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High efficient conversion of cellulose to polyols with Ru/CNTs as catalyst

Author

Listed:
  • Wang, Hongjuan
  • Zhu, Lili
  • Peng, Song
  • Peng, Feng
  • Yu, Hao
  • Yang, Jian

Abstract

Cellulose, as an energy substance with tremendous resources, is reproducible and is a breakthrough point for the research of renewable energy. It is urgent and necessary to realize the conversion of cellulose with high efficiency under the mild condition. Ru immobilized on CNTs (Ru/CNTs) catalyst was prepared and used to the reaction of cellulose to polyols. The influence factors, such as the Ru loading amount, reaction time, reaction temperature and hydrogen pressure were investigated. The role that Ru/CNTs played in the reaction and the procedure of cellulose to polyols were discussed. The experimental results show that cellulose can be converted into C2-C6 polyols with the yield up to 38% catalyzed by Ru/CNTs with 4 wt% Ru loading and at the temperature of 225 °C and the hydrogen pressure of 6 MPa within the reaction time of 30 min. The conversion of cellulose to polyols catalyzed by Ru/CNTs is in fact a two-step reaction with cellulose first to reducing sugar and then to polyols. In the process of cellulose to polyols, CNTs promotes the cellulose to convert into reducing sugar by hydrolysis and Ru catalyzes the conversion of the reducing sugar to polyols by hydrogenation.

Suggested Citation

  • Wang, Hongjuan & Zhu, Lili & Peng, Song & Peng, Feng & Yu, Hao & Yang, Jian, 2012. "High efficient conversion of cellulose to polyols with Ru/CNTs as catalyst," Renewable Energy, Elsevier, vol. 37(1), pages 192-196.
    • Handle: RePEc:eee:renene:v:37:y:2012:i:1:p:192-196
    DOI: 10.1016/j.renene.2011.06.020
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    References listed on IDEAS

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    1. Yan, Luguang & Kong, Li, 1997. "The present status and the future development of renewable energy in China," Renewable Energy, Elsevier, vol. 10(2), pages 319-322.
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