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Low-Temperature Catalytic Combustion of VOCs over MnOx–ZnO Mixed Oxides Supported on Cordierite Ceramic

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Abstract:

Catalytic combustion of VOCs was investigated over Mn–Zn mixed oxides supported on cordierite ceramic (Cord) and over the promoted Mn-Zn oxides with γ–Al2O3 coating. The properties and performance were characterized by using the XRD, SEM, BET, and TPD techniques. Mn-Zn oxides catalysts with different kinds of γ–Al2O3 sol coating were found to possess a high activity, and the Mn–Zn/γ–Al2O3/Cord (Mn/Zn=2) was identified as the most active that the temperature of complete combustion of toluene was 250°C. Effects of variation of preparation conditions, including molar ratio of Mn and Zn, loading, calcination temperature and different kinds of γ–Al2O3 dipping were investigated.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

671-675

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.671

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Online since:

July 2014

Authors:

Qiong Huang*, Ying Wen Chen, Shu Bao Shen, Min Dong Chen

Keywords:

Catalytic Combustion, Cordierite, MnOx–ZnO/Cord Catalyst, VOCS

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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