| Photocatalytic reaction kinetics model based on electrical double layer theory Ⅲ.Surface complexation model of methyl orange adsorption on TiO_2 surface |
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| 引用本文： | 李新军,李芳柏,古国榜,柳松,王良焱,梁园园. Photocatalytic reaction kinetics model based on electrical double layer theory Ⅲ.Surface complexation model of methyl orange adsorption on TiO_2 surface[J]. 中国有色金属学会会刊, 2003, 13(2) |
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| 作者姓名： | 李新军 李芳柏 古国榜 柳松 王良焱 梁园园 |
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| 作者单位： | Guangzhou Institute of Energy Conversion，Chinese Academy of Sciences，Guangdong Key Laboratory of Agricultural Environment Pollution Integrated Control，Guangdong Institute of Eco Environment and Soil Science，Department of Applied Chemistry，South China University of Technology，Department of Applied Chemistry，South China University of Technology，Guangzhou Institute of Energy Conversion，Chinese Academy of Sciences，Department of Applied Chemistry，South China University of Technology Guangzhou 510070，China，Guangzhou 510650，China，Guangzhou 510640，China，Guangzhou 510640，China，Guangzhou 510070，China，Guangzhou 510640，China |
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| 基金项目： | Project( 0 10 873and 0 10 15 1)supportedbytheNaturalScienceFoundationofGuandongProvince，China，Project(A3 0 40 3 0 1)supportedbytheScience&TechnologyDevelopmentFoundationofGuangdongProvince，China |
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| 摘 要： | 1 INTRODUCTIONTiO2 heterogeneousphotocatalysisisarelativelyinnovativetechnologyforthedegradationofgaseousoraqueousorganicpollutants .Therewereanumberofliteraturesrelatedtotheeffectofphotocatalyst ,re actordesign ,solutioncomposition ,theorganicsub strate ,lightintensityonthereactionrateandkinet ics[16 ] .Theinvestigationofintermediatesandprod uctshadbeenfocusedonbymeansofGC MS ,ESR ,FTIRandionchromatography[7,8] .However ,onlyfew papersrelatedtotheinteractionsbetweenorganicmatterand…
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Photocatalytic reaction kinetics model based on electrical double layer theory Ⅲ.Surface complexation model of methyl orange adsorption on TiO2 surface |
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| LI Xin jun ,LI Fang bai ,GU Guo bang LIU Song ,WANG Liang yan ,LIANG Yuan yuan. Photocatalytic reaction kinetics model based on electrical double layer theory Ⅲ.Surface complexation model of methyl orange adsorption on TiO2 surface[J]. Transactions of Nonferrous Metals Society of China, 2003, 13(2) |
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| Authors: | LI Xin jun LI Fang bai GU Guo bang LIU Song WANG Liang yan LIANG Yuan yuan |
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| Affiliation: | LI Xin jun 1,LI Fang bai 2,GU Guo bang 3 LIU Song 3,WANG Liang yan 1,LIANG Yuan yuan 3 |
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| Abstract: | Based on the infrared characterization of methyl orange adsorption on TiO 2 surface and the titration of TiO 2, the triple layer model of methyl orange adsorption on TiO 2 was established according to electric double theory. The software FITEQL3.1 was applied to calculate the distribution of organic adsorption on TiO 2 surface by introducing dummy components to help to overcome mathematical difficulties. It is shown that the chem. adsorption species of methyl orange have a great adsorption amount. The adsorption constants of three kinds of surface complexation expressed as SOH +org -,SOH 2org 2 and SOHorg - are 5.98, 17.57 and -4.2, respectively. |
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| Keywords: | adsorption methyl orange TiO 2 surface complexation photocatalysis |
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