Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The Effects of binary metal oxide catalysts for the synthesis of glycerol carbonate

이원계 금속산화물 촉매가 글리세롤카보네이트 합성에 미치는 영향

  • Baek, Jae-Ho (Green Technology Center, Korea Institute of Industrial Technology [KITECH]) ;
  • Moon, Myung-Jun (Department of Industrial Chemistry, Pukyong National University) ;
  • Lee, Man-Sig (Green Technology Center, Korea Institute of Industrial Technology [KITECH])
  • 백재호 (한국생산기술연구원 친환경청정기술센터) ;
  • 문명준 (부경대학교 공업화학과) ;
  • 이만식 (한국생산기술연구원 친환경청정기술센터)
  • Received : 2011.09.27
  • Accepted : 2012.01.05
  • Published : 2012.01.31
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Abstract

The glycerol carbonate was synthesized by glycerol and urea using metal oxide catalysts. The physical properties of the prepared metal oxide catalysts were investigated by X-ray diffraction (XRD), specific surface area analysis (BET), field emission scanning electron microscopy (FE-SEM) and temperature programmed desorption (TPD). In addition, we confirmed the conversion of the glycerol and the yield of the glycerol carbonate according to characteristics of metal oxide catalysts. From XRD and FE-SEM analysis, the crystallite size and crystallinity of metal oxide catalysts decrease with addition of Al. In addition, the Zn-Al mixed metal oxide had higher catalytic activity than the pure ZnO due to decreased side reaction in the synthesis of glycerol carbonate.

본 연구에서는 글리세롤과 우레아를 이용하여 글리세롤카보네이트를 합성하는 반응을 진행하였다. ZnO와 Zn-Al 이원계 금속 산화물 촉매를 제조하고, 제조되어진 촉매를 사용하여 글리세롤의 전환율과 글리세롤카보네이트의 수율을 확인하였고, Al의 첨가에 따른 촉매 특성의 분석과 글리세롤카보네이트 합성반응에서의 역할에 대해 확인하였다. 글리세롤카보네이트 합성 반응에서 ZnO를 단독으로 촉매를 사용한 경우보다 Zn-Al 혼합 산화물을 촉매로 사용하여 반응하였을 때, 부반응이 억제되어 전환율 및 수율이 증가함을 확인하였다.

Keywords

References

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