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Catalytic Decomposition of N2O in Air Flows of Gas-Purification Systems in Radiochemical Industries

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Abstract

Catalytic decomposition of N2O in an air flow at at temperatures of ~420 to ~755 K in the presence of γ-Al2O3-based catalysts was studied. It was found that the degree of N2O decomposition in the presence of catalysts containing Mg, Ni, Co, and Fe does not exceed ~25% at a composite temperature of ~735 K and contact duration of the gas flow with the composite of 5–6 s. It was shown that the Al2O3–2RuO2–400 composite enables a nearly full decomposition of N2O in an air flow at temperatures of 738–753 K and contact durations of 7–15 s.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry of Russian Academy of Sciences, 119071, Moscow, Russia

    S. A. Kulyukhin, I. A. Rumer, M. P. Gorbacheva & A. A. Bessonov

Authors
  1. S. A. Kulyukhin
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  2. I. A. Rumer
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  3. M. P. Gorbacheva
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  4. A. A. Bessonov
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Correspondence to S. A. Kulyukhin.

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FUNDING

The study was financially supported in part by the Ministry of Science and Higher Education of the Russian Federation (research topic no. AAAA-A18-118021990023-6).

CONFLICT OF INTERESTS

The authors declare that they have no conflict of interest.

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Kulyukhin, S.A., Rumer, I.A., Gorbacheva, M.P. et al. Catalytic Decomposition of N2O in Air Flows of Gas-Purification Systems in Radiochemical Industries. Radiochemistry 62, 177–188 (2020). https://doi.org/10.1134/S1066362220020058

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