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Low-Temperature CH4 Total Oxidation on Catalysts Based on High Surface Area SnO2

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Abstract

Pure SnO2, sulfated SnO2-SO4 2- and Pd supported on SnO2 and SnO2-SO4 2- were prepared from SnO2 precursor with high surface area, and used for CH4 deep oxidation. The catalysts were characterized by means of N2-BET, XRD, TG-DTA, XPS and TPD. SnO2-SO4 2- shows higher activity than SnO2, due to the presence of more active oxygen species, superacid sites and its higher BET surface area. Pd/SnO2 and Pd/SnO2-SO4 2- display essentially the same activity to each other, while it is much higher than the activity on SnO2 and SnO2-SO4 2-. The main reason is ascribed to the concerted action between Pd and the supports.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Peking University, Beijing, 100871, China

    Xiang Wang & You-chang Xie

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  1. Xiang Wang
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  2. You-chang Xie
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Wang, X., Xie, Yc. Low-Temperature CH4 Total Oxidation on Catalysts Based on High Surface Area SnO2. Reaction Kinetics and Catalysis Letters 72, 115–123 (2001). https://doi.org/10.1023/A:1010592800342

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