Catalysis Letters

, Volume 31, Issue 1, pp 47–56 | Cite as

Reductibility of silica supported nickel oxide

  • Jerzy Zieliński
Article

Abstract

The reduction of nickel/silica catalysts was studied in parallel by temperature programmed reduction (TPR) and X-ray diffraction (XRD) methods. The calcined materials contain nickel in the form of nickel oxide and nickel hydrosilicates and a part of the oxide particles is covered with the hydrosilicate species. This oxide is reduced in the same way as unsupported nickel oxide in the absence of water, and in a similar way to nickel hydrosilicates in the presence of water.

Keywords

nickel/silica catalysts TPR studies in situ XRD measurements 

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Copyright information

© J.C. Baltzer AG, Science Publishers 1995

Authors and Affiliations

  • Jerzy Zieliński
    • 1
  1. 1.Institute of Physical ChemistryPolish Academy of SciencesWarsawPoland

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