Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Catalytic Oxidation of Toluene by Manganese Oxide: (II) Support and Precursor Effect

망간 산화물에 의한 톨루엔 촉매 산화 반응: (II) 담체 및 전구물질 영향

  • 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)
  • Published : 2005.06.01
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Abstract

Catalytic oxidation of toluene in low concentrations was investigated over various supports. As the manganese oxides loading was increased, the conversion of toluene increased at a lower temperature. The 18.2 $wt\%$ $Mn/\gamma-Al_2O_3$ appeared to be the most active catalyst. Among the supports, $\gamma-Al_2O_3$ was more active than $TiO_2$ and $SiO_2$. Manganese oxide catalysts prepared from manganese nitrate precursor were better for complete oxidation of toluene than those prepared from manganese sulfate and chloride precursor because sulfate from manganese sulfate and chloride from chloride manganese remained even after the calcination by XRD (X-Ray Diffraction) analyses.

Keywords

References

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