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New class of uranium oxide catalysts for the oxidative destruction of volatile organic compounds in the vapour phase

Hudson, Ian D., Henneghan, Catherine S., Hutchings, Graham John ORCID: and Taylor, Stuart H. ORCID: 1997. New class of uranium oxide catalysts for the oxidative destruction of volatile organic compounds in the vapour phase. Presented at: 90th Annual Meeting Air Waste Management Association, Toronto, Canada, 8-13 June 1997. Proceedings of the 1997 Air & Waste Management Association's 90th Annual Meeting & Exhibition. Proceedings of the Air & Waste Management Association's Annual Meeting & Exhibition. Toronto, Canada: Air & Waste Management Association,

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In recent years the implementation of stricter legislation limiting the permitted emission levels of aerial volatile organic compounds effluent has imposed increased costs on many industries. The challenge for industry has been to effectively control these emissions with minimum economic burden. One of the main effluent treatment technologies which has been employed for VOC abatement is oxidative catalytic destruction. In this study uranium oxide based catalysts have been investigated for the oxidative destruction of VOCs to carbon oxides and water. The catalysts have been tested for the destruction of a range of organic compounds at space velocities up to 70,000 h-1. The uranium based catalysts include both supported, unsupported and transition metal doped systems. Reactivity studies have shown that destruction efficiencies greater than 99 can be achieved over the appropriate uranium based catalyst in the temperature range of 150-450°C. The organic compounds investigated include benzene, butylacetate, cyclohexanone, butane and chlorobenzene. In the case of non-halogenated compounds the reaction products are carbon oxides and water, whilst the reaction of chlorobenzene also produces HCl. In the case of the destruction of chlorobenzene, no deactivation of the uranium based catalyst was observed. The observed reactivity and lifetime of the uranium based catalyst systems show there is good potential for the application of these materials in commercial VOC abatement systems.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Acetic acid; Benzene; Butane; Carbon monoxide; Catalysts; Chlorine compounds; Ketones; Oxidation; Uranium compounds; Volatile organic compounds; Water, Butylacetate; Chlorobenzene; Cyclohexanone; Uranium oxide, Air pollution control
Publisher: Air & Waste Management Association
Last Modified: 05 Jan 2023 14:28

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