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Copper manganese based mixed oxides for CO oxidation at ambient temperature

Hutchings, Graham John and Taylor, Stuart Hamilton 2007. Copper manganese based mixed oxides for CO oxidation at ambient temperature. Presented at: 234th ACS National Meeting, Boston, MA, USA, 19-23 August 2007.

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Abstract

Carbon monoxide oxidation at low temperatures is a topic of intense research activity at the present time. The copper manganese oxide catalyst, commercially known as Hopcalite, has been investigated within the group. The catalytic activity is affected by preparation conditions including precipitation, ageing, pH and temperature. The objective of our work is to modify the catalysts by doping the original Hopcalite with a range of different metals, find alternative oxidation reactions and investigate the reaction taking place during catalyst preparation. Recent study has incorporated a certain amount of zinc or cobalt into the Hopcalite material. CO oxidation activity varies with the amount of dopant added and ageing time. The replacement of copper with zinc within the structure has shown improvement of activity towards CO oxidation. Currently the mechanism taking place during CO oxidation, which has yet to be reported, is being analysed by Temporal Analysis of Products (TAP).

Item Type: Conference or Workshop Item (Paper)
Date Type: Completion
Status: Unpublished
Schools: Cardiff Catalysis Institute (CCI)
Chemistry
Subjects: Q Science > QD Chemistry
Related URLs:
Last Modified: 04 Jun 2017 02:10
URI: http://orca.cf.ac.uk/id/eprint/10254

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