Catalysis Letters

, Volume 139, Issue 3–4, pp 123–128 | Cite as

Fe-Mo Catalysts with High Resistance to Carbon Deposition During Fischer–Tropsch Synthesis

  • Shaodong Qin
  • Chenghua Zhang
  • Baoshan Wu
  • Jian Xu
  • Hongwei Xiang
  • Yongwang Li


Effects of Mo addition on the Fischer–Tropsch synthesis (FTS) performance of precipitated Fe and FeCu catalysts were tested at 280 °C, 1.5 MPa, H2/CO = 2.0, 2,000 h−1. Reaction results in fixed-bed reactor indicate that Mo addition stabilizes the selectivity to higher molecular-weight hydrocarbons of Fe and FeCu catalysts. Carbonaceous species over the spent catalysts were studied by Mössbauer effect spectroscopy (MES) and temperature-programmed hydrogenation (TPH). It is found that Mo addition inhibits the carbon deposition on iron catalysts surface during the FTS reaction and thus probably protects the active sites for producing heavy hydrocarbons.

Graphical Abstract

Mo addition inhibits the carbon deposition on iron catalysts surface during the Fischer–Tropsch synthesis and thus protects the sites for production of heavy hydrocarbons and stabilizes the selectivity to higher molecular-weight hydrocarbons (C5 +).


Fischer–Tropsch synthesis Iron-based catalyst Mo promotion Carbon deposition Heavy hydrocarbons 



We thank the National Outstanding Young Scientists Foundation of China (20625620) and the National Natural Science Foundation of China (20703054, 20590361). This work is also supported by Synfuels CHINA. Co., Ltd.

Supplementary material

10562_2010_417_MOESM1_ESM.doc (650 kb)
Supplementary material 1 (DOC 650 kb)


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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Shaodong Qin
    • 1
    • 2
  • Chenghua Zhang
    • 1
  • Baoshan Wu
    • 1
  • Jian Xu
    • 1
  • Hongwei Xiang
    • 1
  • Yongwang Li
    • 1
  1. 1.State Key Laboratory of Coal Conversion, Institute of Coal ChemistryChinese Academy of SciencesTaiyuanPeople’s Republic of China
  2. 2.National Institute of Clean-and-Low-Carbon EnergyBeijingPeople’s Republic of China

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