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A colloid “digesting” route to novel, thermally stable high surface area ZrO2 and Pd/ZrO2 catalytic materials.

A colloid “digesting” route to novel, thermally stable high surface area ZrO2 and Pd/ZrO2 catalytic materials.
A colloid “digesting” route to novel, thermally stable high surface area ZrO2 and Pd/ZrO2 catalytic materials.
Zirconia having high thermal stability and high surface area (up to 160 m2/g at 700?°C) has been prepared by a colloidal “digesting” process. This material having demonstrated high surface areas at elevated temperatures was then applied as a catalyst support. A Pd colloid with diameter of ?12 nm has been successfully deposited on the high surface area zirconia material. All systems have been well characterized by TEM, X-ray diffraction, N2 adsorption isotherms, FTIR, elemental analysis and dynamic light scattering techniques. The colloidal Pd particles have been found homogeneously well dispersed in the hydrous zirconia matrix without aggregation. The Pd/ZrO2 catalysts have been screened for cyclohexene and 1-hexene hydrogenation activity and it was found that the catalyst is extremely active
0021-9797
476-485
D'Souza, Lawrence
cccb4572-567b-4cbd-8d69-31805d928f76
Saleh Subaie, Jaffar
ff020628-34e9-40b8-9bee-00ea15eba473
Richards, Ryan
18aa0739-1e64-4ce9-bc3a-f6e3cb76341c
D'Souza, Lawrence
cccb4572-567b-4cbd-8d69-31805d928f76
Saleh Subaie, Jaffar
ff020628-34e9-40b8-9bee-00ea15eba473
Richards, Ryan
18aa0739-1e64-4ce9-bc3a-f6e3cb76341c

D'Souza, Lawrence, Saleh Subaie, Jaffar and Richards, Ryan (2005) A colloid “digesting” route to novel, thermally stable high surface area ZrO2 and Pd/ZrO2 catalytic materials. Journal of Colloid and Interface Science, 292 (2), 476-485. (doi:10.1016/j.jcis.2005.06.019).

Record type: Article

Abstract

Zirconia having high thermal stability and high surface area (up to 160 m2/g at 700?°C) has been prepared by a colloidal “digesting” process. This material having demonstrated high surface areas at elevated temperatures was then applied as a catalyst support. A Pd colloid with diameter of ?12 nm has been successfully deposited on the high surface area zirconia material. All systems have been well characterized by TEM, X-ray diffraction, N2 adsorption isotherms, FTIR, elemental analysis and dynamic light scattering techniques. The colloidal Pd particles have been found homogeneously well dispersed in the hydrous zirconia matrix without aggregation. The Pd/ZrO2 catalysts have been screened for cyclohexene and 1-hexene hydrogenation activity and it was found that the catalyst is extremely active

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Published date: December 2005

Identifiers

Local EPrints ID: 366973
URI: http://eprints.soton.ac.uk/id/eprint/366973
ISSN: 0021-9797
PURE UUID: 307b9a2e-a513-42b0-8384-8511e36327e8

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Date deposited: 24 Jul 2014 09:20
Last modified: 16 Jul 2019 21:00

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