

Morphology, Structure and Catalytic Properties of Pd-CeO2/Al2O3 Catalysts for Methane Oxidation and Coats Based Thereon
https://doi.org/10.18412/1816-0387-2019-3-206-218
Abstract
Morphologies and structures of catalytic compositions and coats based thereon were studied using Pd-CeO2/Al2O3 calcined at 100, 500, 1000 °C and the coats prepared by gas dynamic cold spraying onto a metal foil. It was established that the methods for preparation of the initial catalytic composition and for introduction of the active components to the coat influenced the phase composition, particle size and activity to oxidation of methane. The introduction of the active components by impregnation of the pre-deposited alumina layer was shown to provide the uniform distribution of Pd and Ce through the support profile, formation of nanosize PdO particles and of the interacting phases between the catalyst and support components. The impregnated catalyst was most active to oxidation of methane. The method for preparation of the coats has no limitations in scaling-up and, therefore, can be widely used for production of full-size catalysts on metal foils to be used for various energy devices.
About the Authors
N. V. ShikinaRussian Federation
O. Yu. Pod’yacheva
Russian Federation
A. V. Ishchenko
Russian Federation
S. R. Khairulin
Russian Federation
T. B. Tkachenko
Russian Federation
A. A. Moroz
Russian Federation
Z. R. Ismagilov
Russian Federation
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Review
For citations:
Shikina N.V., Pod’yacheva O.Yu., Ishchenko A.V., Khairulin S.R., Tkachenko T.B., Moroz A.A., Ismagilov Z.R. Morphology, Structure and Catalytic Properties of Pd-CeO2/Al2O3 Catalysts for Methane Oxidation and Coats Based Thereon. Kataliz v promyshlennosti. 2019;19(3):206-218. (In Russ.) https://doi.org/10.18412/1816-0387-2019-3-206-218