The Effect of Sulphur on the Activity of Pd/Al2O3, Pd/CeO2 and Pd/ZrO2 Diesel Exhaust Gas Catalysts |
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| Authors: | T. Kolli M. Huuhtanen A. Hallikainen K. Kallinen R. L. Keiski |
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| Affiliation: | 1. Department of Process and Environmental Engineering, University of Oulu, PO Box 4300, University of Oulu, Oulu, 90014, Finland
2. Ecocat Oy, Typpitie 1, Oulu, 90650, Finland
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| Abstract: | Pd/Al2O3, Pd/CeO2 and Pd/ZrO2 diesel oxidation catalysts and their washcoat materials were studied after sulphur treatment. The catalytic activities were analysed in simplified diesel exhaust gas composition by FT-IR technique. ICP-OES or XRF, physisorption and CO chemisorption was used to catalyst characterisation. The result shows that the sulphur treatment clearly deactivates the studied catalysts. |
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