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Deactivation of a Zn-Containing zeolite in ethane aromatization

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Abstract

Ethane conversion into aromatic hydrocarbons over a high-silica ZSM-5-type zeolite doped with zinc by impregnation has been investigated. The deactivation of the Zn-containing zeolite at different stages of ethane conversion has been studied by temperature-programmed ammonia desorption, differential thermal analysis, high-resolution transmission electron microscopy, and energy-dispersive X-ray spectroscopy. The nature and distribution of active phases and coke deposits on the catalyst surface have been determined. The Zn/ZSM-5 catalyst shows a relatively high activity and stable performance in ethane aromatization.

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Authors and Affiliations

  1. Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences, Tomsk, 634021, Russia

    L. N. Vosmerikova, Ya. E. Barbashin & A. V. Vosmerikov

  2. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    V. I. Zaikovskii

Authors
  1. L. N. Vosmerikova
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  2. V. I. Zaikovskii
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  3. Ya. E. Barbashin
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  4. A. V. Vosmerikov
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Corresponding author

Correspondence to A. V. Vosmerikov.

Additional information

Original Russian Text © L.N. Vosmerikova, V.I. Zaikovskii, Ya.E. Barbashin, A.V. Vosmerikov, 2014, published in Kinetika i Kataliz, 2014, Vol. 55, No. 6, pp. 748–755.

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Vosmerikova, L.N., Zaikovskii, V.I., Barbashin, Y.E. et al. Deactivation of a Zn-Containing zeolite in ethane aromatization. Kinet Catal 55, 729–736 (2014). https://doi.org/10.1134/S0023158414060159

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  • DOI: https://doi.org/10.1134/S0023158414060159

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