Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Liquid-Phase Degradation of Waste Agricultural Film over Used-FCC Catalysts

폐FCC 촉매에서 폐농업용 필름의 액상 분해반응

Park, Ji Won;Seo, Gon
박지원;서곤

  • Published : 20030000
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Abstract

염산과 수산화나트륨 용액으로 폐FCC 촉매를 처리하면 물리화학적 성질과 폐농업용 필름의 액상 분해반응에서 촉매 활성이 크게 달라진다. 산으로 처리하면 FCC 촉매에 들어있는 제올라이트의 구조가 유지되면서 무정형 물질이 제거되어 표면적이 넓어지나, 알칼리로 처리하면 제올라이트의 구조가 부서져서 표면적이 도리어 작아진다. 폐FCC 촉매를 약한 산이나 알칼리로 처리하면 분해반응에서 촉매 활성이 높아졌으며, 그 중에서도 1.0 N 염산으로 처리할 때 활성이 가장 많이 높았다. 폐FCC 촉매는 산 처리하여도 MFI와 USY 제올라이트에 비해 활성은 낮지만, 저렴하므로 많이 사용할 수 있어서 폐농업용 비닐의 액상 분해반응에 촉매로 적용 가능성이 높았다.

Keywords

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