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Low-temperature catalytic oxidation of toluene over mesoporous MnOx–CeO2/TiO2 prepared by sol–gel method

Paper ID Volume ID Publish Year Pages File Format Full-Text
51076 46828 2010 4 PDF Available
Title
Low-temperature catalytic oxidation of toluene over mesoporous MnOx–CeO2/TiO2 prepared by sol–gel method
Abstract

Sol–gel-made MnOx/TiO2 and MnOx–CeO2/TiO2 catalysts were used for low-temperature catalytic oxidation of toluene. The samples were characterized by X-ray diffraction (XRD), nitrogen adsorption–desorption, transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS). The addition of ceria into MnOx/TiO2 could greatly improve its activity. Toluene conversion at 180 °C increased dramatically from 57.6% with ceria-free catalyst to 89.4% with the most active ceria-modified catalyst (Ce/Ti = 0.05). The enrichment of well-dispersed amorphous nonstoichiometric manganese oxides and available active oxygen species on the surface of catalysts were considered as main reasons of the enhanced activity after ceria addition.

Keywords
MnOx–CeOx/TiO2 catalyst; Sol–gel method; Catalytic oxidation; Toluene; Ceria modification
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Low-temperature catalytic oxidation of toluene over mesoporous MnOx–CeO2/TiO2 prepared by sol–gel method
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 8, 31 March 2010, Pages 788–791
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