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Catalysis Letters

, Volume 136, Issue 1–2, pp 9–13 | Cite as

Synthesis of Higher Alcohols from Syngas over Fe/K/β-Mo2C Catalyst

  • Ning Wang
  • Kegong Fang
  • Minggui Lin
  • Dong Jiang
  • Debao Li
  • Yuhan Sun
Article

Abstract

Fe/K/β-Mo2C catalysts were prepared by the temperature-programmed-reaction (TPRe) method and tested for higher alcohols synthesis (HAS). The catalysts exhibited high catalytic activity and selectivity to higher alcohols (C2 +OH). The effect of Fe/Mo molar ratio on the catalytic performance of HAS was investigated and the best one was at Fe/Mo molar ratio of 1/14. It could be concluded that the Fe promoter exerted strong promotion for carbon chain growth, especially for the stage of C1OH to C2OH. The “Fe3Mo3C” and “Fe3C” phases formed over Fe promoted K/β-Mo2C catalysts, which might be responsible for the high activity of higher alcohols and hydrocarbons synthesis, respectively.

Graphical Abstract

The typical change in CO conversion and selectivity of alcohols with time on stream over Fe/K/β-Mo2C (Fe/Mo=1/14) catalyst is shown in Figure. After about 72 h, a pseudo steady state was obtained. During the experimental period (192 h), the catalyst showed a constant activity and selectivity.

Keywords

Fe/K/β-Mo2C catalyst Higher alcohols synthesis Syngas 

Notes

Acknowledgments

The authors gratefully acknowledge the financial support from National Natural Science Foundation of China under key Project No. 20590363 and Shell on Higher Alcohols Synthesis Package.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.State Key Laboratory of Coal Conversion, Shanxi Institute of Coal ChemistryChinese Academy of SciencesTaiyuanPeople’s Republic of China
  2. 2.Graduate University of the Chinese Academy of SciencesBeijingPeople’s Republic of China

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