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Reaction Kinetics, Mechanisms and Catalysis

, Volume 106, Issue 2, pp 495–506 | Cite as

Effect of the ceria–alumina composite support on the Mo-based catalyst’s sulfur-resistant activity for the synthetic natural gas process

  • Baowei Wang
  • Yuguang Shang
  • Guozhong Ding
  • Jing Lv
  • Haiyang Wang
  • Erdong Wang
  • Zhenhua Li
  • Xinbin Ma
  • Shaodong Qin
  • Qi Sun
Article

Abstract

Ceria–alumina composite supports were prepared by the co-precipitation (cop), impregnation (imp) or deposition–precipitation (dp) methods. Co–Mo catalysts supported on these composite supports were prepared by the imp method and their catalytic activities for sulfur-resistant methanation of synthesis gas were investigated. The catalysts were characterized by nitrogen adsorption, X-ray diffraction (XRD), and hydrogen temperature-programmed reduction (TPR). It was found that the preparation method of ceria–alumina composite support had a marked influence on the surface area, the interaction between ceria and alumina, and the catalytic performance for sulfur-resistant methanation. Among them, the ceria–alumina composite support prepared by dp method achieves the best methanation activity due to its smaller ceria particle size, better ceria dispersion, weak interaction between ceria–alumina as suggested by XRD and TPR results.

Keywords

CeO2 Al2O3 Composite support Co–Mo catalyst Sulfur-resistant methanation 

Notes

Acknowledgments

The authors are grateful to the National Institute of Clean and Low Carbon Energy for the financial support.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2012

Authors and Affiliations

  • Baowei Wang
    • 1
  • Yuguang Shang
    • 1
  • Guozhong Ding
    • 1
  • Jing Lv
    • 1
  • Haiyang Wang
    • 1
  • Erdong Wang
    • 1
  • Zhenhua Li
    • 1
  • Xinbin Ma
    • 1
  • Shaodong Qin
    • 2
  • Qi Sun
    • 2
  1. 1.Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and TechnologyTianjin UniversityTianjinChina
  2. 2.National Institute of Clean and Low Carbon EnergyBeijingChina

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