Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Decomposition Characteristics of Aniline Treated in Fe2O3 Supported γ-Alumina Catalyst and O3

Fe2O3γ-Al2O3 세라믹촉매와 오존을 이용한 아닐린의 분해특성

  • Park, Byung-Ki (Center of Chemical Engineering, Korea Research Institute of Chemmical Technology) ;
  • Suh, Jeong-Kwon (Center of Chemical Engineering, Korea Research Institute of Chemmical Technology) ;
  • Lee, Jung-Min (Center of Chemical Engineering, Korea Research Institute of Chemmical Technology)
  • 박병기 (한국화학연구원 화학공정연구센터) ;
  • 서정권 (한국화학연구원 화학공정연구센터) ;
  • 이정민 (한국화학연구원 화학공정연구센터)
  • Published : 2005.04.01
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Abstract

We prepared the cylindrical $\gamma-alumina$ pellets of 5 mm in diameter and 10 mm in average length using amorphous alumina and pore generating agent. The pellets were immersed in an aqueous solution of the mixture of $Fe(NO_{3})_{3}{\cdot}9H_{2}O$ and $CH_{3}COOH$. They were then hydrothermally treated at $200^{\circ}C$ for 3 h in autoclave, dried and calcined. For the application as an environmental catalyst, we investigated the decomposition characteristics of aniline and the initiation characteristics of $OH^{\cdot}$ conversion action in $O_{3}$ environment with or without the $Fe_{2}O_{3}$ supported y-alumina catalyst and $O_{3}$ molecule.

비정질알루미나와 기공형성제에 물을 혼합하여 원통형으로 성형하고 수화한 다음, 건조 및 소성하여 직경 5mm, 평균 길이 약 10mm의 $\gamma-$알루미나 펠릿을 제조하였다. 이를 $Fe(NO_{3})_{3}{\cdot}9H_{2}O$용액과 $CH_{3}COOH$ 혼합용액에 침척시켜 $200^{\circ}C$ 온도로 3시간 수열처리한 후, 건조하고 소성하여 촉매를 제조하였다. 이와 같이 수열법에 의해 제조된 $Fe_{2}O_{3}/\gamma-Al_{2}O_{3}$ 세라믹촉매를 환경촉매로 적용하기 위해, 아닐린과 같은 난분해성물질을 촉매를 사용하지 않는 오존단독공정과 촉매를 사용하는 촉매오존(catalytic ozonation)공정으로 구분하여 $OH^{\cdot}$ 라디칼 전환반응 개시제로서의 기능과 그 분해특성을 비교하였다.

Keywords

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