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A Study on the Reaction Characteristics of the NH3 Oxidation over W/TiO2

W/TiO2 촉매의 NH3 단독 산화 반응 특성 연구

  • Kim, Geo Jong (Department of Environmental Energy Systems Engineering, Graduate School of Kyonggi University) ;
  • Lee, Sang Moon (Department of Environmental Energy Systems Engineering, Graduate School of Kyonggi University) ;
  • Hong, Sung Chang (Department of Environmental Energy Systems Engineering, Kyonggi University)
  • 김거종 (경기대학교 일반대학원 환경에너지시스템공학과) ;
  • 이상문 (경기대학교 일반대학원 환경에너지시스템공학과) ;
  • 홍성창 (경기대학교 환경에너지시스템공학과)
  • Received : 2013.08.07
  • Accepted : 2013.09.16
  • Published : 2013.12.10

Abstract

In this study, we investigated the $NH_3$ oxidation reaction characteristic over $W/TiO_2$ catalyst in order to control $NH_3$ generated from a thermoelectric power plant or incinerator. As a result, it was found that the optimal content of tungsten in $W/TiO_2$ catalyst is 10 wt% and $NH_3$ removal efficiency decreased due to decreasing specific surface areas of catalyst with increasing tungsten contents. When $NH_3$ was injected more than 420 ppm, $NH_3$ conversion decreased at the middle temperature range. In addition, $NH_3$ conversion decreased due to the competitive adsorption of moisture and with increasing oxygen concentration, the $NH_3$ conversion increased while the $N_2$ selectivity decreased.

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