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Gold based catalysts on ceria and ceria-alumina for WGS reaction (WGS Gold catalysts)

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Gold catalysts supported on ceria-alumina have been studied in WGS reaction. A high and stable activity was established for the catalysts supported on ceria-alumina, prepared by mechanochemical activation in comparison to the corresponding samples, where ceria-alumina support was prepared by coprecipitation. The catalysts were characterized by means of XRD, TPR, Raman and XPS spectroscopy. A correlation between WGS activity and the redox activity was found. On the basis of the results obtained a model of the reaction mechanism and of active sites was proposed.

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Authors and Affiliations

  1. Institute of Catalysis, BAS, Acad.G.Bonchev Str., bl.11, Sofia, 1113, Bulgaria

    Donka Andreeva, Ivan Ivanov & Lyuba Ilieva

  2. Institute of Phys. Chem., PAN, Kasprzaka Str. 44/52, Warsaw, 01-224, Poland

    Janusz W. Sobczak

  3. Inst. of Inorg. Chem., BAS, Acad.G.Bonchev Str., bl.11, Sofia, 1113, Bulgaria

    Georgy Avdeev & Kostadin Petrov

Authors
  1. Donka Andreeva
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  2. Ivan Ivanov
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  3. Lyuba Ilieva
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  4. Janusz W. Sobczak
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  5. Georgy Avdeev
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  6. Kostadin Petrov
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Correspondence to Donka Andreeva.

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Andreeva, D., Ivanov, I., Ilieva, L. et al. Gold based catalysts on ceria and ceria-alumina for WGS reaction (WGS Gold catalysts). Top Catal 44, 173–182 (2007). https://doi.org/10.1007/s11244-007-0291-y

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  • DOI: https://doi.org/10.1007/s11244-007-0291-y

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