Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Decomposition Characteristics of 4-Chlorophenol Treated in Fe2O3 Supported γ-Alumina Catalyst and O3

Fe2O3/γ-Al2O3 세라믹촉매와 오존을 이용한 4-클로로페놀의 분해특성

  • 박병기 (한국화학연구원 화학공정연구센터) ;
  • 이정민 (한국화학연구원 화학공정연구센) ;
  • 서동수 (충남대학교 재료공학과)
  • Published : 2004.06.01
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Abstract

We prepared cylindrical y-alumina pellets using amorphous alumina and pore generating agent. The pellets were immersed in an aqueous solution of the mixture of Fe(NO$_3$)$_3$ㆍ9$H_{2}O$ and $CH_3$COOH. They were then hydrothermally treated at 20$0^{\circ}C$ for 3 h in autoclave, dried and calcined. For the application of environmental catalyst for its, we investigated the decomposition characteristics of 4-chlorophenol and the initiation characteristics of OH' conversion action in $O_3$ environment with or without the Fe$_2$O$_3$ supported ${\gamma}$-alumina catalyst and $O_3$ molecule.

비정질알루미나와 기공형성제를 물과 혼합하여 원통형으로 성형하고 수화, 건조 및 소성하여 직경 5mm의 ${\gamma}$알루미나 펠릿을 제조하였다. 이를 Fe$(NO_{3})_{3}$.$9H{2}O$ 용액과 $CH{3}COOH$ 혼합용액에 침척시키고 $200^{\circ}C$ 온도로 3시간 수열처리 하여 펠릿을 담지시킨 후 건조와 소성공정을 통하여 촉매를 제조하였다. 이와 같이 수열법에 의해 제조딘 산화철 담지${\gamma}$알루미나 촉매를 환경촉매로 적용하기 위해 4-chlorophenol과 같은 난분해성물질을 촉매를 사용하지 않는 오존단독공정과 촉매를 사용하는 촉매오존(catalytic ozonation)공정으로 구분하여 OH 라티칼 전환반응 개시제로서의 기능과 그 분해특성을 비교하였다.

Keywords

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