청정기술 (Clean Technology)

  • 제19권1호
  • /
  • Pages.13-21
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  • 2013
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  • 1598-9712(pISSN)
  • /
  • 2288-0690(eISSN)
한국청정기술학회 (The Korean Society of Clean Technology)
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Direct Conversion of Cellulose into Polyols over Pt/CsxH3-xPW12O40

  • You, Su Jin (Division of Energy Systems Research and Department of Chemical Engineering, Ajou University) ;
  • Baek, In Gu (Division of Energy Systems Research and Department of Chemical Engineering, Ajou University) ;
  • Park, Eun Duck (Division of Energy Systems Research and Department of Chemical Engineering, Ajou University)
  • 투고 : 2013.02.14
  • 심사 : 2013.03.18
  • 발행 : 2013.03.31
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초록

다른 분율의 Cs이 포함된 Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ 촉매를 제조하여 셀룰로우스의 폴리올로의 수소화분해반응를 수행하였다. 촉매의 비표면적과 Pt의 분산도는 Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ 촉매의 Cs 함량이 증가함에 따라 증가하였다. 그러나 Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ 촉매의 Cs의 함량이 변함에도 불구하고 비슷한 폴리올 수득률을 보였다. Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ 촉매의 반응 활성은 Ni/W/SBA-15와 두 가지의 복합촉매(Pt/AC+$H_3PW_{12}O_{40}$과 Pt/AC+$Cs_{3.0}PW_{12}O_{40}$)와 비슷하였다. 이 반응을 진행하는 동안 Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ 촉매로부터 헤테로폴리 음이온이 침출되는 것을 확인하였다.

The hydrogenolysis of cellulose into polyols was examined over Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ catalysts containing different Cs fractions. The surface area and Pt dispersion of Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ catalysts were found to increase with Cs content. Similar polyol yields were obtained over Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ catalysts irrespective of their Cs content. The catalytic activity of Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ was comparable to that of Ni/W/SBA-15 and combined catalytic systems such as Pt/AC+$H_3PW_{12}O_{40}$ and Pt/AC + $Cs_{3.0}PW_{12}O_{40}$. Some polyanion species were found to leach from the Pt/$Cs_xH_{3-x}PW_{12}O_{40}$ catalyst during the course of the reaction.

키워드

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피인용 문헌

  1. Optimization Study of Biomass Hydrogenation to Ethylene Glycol Using Response Surface Methodology vol.8, pp.5, 2013, https://doi.org/10.3390/pr8050588