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Role of metals loaded on a TiO2 surface in the oxidation of xylene in air using an electron beam irradiation/catalytic process

Paper ID Volume ID Publish Year Pages File Format Full-Text
42794 45941 2009 6 PDF Available
Title
Role of metals loaded on a TiO2 surface in the oxidation of xylene in air using an electron beam irradiation/catalytic process
Abstract

Catalytic oxidation of xylene in air was performed under electron beam (EB) irradiation using pure TiO2 as well as TiO2 loaded with Ag, Pt, Au, or Mn to clarify the role of loaded metal in the enhancement of oxidation of xylene and its irradiation byproducts to CO2 in EB-induced non-thermal plasmas. EB irradiation experiments were performed with the catalyst bed placed in both irradiated and non-irradiated spaces. The highest conversion percentage of decomposed xylene to CO2 was obtained by irradiation/catalytic oxidation using an Ag/TiO2 bed placed in a non-irradiated space. The greater enhancement of CO2 production on an Ag/TiO2 pellet surface compared to that on other metal-loaded TiO2 pellet surfaces was due to the synergetic effect of strong adsorption of the byproducts on the Ag loaded on TiO2 and production of active oxygen from decomposition of O3 in the presence of Ag.

Graphical abstractThis work aimed at clarifying the role of metal loaded on TiO2 in enhancing the oxidation of organics in electron-beam-induced non-thermal plasmas. The CO2 production abilities of TiO2 loaded with various metals were evaluated. Ag/TiO2 had the greatest CO2 production ability because of the synergy between adsorption of organics and production of active oxygen from O3 decomposition.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Non-thermal plasma; TiO2; Metal-loaded TiO2; Electron beam; Xylene
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Role of metals loaded on a TiO2 surface in the oxidation of xylene in air using an electron beam irradiation/catalytic process
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 357, Issue 2, 15 April 2009, Pages 244–249
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us