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Direct Decomposition of N2O over Cesium-doped CuO Catalysts

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Abstract

A series of Cs promoted copper oxide catalysts were prepared by co-precipitation method and tested for the direct decomposition of nitrous oxide (N2O). The Cs promoted catalysts were more active particularly with a molar ratio of Cs/Cu at 0.1 compared to bulk CuO. Methods of XRD, BET, XPS, H2-TPR, and N2O-TPD were used to characterize these catalysts to evaluate structure activity relationship. The characterization results indicated that the addition of Cs could improve the reduction of Cu2+–Cu0 by facilitating the desorption of adsorbed oxygen species, during the N2O decomposition. The influences of oxygen and steam on N2O decomposition over these catalysts were also studied.

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Authors and Affiliations

  1. Catalysis Laboratory, Inorganic and Physical Chemistry Division, Indian Institute of Chemical Technology, Hyderabad, 500607, India

    Nayeem Pasha, N. Lingaiah, P. Siva Sankar Reddy & P. S. Sai Prasad

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  1. Nayeem Pasha
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  2. N. Lingaiah
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  3. P. Siva Sankar Reddy
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  4. P. S. Sai Prasad
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Correspondence to P. S. Sai Prasad.

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Pasha, N., Lingaiah, N., Reddy, P.S.S. et al. Direct Decomposition of N2O over Cesium-doped CuO Catalysts. Catal Lett 127, 101–106 (2009). https://doi.org/10.1007/s10562-008-9641-z

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  • DOI: https://doi.org/10.1007/s10562-008-9641-z

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