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Preparation and characterisation of carbon-coated ceramic foams for organic vapour adsorption

Dawson, Elizabeth A, Barnes, Philip A. and Chinn, Matt J. (2006) Preparation and characterisation of carbon-coated ceramic foams for organic vapour adsorption. Carbon, 44 (7). pp. 1189-1197. ISSN 0008-6223

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Abstract

Ceramic foam substrates of various porosities were coated with novolak resin, which was then subsequently carbonised and activated to develop a pore structure. The carbon forming the layer was characterised by thermal analysis, TPD and N2, CO2 and hexane vapour adsorption. It was found to be microporous with a high surface area (up to 1400 m2 g−1), which made it a good adsorbent for hexane vapour at ambient temperature. The carbon–ceramic interface was examined using SEM. The coated foams displayed a reduced pressure drop compared to carbon granules and had good dynamic hexane vapour adsorption characteristics. Depending on the foam architecture, hexane breakthrough was delayed for up to 78 min.

Item Type: Article
Uncontrolled Keywords:
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
School of Applied Sciences > Materials and Catalysis Research Centre
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Depositing User: Sara Taylor
Date Deposited: 14 Mar 2008 10:41
Last Modified: 18 Mar 2011 10:54
URI: http://eprints.hud.ac.uk/id/eprint/573

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