Abstract
The N2O catalytic decomposition to N2 and O2 as gas products was carried out on the substituted ferrite MxFe1 − xFe2O4 (M = Mn and Zn with x = 0 − 0.8) catalysts. The obtained results showed that the partial substitution of Fe by Mn and Zn metal transitions in Fe3O4 spinel oxide led to a significant improvement in the catalytic activity for the N2O decomposition. Moreover, the catalytic activity depended on the degree of Fe replacement by Mn or Zn. The N2O conversion reached 100% over the Mn0.8Fe0.2Fe2O4 and Zn0.6Fe0.4Fe2O4 catalysts at 250 and 280 °C for pure N2O, respectively. The decomposition temperatures were relatively increased after O2 addition.
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