Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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A Study on Toluene Oxidation Reaction Characteristics of Ni-Based Catalyst in Induction Heating System

유도가열 시스템을 이용한 Ni계 촉매의 톨루엔 산화 반응 특성 연구

  • Lee, Ye Hwan (Department of Environmental Energy Engineering, Graduate School of Kyonggi University) ;
  • Kim, Sung Chul (Department of Environmental Energy Engineering, Kyonggi University) ;
  • Kim, Sung Su (Department of Environmental Energy Engineering, Kyonggi University)
  • 이예환 (경기대학교 일반대학원 환경에너지공학과) ;
  • 김성철 (경기대학교 환경에너지공학과) ;
  • 김성수 (경기대학교 환경에너지공학과)
  • Received : 2021.09.29
  • Accepted : 2021.10.22
  • Published : 2021.12.10
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Abstract

Research on induction heating catalyst system was conducted to solve problems of the existing catalyst system for removing volatile organic compounds. In the present study, three types of Ni-based commercial catalysts were employed, and induction heating reaction characteristics including the catalyst volume, composition, heat treatment atmosphere, and position in the coil were investigated. The composition and volume of the catalyst affected the exothermic and toluene oxidation performance in the induction heating system. In particular, the Fe-added catalyst showed high exothermic performance compared to that of other catalysts consisting of more than 99% Ni, but had low toluene oxidation performance. In addition, the heat treatment in an air atmosphere of the Ni-based catalyst drastically reduced the performance. In the induction heating system, the optimal condition for the catalyst was to be located in the center of the coil. The catalyst showed similar activities among seven repeated experiments under the optimal condition derived from this work.

휘발성유기화합물을 제거하기 위한 기존 촉매 시스템의 문제를 해결하고자 유도가열 촉매 시스템에 대한 연구를 수행하였다. 본 연구에서는 3종류의 Ni계 상용촉매를 적용하였으며, 촉매 부피, 조성, 열처리 분위기, 코일 내 위치를 포함한 유도가열 반응 특성을 조사하였다. 촉매의 조성 및 부피는 유도가열 시스템에 의한 발열 및 톨루엔 산화 성능에 영향을 미쳤다. 특히 철이 첨가된 촉매는 99% 이상의 Ni로 구성된 촉매에 비해 높은 발열을 나타내었으나 낮은 톨루엔 산화 성능을 나타내었다. 또한 Ni계 촉매의 열처리에 있어 공기 분위기는 촉매의 성능을 급격히 저하시킨다. 유도가열 시스템에서 촉매는 코일 내 중심에 위치하는 것이 최적 조건으로 나타났다. 연구를 통해 도출한 최적의 조건에서 촉매를 7회 반복 실험하였으며, 유사한 성능을 확인하였다.

Keywords

Acknowledgement

본 연구는 경기녹색환경지원센터(2021년도 연구개발사업)의 연구비 지원에 의해 수행되었으며 이에 감사드립니다.

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