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- W2022352879 abstract "The catalytic decomposition of N2O using metal oxides supported on silica, magnesium oxide, calcium oxide and hydrotalcite-like supports was studied. CoO is much more active than CuO and Fe2O3 when supported on silica. A conversion of 95% was achieved using CoO on SiO2 at 1500 h−1 GHSV, 500°C and 50,000 ppm feed N2O. However, the use of higher flow rates resulted in lower conversions. We found that when supporting CoO on MgO, a much more active catalyst is attained. A conversion of 95% was achieved using this catalyst at 40,000 h−1, 500°C, 100,000 ppm N2O feed. This is a significant improvement over any catalyst currently in the literature. The activity of this catalyst was decreased by calcination at 1000°C. XPS and XRD studies revealed that higher temperature calcination led to an inactive crystalline phase. The active catalyst displayed a less crystalline phase involving the support and the metal oxide. Other oxide combination catalysts were found to be less active than theCoO/MgO catalyst. Based on our findings, a modification of the reactions proposed for N2O decomposition is suggested." @default.
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- W2022352879 date "1997-09-01" @default.
- W2022352879 modified "2023-10-08" @default.
- W2022352879 title "Catalyzed decomposition of N2O on metal oxide supports" @default.
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- W2022352879 doi "https://doi.org/10.1016/s0926-3373(96)00088-4" @default.
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