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Redispersion of Pd on acidic supports and loss of methane combustion activity during the selective reduction of NO by CH4

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Abstract

The CH4 combustion, occurring under selective NO reduction conditions, has been investigated over several Pd catalysts. In the presence of NO and support acidity, the combustion activity of Pd is drastically inhibited. Highly dispersed Pd/acidic zeolites compare favorably with other SCR catalysts. At 500°C, a 0.3% Pd/H-ZSM-5 sample exhibited a better performance than a typical Co-ZSM-5 catalyst.

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Authors and Affiliations

  1. School of Chemical Engineering, University of Oklahoma, 100 East Boyd Street, Norman, OK, 73019, USA E-mail:

    Ahmed Ali, Ya-Huei Chin & Daniel E. Resasco

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  1. Ahmed Ali
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  2. Ya-Huei Chin
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  3. Daniel E. Resasco
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Ali, A., Chin, YH. & Resasco, D.E. Redispersion of Pd on acidic supports and loss of methane combustion activity during the selective reduction of NO by CH4 . Catalysis Letters 56, 111–117 (1998). https://doi.org/10.1023/A:1019017331001

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  • DOI: https://doi.org/10.1023/A:1019017331001

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