Combustion of Toluene Catalyzed by Pt/Co3O4/CeO2-ZrO2-SnO2/r-Al2O3

Min Yeong Kim, Tomoya Kamata, Toshiyuki Masui, Nobuhito Imanaka

Abstract


A 1wt%Pt/Co3O4/CeO2-ZrO2-SnO2/r-Al2O3 catalyst was prepared to realize complete combustion of toluene at the lowest temperature possible without excessive use of platinum particles. The addition of Co3O4 to Pt/ CeO2-ZrO2-SnO2/r-Al2O3 as a promoter was effective in decreasing the amount of platinum without significant reduction in the catalytic activity. The highest activity for the combustion of toluene was observed using the 1wt%Pt/11wt%Co3O4/16wt%Ce0.62Zr0.20Sn0.18O2.0/r-Al2O3 catalyst, and despite a smaller platinum loading in the present catalyst, toluene was completely oxidized to carbon dioxide and water vapor at a lower temperature of 160 oC compared to that using 5wt%Pt/r-Al2O3 at 170 oC.


Full Text: PDF DOI: 10.5539/jmsr.v2n3p51

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Journal of Materials Science Research   ISSN 1927-0585 (Print)   ISSN 1927-0593 (Online)

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