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Dehydrogenation of ethanol over carbon-supported Cu–Co catalysts modified by catalytic chemical vapor deposition

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Abstract

A bimetallic copper–cobalt catalyst supported on activated carbon fibrous (ACF) material was prepared by the incipient wetness impregnation of the support with an aqueous solution of corresponding nitrates. Reference monometallic Cu/ACF and Co/ACF samples were synthesized analogously. In order to enhance the metal-support interaction and stabilize the dispersion of active components, the Cu–Co/ACF catalyst was subjected to catalytic chemical vapor deposition of ethylene at 600 °C with the formation of carbon nanofibers (CNF). As a result, the catalytic system consisting of Cu–Co particles anchored on carbon–carbon composite was obtained. All samples were characterized by a set of physicochemical methods. The catalytic performance of pristine and CNF-modified samples was studied in the ethanol dehydrogenation reaction. The activity of Cu–Co/CNF/ACF catalyst was shown to be two times higher compared with the unmodified bimetallic sample.

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Acknowledgements

This work was supported by Russian Academy of Sciences and Federal Agency of Scientific Organizations (state-guaranteed order for BIC, Project No. 0303-2016-0014).

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Authors and Affiliations

  1. Institute of Fine Chemical Technologies, Moscow Technological University, Pr. Vernadskogo, 86, Moscow, Russian Federation, 119571

    Ekaterina A. Ponomareva & Ekaterina V. Egorova

  2. Vernadsky Institute of Geochemistry and Analytical Chemistry RAS, Kosygina str., 19, Moscow, Russian Federation, 119991

    Ekaterina A. Ponomareva

  3. Boreskov Institute of Catalysis SB RAS, pr. Ac. Lavrentieva, 5, Novosibirsk, Russian Federation, 630090

    Irina V. Krasnikova, Ilya V. Mishakov & Aleksey A. Vedyagin

  4. National Research Tomsk Polytechnic University, Lenin Av., 30, Tomsk, Russian Federation, 634050

    Ilya V. Mishakov & Aleksey A. Vedyagin

Authors
  1. Ekaterina A. Ponomareva
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  2. Irina V. Krasnikova
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  3. Ekaterina V. Egorova
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  4. Ilya V. Mishakov
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  5. Aleksey A. Vedyagin
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Correspondence to Aleksey A. Vedyagin.

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Ponomareva, E.A., Krasnikova, I.V., Egorova, E.V. et al. Dehydrogenation of ethanol over carbon-supported Cu–Co catalysts modified by catalytic chemical vapor deposition. Reac Kinet Mech Cat 122, 399–408 (2017). https://doi.org/10.1007/s11144-017-1220-0

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  • DOI: https://doi.org/10.1007/s11144-017-1220-0

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