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High-efficient degradation of benzene over Pt/TiO2 by adding a small amount of H2 under a mild condition

Paper ID Volume ID Publish Year Pages File Format Full-Text
51109 46830 2011 4 PDF Available
Title
High-efficient degradation of benzene over Pt/TiO2 by adding a small amount of H2 under a mild condition
Abstract

At low temperature, benzene is decomposed rapidly over Pt/TiO2 by adding a small amount of H2 into an O2-rich oxidation system. At 120 °C, the conversion and mineralization ratio of benzene is 86% and 68% respectively. Effects of H2 amount, reaction temperature and dispersion of Pt particles on the activity and stability of Pt/TiO2 are studied. Over the catalyst with high Pt dispersion, the addition of H2 is supposed to not only produce the energy for the benzene degradation but also promote the generation of hydroxyl radicals to mineralize benzene. Therefore, the activity and stability of Pt/TiO2 can be enhanced.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► The benzene degradation is improved by the addition of H2. ► The durability of Pt/TiO2 is enhanced due to the addition of H2. ► The effects of H2 are the in-situ formation of thermal energy and ·OH radicals.

Keywords
Hydrogen; Catalytic oxidation; Benzene; Low temperature
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High-efficient degradation of benzene over Pt/TiO2 by adding a small amount of H2 under a mild condition
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 7, 10 March 2011, Pages 621–624
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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