Highly active Cu-ZnO catalysts for the WGS reaction at medium–high space velocities: Effect of the support composition |
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| Authors: | C Price L Pastor-Pérez E le Saché A Sepúlveda-Escribano TR Reina |
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| Affiliation: | 1. Department of Chemical Engineering and Process Engineering, University of Surrey, Guildford, GU2 7XH, United Kingdom;2. Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica, Instituto Universitario de Materiales de Alicante, Universidad de Alicante, Apartado 99, E-03080 Alicante, Spain |
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| Abstract: | Cu-ZnO based catalysts are the benchmark materials for the low-temperature WGS reaction. However, they present a crucial drawback which limits their application in portable devices: they only work under very low space velocities. In this study, we have developed a series of multicomponent Cu-ZnO catalysts able to work at relatively high space velocities with outstanding activity and stability. Different reference supports have been utilised with CeO2-Al2O3 being the most promising system. Overall, this work describes a strategy to design advanced Cu-based catalysts that can overcome the residence time restrictions in the WGS reaction. |
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| Keywords: | Cu catalysts Space velocity Hydrogen fuel processors WGS Cerium oxide |
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