Abstract
A compact, internally heated, catalytic reactor is demonstrated for the low-temperature oxidation of carbon monoxide. Carbon nanofibres were grown on carbon felt and used as a support material for Au/TiO2 catalysts. The carbon composite plays two roles; as a support material for the catalyst and for providing heat to the reaction by the Joule effect. The internal heating offers a stable reactor system with quick temperature response at relatively low energy input. Comparison between external and internal heating shows higher conversion of CO in the low-temperature range when using internal heating. The Au/TiO2 catalyst supported on the carbon-carbon composite shows good stability at 250°C.
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About the authors Magnus Ronning is an Associate Professor at the Department of Chemical Engineering, Norwegian University of Science and Technology (NTNU). His research work is mainly concerned with aspects of heterogeneous catalysis applied to natural gas conversion, hydrogen production and synthesis and characterisation of new catalyst materials. De Chen is Professor of Chemical Engineering (Catalysis) at NTNU, Trondheim. He previously headed the group of petrochemical technology at the Shanghai Institute of Petrochemical Technology, SINOPEC, China. His main research areas are natural gas conversion, deactivation of heterogeneous catalysts, microkinetic modelling of surface reactions, application of oscillating microbalance (TEOM), and production and applications of carbon nanofibres/ nanotubes. Nina Hammer is a PhD student at NTNU working on gold-based catalysts related to hydrogen production. Ingvar Kvande is a PhD student at NTNU working on synthesis and applications of carbon nanofibres. Sarka Zarubova is currently a Master degree student at the Institute of Chemical Technology, Prague.
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Hammer, N., Zarubova, S., Kvande, I. et al. A Novel internally heated Au/TiO2 carbon-carbon composite structured reactor for low-temperature CO oxidation. Gold Bull 40, 234–239 (2007). https://doi.org/10.1007/BF03215586
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DOI: https://doi.org/10.1007/BF03215586