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The role of magnetite in Fischer-Tropsch synthesis

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Abstract

Mössbauer spectroscopy studies of iron catalysts from a Fischer-Tropsch (FT) Pilot Plant run at different time-on-stream periods were carried out. Magnetite Fe3O4 was found to be active for the water-gas-shift (WGS) reaction which accompanies the FT synthesis reaction over Fe-based catalysts. A correlation between the ratio of the occupancy of octahedral sites to the tetrahedral sites in magnetite to the WGS activity was found. Cation-deficient magnetite gave higher WGS activity as compared to the stoichiometric phase.

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Authors and Affiliations

  1. Institute of Mining and Minerals Research, University of Kentucky, 40506-0107, Lexington, KY, USA

    K. R. P. M. Rao, Frank E. Huggins, Vikram Mahajan & Gerald P. Huffman

  2. Pittsburgh Energy Technology Center, U.S. Department of Energy, 15236, Pittsburgh, PA, USA

    V. U. S. Rao

Authors
  1. K. R. P. M. Rao
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  2. Frank E. Huggins
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  3. Vikram Mahajan
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  4. Gerald P. Huffman
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  5. V. U. S. Rao
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Rao, K.R.P.M., Huggins, F.E., Mahajan, V. et al. The role of magnetite in Fischer-Tropsch synthesis. Hyperfine Interact 93, 1745–1749 (1994). https://doi.org/10.1007/BF02072939

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  • DOI: https://doi.org/10.1007/BF02072939

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