Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Preparation of Pt Catalyst Supported on Zeolite Sheet and Its Performance of Toluene Combustion

제올라이트 쉬트 담지 백금촉매의 제조 및 톨루엔 연소 특성

  • 김진배 (호서대학교 화학공학과) ;
  • 임나래 (호서대학교 화학공학과) ;
  • 김홍수 (한국에너지기술연구원) ;
  • 유윤종 (한국에너지기술연구원)
  • Received : 2011.03.30
  • Accepted : 2011.04.08
  • Published : 2011.06.10
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Abstract

A zeolite sheet (ceramic paper containing zeolite) made in a cylindrical configuration can be applied to a honeycomb rotor for the effective VOC removal. In this study, the zeolite sheet containing ZSM-5 was used as a support for Pt-loading, and its catalytic activity for the toluene combustion reaction was compared with those of the other Pt catalysts loaded on ${\gamma}-Al_2O_3$ and cordierite honeycomb. Pt/zeolite sheet catalyst showed a higher activity for toluene combustion reaction than that of $Pt/{\gamma}-Al_2O_3$ or Pt/cordierite honeycomb. On the other hand, the dispersion of Pt particles loaded on the zeolite sheet was improved by the pretreatment with $NH_3-H_2O$ vapor at room temperature. Consequently, the pretreatment of Pt/zeolite sheet by $NH_3-H_2O$ vapor significantly enhanced the catalytic activation for toluene combustion reaction.

원통형으로 성형된 zeolite sheet (제올라이트를 함유하는 세라믹 종이)는 VOC 제거를 위한 효과적인 흡착로터로서 사용될 수 있다. 본 연구에서는 ZSM-5가 함유된 zeolite sheet 지지체에 Pt를 담지한 후 톨루엔 연소 촉매 성능을 ${\gamma}-Al_2O_3$ 및 cordierite honeycomb 지지체에 담지된 Pt 촉매와 비교하였다. Pt/zeolite sheet 촉매는 $Pt/{\gamma}-Al_2O_3$ 또는 Pt/cordierite honeycomb 촉매에 비하여 톨루엔 연소반응에 높은 활성을 나타냈다. 한편, Pt/zeolite sheet 촉매를 상온에서 $NH_3-H_2O$ 증기로 전처리하면 zeolite sheet에 담지된 Pt 입자의 분산도가 향상되었으며, 톨루엔 연소 촉매 활성이 크게 증가하였다.

Keywords

Acknowledgement

Supported by : 한국에너지기술평가원(KETEP)

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