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Preparation of TiO2 using supercritical CO2 antisolvent precipitation (SAS): A support for high activity gold catalysts

Tang, Z-R, Bartley, Jonathan Keith, Taylor, Stuart Hamilton and Hutchings, Graham John 2006. Preparation of TiO2 using supercritical CO2 antisolvent precipitation (SAS): A support for high activity gold catalysts. Studies in Surface Science and Catalysis 162 , pp. 219-226. 10.1016/S0167-2991(06)80910-9

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Abstract

A supercritical anti-solvent precipitation technique has been used to prepare a novel Titania catalyst support. The Titania precursor was prepared by precipitating TiO (acac)2 from a solution of methanol using supercritical carbon dioxide at 110 bar and 40°C. The surface area of the supercritical precursor was 160 m2g-1 and this decreased to 35 m2g-1 after calcination, although there significant reduction of particle size. The new titania support was used to prepare a supported gold catalyst and this was tested for ambient temperature carbon monoxide oxidation. The supercritical catalyst demonstrated notably high activity when compared with catalysts prepared by other nonsupercritical methods. © 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Additional Information: cited By (since 1996) 4
Publisher: Elsevier BV
ISSN: 01672991
Last Modified: 04 Jun 2017 02:10
URI: http://orca.cf.ac.uk/id/eprint/10264

Cited 8 times in Web of Science. View in Web of Science.

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