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Comparative study of CuO supported on CeO 2 , Ce 0.8 Zr 0.2 O 2 and Ce 0.8 Al 0.2 O 2 based catalysts in the CO-PROX reaction

International Journal of Hydrogen Energy, ISSN: 0360-3199, Vol: 39, Issue: 8, Page: 4102-4108
2014
  • 45
    Citations
  • 0
    Usage
  • 22
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    45
    • Citation Indexes
      45
  • Captures
    22

Article Description

CuO supported on CeO 2, Ce 0.8 Zr 0.2 O 2 and Ce 0.8 Al 0.2 O 2 based catalysts (6%wt Cu) were synthesized and tested in the preferential oxidation of CO in a H 2 -rich stream (CO-PROX). Nanocrystalline supports, CeO 2 and solid solutions of modified CeO 2 with zirconium and aluminum were prepared by a freeze-drying method. CuO was supported by incipient wetness impregnation and calcination at 400 °C. All catalysts exhibit high activity in the CO-PROX reaction and selectivity to CO 2 at low reaction temperature, being the catalyst supported on CeO 2 the more active and stable. The influence of the presence of CO 2 and H 2 O was also studied.

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