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Effect of Potassium Promotion on the Formation of a Fe/Cact Catalyst in the Course of Reduction in CO and CO/H2

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Abstract

The process of formation of a Fe/C catalyst was considered as a sequence of topochemical reactions. It was demonstrated that potassium promotion accelerated the formation of magnetite at the stage of catalyst calcination in a flow of argon. The particle size of iron oxides decreased with the concentration of potassium. Potassium promotion also led to an increase in the concentration of Hägg carbide in the course of catalyst reduction by synthesis gas.

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Correspondence to P. A. Chernavskii.

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Original Russian Text © P.A. Chernavskii, V.O. Kazak, G.V. Pankina, N.E. Strokova, Yu.D. Perfil’ev, 2018, published in Kinetika i Kataliz, 2018, Vol. 59, No. 2, pp. 251–259.

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Chernavskii, P.A., Kazak, V.O., Pankina, G.V. et al. Effect of Potassium Promotion on the Formation of a Fe/Cact Catalyst in the Course of Reduction in CO and CO/H2. Kinet Catal 59, 229–236 (2018). https://doi.org/10.1134/S0023158418020040

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  • DOI: https://doi.org/10.1134/S0023158418020040

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