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Enhanced Activity of Bimetallic Pd-Based Catalysts for Methane Combustion

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Abstract

In this work, the bimetallic Pd catalysts containing Ag, Cu, Co and Ni were prepared via the glow discharge plasma treatment followed by calcination thermally. The X-ray photoelectron spectroscopy (XPS) analysis confirms that the plasma treatment can reduce Pd2+ effectively. The calcination of the plasma formed Pd clusters enhances the formation of PdO that was identified as the active species for methane combustion. Compared to the conventional catalysts, all the plasma prepared samples show an enhancement in the activity at the same temperature. Among the investigated catalysts, the Pd–Ag/HZSM-5 sample exhibits the best activity for methane combustion.

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Acknowledgments

The support from the National Natural Science Foundation of China (under contract 20490203) is greatly appreciated. The instrument supplied by ABB Switzerland is also appreciated.

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Authors and Affiliations

  1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, Peoples Republic of China

    Ya-Nan Li, Yong-Bing Xie & Chang-Jun Liu

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  1. Ya-Nan Li
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  2. Yong-Bing Xie
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  3. Chang-Jun Liu
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Correspondence to Chang-Jun Liu.

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Li, YN., Xie, YB. & Liu, CJ. Enhanced Activity of Bimetallic Pd-Based Catalysts for Methane Combustion. Catal Lett 125, 130–133 (2008). https://doi.org/10.1007/s10562-008-9528-z

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  • DOI: https://doi.org/10.1007/s10562-008-9528-z

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