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Catalytic oxidation of carbon monoxide, toluene, and ethyl acetate over the xPd/OMS-2 catalysts: Effect of Pd loading

  • Zhidan Fu
  • Lisha Liu
  • Yong Song
  • Qing YeEmail author
  • Shuiyuan Cheng
  • Tianfang Kang
  • Hongxing DaiEmail author
Research Article

Abstract

The Pd catalyst supported on cryptomelane-type manganese oxide octahedral molecular sieve (OMS-2) were prepared. The effect of Pd loading on the catalytic oxidation of carbon monoxide, toluene, and ethyl acetate over xPd/OMS-2 has been investigated. The results show that the Pd loading plays an important role on the physicochemical properties of the xPd/OMS-2 catalysts which outperform the Pd-free counterpart with the 0.5Pd/OMS-2 catalyst being the best. The temperature for 50% conversion was 25, 240 and 160 °C, and the temperature for 90% conversion was 55, 285 and 200 °C for oxidation of CO, toluene, and ethyl acetate, respectively. The lowtemperature reducibility and high oxygen mobility of xPd/OMS-2 are the factors contributable to the excellent catalytic performance of 0.5Pd/OMS-2.

Keywords

cryptomelane-type manganese oxide octahedral molecular sieve oxygen mobility reducibility carbon monoxide oxidation volatile organic compound combustion 

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Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 21277008 and 20777005) and Natural Science Foundation of Beijing (Grant No. 8082008).

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© Higher Education Press and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.Key Laboratory of Beijing on Regional Air Pollution Control, Department of Environmental Science, College of Environmental and Energy EngineeringBeijing University of TechnologyBeijingChina
  2. 2.Beijing Key Laboratory for Green Catalysis and Separation, Key Laboratory of Beijing on Regional Air Pollution Control, Department of Chemistry and Chemical Engineering, College of Environmental and Energy EngineeringBeijing University of TechnologyBeijingChina

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