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Highly selective Pd/titanate nanotube catalysts for the double-bond migration reaction

Torrente-Murciano, Laura, Lapkin, Alexei A., Bavykin, Dmitry V., Walsh, Frank C. and Wilson, Karen (2007) Highly selective Pd/titanate nanotube catalysts for the double-bond migration reaction Journal of Catalysis, 245, (2), pp. 272-278. (doi:10.1016/j.jcat.2006.10.015).

Record type: Article


Pd(II) and Pd(0) catalysts supported onto titanate nanotubes (H2Ti3O7) were prepared by an ion-exchange technique. The catalysts are characterised by narrow size distribution of metal nanoparticles on the external surface of the nanotubes. Pd(II) catalysts show high selectivity toward double-bond migration reaction versus hydrogenation in linear olefins. The catalytic activity exhibits a volcano-type dependence on the metal loading, with the maximum activity observed at ca. 8 wt%. The Pd(II) was shown to be rapidly reduced to Pd(0) by appropriate choice of solvent. Prereduced Pd(0) catalysts were found to be less active toward double-bond migration and more selective toward hydrogenation. The DBM reaction was faster in protic solvents, such as methanol or ethanol.

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Published date: 2007
Keywords: titanate nanotubes, double-bond migration, olefin isomerisation
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 43007
ISSN: 0021-9517
PURE UUID: 0a6a6434-bb76-4f45-9510-c84b65f2bac8

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Date deposited: 08 Jan 2007
Last modified: 17 Jul 2017 15:20

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Author: Laura Torrente-Murciano
Author: Alexei A. Lapkin
Author: Frank C. Walsh
Author: Karen Wilson

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