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), 272-278. (doi:10.1016/j.jcat.2006.10.015).
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Description/Abstract
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.
| Item Type: | Article |
|---|---|
| ISSNs: | 0021-9517 (print) |
| Related URLs: | |
| Keywords: | titanate nanotubes, double-bond migration, olefin isomerisation |
| Subjects: | T Technology > TP Chemical technology Q Science > QD Chemistry |
| Divisions: | University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering |
| Item ID: | 43007 |
| Date Deposited: | 08 Jan 2007 |
| Last Modified: | 25 Apr 2013 14:57 |
| Contributors: | Torrente-Murciano, Laura (Author) Lapkin, Alexei A. (Author) Bavykin, Dmitry V. (Author) Walsh, Frank C. (Author) Wilson, Karen (Author) |
| Date: | 2007 |
| Status: | Published |
| Contact Email Address: | a.lapkin@bath.ac.uk |
| URI: | http://eprints.soton.ac.uk/id/eprint/43007 |
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