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SynergisticeffectofsurfactantandbiomimeticphotodegradationLaoXueling1,WuQin1,LüTong2(1.SchoolofChemistryandChemicalEngineering,SouthChinaUniversityofScience&Technology,Guangzhou510640,China;2.SchoolofMaterialScienceandChemicalEngineering,TianjinPolytechnicUniversity,Tianjin300160,China)1,1,2(1.,510640;2.,300160)[],,H2O2,,。,(PVA)、(DBS)(OP-10)。[];;;[]X703.1;TQ032[]A[]1005-829X(2009)06-0020-04Abstract:Undertheirradiationofvisiblelight,thebiomineticphotocatalyst,sulfophthalocyanin,hasverygoodcatalyzingcapacity.ItmakesH2O2becomemoreeffectiveonoxidizingthemalachitegreensimulatedprintinganddyeingwastewater.Andthesurfactantsinthewastewaterwillhavesynergisticeffectonthebiomimeticphotodegra-dation.Inthisresearch,theeffectofthethreekindsofdifferentsurfactantsonthebiomimeticphotodegradationisstudied.Theresultshowsthatpolyvinylalcohol(PVA),sodiumdodecylbenzenesulfonate(DBS),andpolyoxyethy-leneether(OP-10)allhavesynergisticeffectonthephotodegradation.Keywords:biomimeticphotocatalyst;printing&dyeingwastewater;surfactant;synergisticeffect[](2004AA301C77)29620096IndustrialWaterTreatmentVol.29No.6Jun.,2009〔1〕,,。()、、、〔2〕,,〔3〕。、、、、、〔4〕。,,;,;CO2H2O,〔5〕。。M.Sanchez〔6〕2,4,6-。2003Fe(),,〔7〕。〔8〕,(FePcS)。FePcS,,〔9〕。、FePcS〔10〕,。,。11.1:Vis-7220,;HI99721,;(250W),20——2009-06,29(6);UV-2401PC,SHIMADZU;TENSOR37,。:();、、(DBS)、(PVA)、(OP-10),。1.25mg/L,。1.31.3.1PVAPVA。150mL,PVA,PVA0.8、1.6、3.2mg/L。,1.3mmol/L,10.0mg/L,,,,(D),(1):D=(A0-A)/A0×100%:A0———;A———。COD、-。1.3.2DBS150mL,DBS,DBS7.1、14.2、28.4mg/L,,1.3mmol/L,10.0mg/L,。1.3.3OP-10150mL,OP-10,OP-100.6、1.4、3.2mg/L。,1.3mmol/L,10.0mg/L,。1.3.4(25℃),,。22.1PVAPVA1。1,,PVA,PVA。PVA3.2mg/L,81.4%70min,PVA300min,PVAFe2+,PVA,,PVA,pKa,,,PVA〔9〕。617nm,PVA2-。PVA。PVA,PVA,3.3mg/L,,COD78.8mg/L10.4mg/L(440min),86.8%,10080604020050100150200250300/min/%PVA0.8mg/L1.6mg/L3.2mg/L1PVA3.53.02.52.01.51.00.50200300400500600700800/nm0min120min540min2PVA-,:21——2009-06,29(6)COD69.8mg/L12.2mg/L(440min),82.5%。FePcS,PVA,(440min),PVA,PVA,3。3,,—C=C—(1587.5cm-1)C—N(1375.2cm-1),PVAC—O(1099.4cm-1),PVA。2.2DBSDBS4。4,DBS。DBS,,DBS,。DBS,、、、〔11〕,DBS,,,〔12〕,DBS。DBS。DBS,DBS(33.33mg/L),。:COD70.1mg/L13.5mg/L(440min),COD80.7%,COD80.5mg/L12.6mg/L(440min),COD84.4%。DBS,DBS。(440min),,DBS,DBS,,5。5,,—C=C—(1587.3cm-1)C—N(1369.4cm-1),DBSC—H(2924.0cm-1)C—S(617.2cm-1)。2.3OP-10OP-106。+PVA+FePcS1099.41099.4PVA1587.51375.2350030002500200015001000500/cm-13PVA100908070605040302010020406080100120140/minDBS7.1mg/L14.2mg/L28.4mg/L/%4DBS100806040200100200300400500600OP-100.6mg/L1.4mg/L3.2mg/L/min/%6OP-10+DBS+FePcSDBS2923.92924.01587.31369.4615.2617.2350030002500200015001000500/cm-15DBS22——2009-06,29(6)6,OP-10,。OP-10,,OP-10,,,,、〔12〕,OP-10。OP-10(0.4g/L),440min,,OP-10,7-(OP-10-280nm)。OP-10,8。8,,—C=C—(1587.3cm-1)C—N(1367.5cm-1),OP-10—O—(1114.2cm-1),OP-10。3PVA、DBS、OP-10。PVADBS,,。PVA1.6mg/L300min99.0%,DBS28.4mg/L120min95%。OP-10,OP-10:540min97%,OP-101.4mg/L,540min90.4%。PVA、DBS、OP-10,440min,,,。[][1],.[J].,2002,92(3):15-17.[2],,,.[J].,2005,32(5):210-213.[3]Pérez-EstradaLA,AgüeraA,HernandoMD,etal.Photodegra-dationofmalachitegreenundernaturalsunlightirradiation:kineticandtoxicityofthetransformationproducts[J].Chemosphere.2007,70(11):2068-2075.[4],,,.[J].,2007,59(1):60-62.[5],,,.[J].,2007,36(5):14-18.[6]SanchezM,HadaschA,RabianA,etal.Oxidationof2,4,6-trichlorophenolcatalyzedbyironphthalocyaninescovalentlyboundtosilica[J].ComptesRendusdeI'AcadémiedesSciencesSeriesC-Chem.,1999,2(4),241-250.[7],,.Fe-TiO2/SiO2[J].,2003,23(4):503-507.[8],,,.[J].,2005,26(7):545-549.[9],,,.[J].,2005,22(6):401-408.[10]HuangYingping,LiJing,JimmyCY,etal.EfficientH2O2oxi-dationoforganicpollutantscatalyzedbysupportedironsul-fophenylporphyrinundervisiblelightirradiation[J].Phys.Chem.B,2004,108(22):7263-7270.[11],,,.SDS[J].,1998,14(2):147-153.[12].[M].:,2006:70-114.4.03.53.02.52.01.51.00.502003004005006007008000120min540min7OP-10-/mm+OP-10+FePcSOP-101114.21587.31367.5350030002500200015001000500/cm-18OP-10[](1984—),2007。:15902045587,E-mail:laoxl2005@126.com。[]2008-12-01(),:23——
本文标题:表面活性剂与仿生光催化氧化的协同效应劳雪玲
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