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http://dx.doi.org/10.5322/JES.2005.14.4.427

Toluene Catalytic Oxidation by Manganese-Cerium Bimetallic Catalysts  

Cheon Tae-Jin (Department of Environmental Science and Engineering, Keimyung University)
Choi Sung-Woo (Department of Environmental Science and Engineering, Keimyung University)
Lee Chang-Soep (Department of Chemistry, Keimyung University)
Publication Information
Journal of Environmental Science International / v.14, no.4, 2005 , pp. 427-433 More about this Journal
Abstract
Activity of manganese oxide supported on ${\nu}-Al_2O_3$ was increased when cerium was added. Also, cerium-added manganese oxide on ${\nu}-Al_2O_3$ was more effective in oxidation of toluene than that without cerium. XRD result, it was observed that $MnO_2+CeO_2$ crystalline phases were present in the samples. For the used catalyst, a prominent feature has increased by XPS. TPR/TPO profiles of cerium-added manganese oxide on ${\nu}-Al_2O_3$ changed significantly increased at a lower temperature. The activity of $18.2 wt{\%}\;Mn+ 10.0 wt{\%}\;Ce/{\nu}-Al_2O_3$ increased at a lower temperature. The cerium added on the manganese catalysts has effects on the oxidation of toluene.
Keywords
Cerium-added manganese oxide; XPS; TPR/TPO;
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