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Sulfur resistance and stability of yttrium-stabilized binary Co-Cu and Ni-Cu composites with zirconium dioxide in the oxidative conversion of methane

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Theoretical and Experimental Chemistry Aims and scope

Binary Co-Cu and Ni-Cu composites with YSZ have demonstrated rather high thermal resistance (up to 1000 °C) and stability in the extensive oxidation of methane. The tendency of the nickel–copper composites to carbon deposition depends on the amount of nickel introduced. The higher stability was found for the sample with active phase containing 4% Ni, 16% Cu. The sulfur resistance of the palladium-doped Ni–Cu composite is attributed to the formation of an adsorbed [PdO·SO2] complex. TPHR data indicated that the oxygen in this sample is less reactive in methane oxidation.

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Authors and Affiliations

  1. L. V. Pisarzhevskii Institute of Physical Chemistry, National Academy of Sciences of Ukraine, Prospekt Nauky, 31, Kyiv, 03028, Ukraine

    T. K. Shashkova, M. R. Kantserova & S. N. Orlik

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  1. T. K. Shashkova
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  2. M. R. Kantserova
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  3. S. N. Orlik
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Correspondence to S. N. Orlik.

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Translated from Teoreticheskaya i Éksperimental’naya Khimiya, Vol. 45, No. 5, pp. 306–311, September–October, 2009.

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Shashkova, T.K., Kantserova, M.R. & Orlik, S.N. Sulfur resistance and stability of yttrium-stabilized binary Co-Cu and Ni-Cu composites with zirconium dioxide in the oxidative conversion of methane. Theor Exp Chem 45, 319–324 (2009). https://doi.org/10.1007/s11237-009-9100-y

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  • DOI: https://doi.org/10.1007/s11237-009-9100-y

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