Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Decomposition of Toluene by γ-Al2O3 Catalysts Impregnated with Transition Metal

전이금속을 함침한 γ-Al2O3 촉매의 Toluene 분해

  • Choi, Sung-Woo (Department of Environmental Science and Engineering, Keimyung University) ;
  • Lee, Chul-Kyu (Department of Environmental Science and Engineering, Keimyung University)
  • Received : 2012.12.04
  • Accepted : 2013.04.17
  • Published : 2013.08.31
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Abstract

Alumina-supported catalysts containing different transition metals such as Cu, Cr, Mn, Zn, Co, W were investigated for their activity in the selective oxidation of toluene. Catalytic oxidation of toluene was investigated at atmospheric pressure in a fixed bed flow reactor system over transition metals with $Al_2O_3$ catalyst. The result showed the order of catalytic activities for the complete oxidation of toluene was Mn > Cu> Cr> Co> W> Zn for 5wt.% transition $metals/Al_2O_3$. $Mn/Al_2O_3$ catalysts containing different amount of Mn were characterized by X-ray diffraction spectroscopy for decision of loading amount of metal to alumina. 5 wt.%$Mn/Al_2O_3$ catalyst exhibits the highest catalytic activity, over which the toluene conversion was up to 90% at a temperature of $289^{\circ}C$.

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