Abstract
Co3O4 and K/Co3O4 were tested in catalytic N2O decomposition. K/Co3O4 exhibited higher activity than Co3O4, which was drastically and irrecoverably decreased with added NO. Studies revealed that the Co2+ valence state changed after NO adsorption, and that potassium strengthened the Co–NO bond, impeding NO desorption, even above 400 °C.
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Acknowledgements
This project was supported by the “R&D Center for Reduction of Non-CO2 Greenhouse Gases (2013001690010)” funded by the Korea Ministry of Environment (MOE) as a “Global Top Environment R&D Program.”
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Kim, MJ., Lee, SJ., Ryu, IS. et al. Understanding the Effect of NO Adsorption on Potassium-Promoted Co3O4 for N2O Decomposition. Catal Lett 147, 2886–2892 (2017). https://doi.org/10.1007/s10562-017-2180-8
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DOI: https://doi.org/10.1007/s10562-017-2180-8