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Effect of the modification of nanocrystalline MgO aerogels with vanadium and carbon on the destructive sorption of CF2Cl2 and CFCl3

  • “Relation between Model and Real Catalysis. Catalysis for Power Engineering,” the 3rd Russian and German Workshop, June 24–27, 2013, Baikal, Russia
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Abstract

The effect of the promotion of nanocrystalline MgO aerogels with small amounts of vanadium and carbon on the destructive sorption of the Freons CF2Cl2 and CFCl3 was studied. It was found that the introduction of the promoters considerably shortened the induction period of the reaction. The pretreatment of samples modified with vanadium in an oxidizing or reducing atmosphere did not significantly affect the duration of the induction period. It was established that the acceleration of the reaction by fine-particle carbon did not depend on the mutual arrangement of carbon and MgO: on the surface of MgO nanoparticles, in the form of their mechanical mixture, or at separate positions in a reactor. It was concluded that the modifiers catalytically affect the interaction of MgO aerogels with Freons to accelerate the formation of active centers on the surface of their nanoparticles.

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Authors and Affiliations

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

    A. F. Bedilo, A. M. Volodin, I. V. Mishakov, V. V. Chesnokov, E. V. Il’ina, I. V. Tokareva & E. I. Shuvarakova

  2. Novosibirsk Institute of Technology, Moscow State University of Design and Technology Branch, Novosibirsk, 630099, Russia

    A. F. Bedilo & E. I. Shuvarakova

  3. Novosibirsk State Technical University, Novosibirsk, 630092, Russia

    I. V. Mishakov & V. V. Chesnokov

Authors
  1. A. F. Bedilo
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  2. A. M. Volodin
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  3. I. V. Mishakov
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  4. V. V. Chesnokov
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  5. E. V. Il’ina
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  6. I. V. Tokareva
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  7. E. I. Shuvarakova
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Correspondence to I. V. Mishakov.

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Original Russian Text © A.F. Bedilo, A.M. Volodin, I.V. Mishakov, V.V. Chesnokov, E.V. Il’ina, I.V. Tokareva, E.I. Shuvarakova, 2014, published in Kinetika i Kataliz, 2014, Vol. 55, No. 4, pp. 547–554.

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Bedilo, A.F., Volodin, A.M., Mishakov, I.V. et al. Effect of the modification of nanocrystalline MgO aerogels with vanadium and carbon on the destructive sorption of CF2Cl2 and CFCl3 . Kinet Catal 55, 520–527 (2014). https://doi.org/10.1134/S0023158414040016

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  • DOI: https://doi.org/10.1134/S0023158414040016

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