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Precursor-support interactions in the preparation of sepiolite-supported Ni and Pd catalysts

Published online by Cambridge University Press:  09 July 2018

J. A. Anderson  and
M. Galan-Fereres
J. A. Anderson
Affiliation:
Department of Chemistry, The University, Dundee, DD1 4HN, UK
M. Galan-Fereres
Affiliation:
Department of Chemistry, The University, Dundee, DD1 4HN, UK
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Abstract

Naturally occurring sepiolite has been used as a support in the preparation of Ni and Pd catalysts. A precipitation procedure has been applied for both metals to deposit the precursor on to the support surface. The interaction between the sepiolite and the metal precursor has been studied by use of IR and solid-state MAS-NMR. Results show that SiOH groups are consumed in forming the Ni precursor whereas no specific interactions occur in the case of the Pd. However, strong interactions between metal precursor and the tetrahedral sheet occur for both metals leading to precursors which show a high stability under reducing conditions.

Type
Research Article
Information
Clay Minerals , Volume 34 , Issue 1 , March 1999 , pp. 57 - 66
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1999

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