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Catalytic oxidation of gaseous benzene with ozone over zeolite-supported metal oxide nanoparticles at room temperature

Paper ID Volume ID Publish Year Pages File Format Full-Text
53641 46977 2015 7 PDF Available
Title
Catalytic oxidation of gaseous benzene with ozone over zeolite-supported metal oxide nanoparticles at room temperature
Abstract

•Highly dispersed metal oxide nanoparticles were prepared with ZSM-5 support.•MnO2/ZSM-5 showed the best activity toward catalytic ozonation of benzene.•Benzene removal is closely related to the capacity for catalytic ozone decomposition.

To improve the capacity for complete oxidation of gaseous benzene by catalytic ozonation, a series of metal oxides catalysts (Mn, Co, Ni, Cu, Zn and Ce) were prepared by impregnation method using ZSM-5 zeolite as the support. The developed metal oxides were highly dispersed in nanosize on the support. Among them, MnO2/ZSM-5 showed the best activity toward catalytic ozonation of benzene. Benzene can be completely removed even at room temperature and CO2 selectivity reached 84.7%. MnO2/ZSM-5 was quite effective due to the production of highly reactive oxidizing species from ozone decomposition. The activities toward benzene catalytic ozonation are closely related to the capacity for ozone decomposition.

Graphical abstractHighly dispersed MnO2 nanoparticles showed the best activity towards catalytic ozonation of benzene.Figure optionsDownload full-size imageDownload high-quality image (189 K)Download as PowerPoint slide

Keywords
Metal oxides; MnO2/ZSM-5; Catalytic ozonation; Benzene; CO2 selectivity
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Catalytic oxidation of gaseous benzene with ozone over zeolite-supported metal oxide nanoparticles at room temperature
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 258, Part 2, 1 December 2015, Pages 627–633
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