50nm),.TiO2[3].DOI:10.16379/j.cnki.issn.1004-4353.2009.03.016()35　,TiO2/,.1　1.1　(0.5cm),.15min,110℃.1.2　TiO217mL,40mL,30minA;10mL5mL40mL,30minB;AB(30min),30min,TiO2.1.3　TiO2/TiO2,15min,24h;TiO2,,500℃,3h,,TiO2/.TiO2/.1.4　TiO2/B(1.5mW/cm2),TiO2/4mg/LB,1～3h,;UV-3010B,,,.2　X(Rigakuclmax/Ⅲ-C,Cu)TiO2/.X,TiO2/SiO2TiO2(1).1　TiO2/XRD2.1　40mL5mg/LB,TiO2/.,10h.(2).2,,,3,.4(0.5817g),10h,76.67%.:,TiO2,;,TiO2,,[4].2　2.2　,BTiO2/,B,,12h.B,TiO2/B(3).260　3,:TiO2/3　B2.3　pHTiO2/,pH4.4:pH2.27,,.pH,TiO2,.4　pH2.4　5.5,,.:H2O2,;·OH,.,,,.,,TiO2.5　50mL,pH2,H2O2,,TiO2/9h,89.10%(6).TiO2/.TiO2/,.6　TiO2/261()35　3　,-TiO2/.4、500℃TiO2/B.pH.(pH=2),,TiO2/89.10%.:[1]　,,,.X-3B[J].,2004,24(1):1-4.[2]　,.[J].:,2004,21(3):230.[3]　,,,.[J].,2007(2):67-69.[4]　.[J].,1992,87(3):26-29.(255)3　-,,,.,,、.,PE/SiO2PE,,,、、.:[1]　,,,.[J].,2008,24(2):56-58.[2]　,,,.PET/SiO2[J].,2006,22(4):169-171.[3]　,,,.SiO2UHM-WPE[J].,2005,32(3):38-41.[4]　,,.[J].,2007,17(6):63-68.[5]　,,,.SiO2PET[J].,2004,17(1):16-18.[6]　,.[J].,2005,33(4):59-60.[7]　,,,.SiO2[J].,2002,16(1):37-40.262