MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Nanostructured CeO2–Al2O3 Catalytic Powders for m-Xylene and Toluene Combustion
Luu M. DaiDao Ng. NhiemDuong Th. LimNguyen D. Van
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2013 Volume 54 Issue 6 Pages 1060-1062

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Abstract

The bee’s nest-like nanostructured CeO2–Al2O3 powders were synthesized by combustion method using polyvinyl alcohol as a fuel and their catalytic activity were tested in the m-xylene and toluene combustion. The results showed that the catalytic reaction temperature increased monotonically from 200 to 250°C and from 250 to 300°C for the 90% conversion of m-xylene and toluene, respectively, with the calcination temperature in the range of 450–850°C. For both combustions, the sample calcined at 450°C with a bee’s nest-like nanostructure and average pore size of 800 nm exhibited the highest catalytic activity. Among the samples calcined at 850°C, the lowest catalytic reaction temperature for the 90% conversion of m-xylene and toluene of 250 and 300°C, respectively, was found with the sample having the equimolar ratio of Ce/Al.

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© 2013 The Japan Institute of Metals and Materials
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