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

Catalytic decomposition of N 2 O in an air flow at at temperatures of ~420 to ~755 K in the presence of γ-Al 2 O 3 -based catalysts was studied. It was found that the degree of N 2 O decomposition in the presence of catalysts containing Mg, Ni, Co, and Fe does not exceed ~25% at a composite temperat...

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Bibliographic Details
Published in:Radiochemistry (New York, N.Y.) N.Y.), 2020-02, Vol.62 (2), p.177-188
Main Authors: Kulyukhin, S. A., Rumer, I. A., Gorbacheva, M. P., Bessonov, A. A.
Format: Article
Language:English
Subjects:
Air flow
Aluminum oxide
Catalysts
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Decomposition
Gas flow
Nickel
Nitrous oxide
Nuclear Chemistry
Radiochemistry
Transitional aluminas
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Summary:Catalytic decomposition of N 2 O in an air flow at at temperatures of ~420 to ~755 K in the presence of γ-Al 2 O 3 -based catalysts was studied. It was found that the degree of N 2 O 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 Al 2 O 3 –2RuO 2 –400 composite enables a nearly full decomposition of N 2 O in an air flow at temperatures of 738–753 K and contact durations of 7–15 s.
ISSN:1066-3622
1608-3288
DOI:10.1134/S1066362220020058