Clean Technology (청정기술)

The Korean Society of Clean Technology (한국청정기술학회)
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Dehydration of D-Xylose into Furfural Using Propylsulfonic Acid Modified Mesoporous Silica

황산 표면개질 메조다공 실리카를 이용한 푸르푸랄 제조에 관한 연구

  • Kim, Eun-Gyu (Department of Molecular Science and Technology, Ajou University) ;
  • Kim, Saet-Byul (Division of Energy Systems Research, and Division of Chemical Engineering and Materials Engineering, Ajou University) ;
  • Park, Eun-Duck (Division of Energy Systems Research, and Division of Chemical Engineering and Materials Engineering, Ajou University) ;
  • Kim, Sang-Wook (Department of Molecular Science and Technology, Ajou University)
  • 김은규 (아주대학교 분자과학기술학과) ;
  • 김샛별 (아주대학교 에너지시스템학부) ;
  • 박은덕 (아주대학교 에너지시스템학부) ;
  • 김상욱 (아주대학교 분자과학기술학과)
  • Received : 2010.03.30
  • Accepted : 2010.06.22
  • Published : 2010.06.30
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Abstract

Sulfonic acid (-SO3H) functionalized mesoporous silica containing HMS, SBA 15(S15), MCM 41(M41) were synthesized by post-synthesis and co-condensation method. Their catalytic performance is tested by dehydration reaction of D-xylose to furfural. As a result, good conversion and selectivity was obtained using water as an environmentally friendly solvent. Additionally, increased amounts of sulfuric acid in catalysts resulted in improved conversion of D-xylose. All of the acid-functionalized mesoporous silica showed higher selectivity than other solid acids such as ${\gamma}-Al_{2}O_{3}$ and zeolite.

MCM 41, HMS, SBA 15와 같은 메조다공 실리카에 post-synthesis와 co-condensation 방법으로 황산이 결합된 촉매를 제조하였다. 이 메조다공 실리카들을 자일로즈 탈수화반응의 촉매로 사용하여 푸르푸랄을 합성하였으며 관련된 반응특성을 연구하였다. 그 결과, 친환경적 용매인 물을 사용한 경우에도 양호한 전환율과 선택도를 얻을 수 있었다. 아울러 실리카 표면에 황산의 양이 증가할수록 자일로즈의 전환율이 증가하는 것을 알 수 있었고, 동일한 반응 조건에서 다른 고체산 촉매인 제올라이트와 감마알루미나를 사용했을 때 보다 양호한 선택도 결과를 얻었다.

Keywords

References

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