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Fischer–Tropsch Synthesis: Branched Paraffin Distribution for Potassium Promoted Iron Catalysts

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Abstract

Iron Fischer–Tropsch catalysts with varying amounts of K (0, 2, 4, 6, 10 wt%) were utilized. Except possibly for the 10 wt% catalyst, the amount of the iso-alkanes produced was essentially constant for carbon numbers from 4 to 23. Iso-alkanes accounted for about 13–15 % of the hydrocarbon products that were produced. The 2- and 3-methyl isomers were present at about two times the amount of the other methyl isomers for each carbon number. Mechanisms to account for the branching were considered but a satisfactory one could not be found.

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Acknowledgments

This work carried out at the CAER was supported by the Commonwealth of Kentucky.

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Authors and Affiliations

  1. Center for Applied Energy Research, University of Kentucky, 2540 Research Park Dr, Lexington, KY, 40511, USA

    Mingsheng Luo, Wilson D. Shafer & Burtron H. Davis

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  1. Mingsheng Luo
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  2. Wilson D. Shafer
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  3. Burtron H. Davis
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Correspondence to Burtron H. Davis.

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Luo, M., Shafer, W.D. & Davis, B.H. Fischer–Tropsch Synthesis: Branched Paraffin Distribution for Potassium Promoted Iron Catalysts. Catal Lett 144, 1031–1041 (2014). https://doi.org/10.1007/s10562-014-1240-6

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  • DOI: https://doi.org/10.1007/s10562-014-1240-6

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