Abstract
Sulphur, sulphur-water, and water pretreatments were done to find out the effect of these compounds on a diesel oxidation Pd/β-zeolite catalyst and β-zeolite washcoat. After pretreatments, the samples were analysed by BET, XRF, TEM-SEM, and XPS. In addition, the activity of fresh and pretreated Pd/β-zeolite catalysts was studied utilizing the by Gasmet FT-IR in production gas analysis. Sulphur compounds (SO2 or −SO4) were found to have a deactivating effect on the activity of the studied Pd/β-zeolite catalyst.
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Acknowledgments
Authors acknowledge financial support from the 100th Anniversary Foundation of the Federation of Finnish Technology Industries. The authors are grateful to Ecocat Oy for supplying the catalysts. A. Hallikainen is acknowledged for carrying out the experiments.
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Kolli, T., Huuhtanen, M., Kanerva, T. et al. The Effect of Sulphur and Water Treatments on the Performance of Pd/β-Zeolite Diesel Oxidation Catalysts. Top Catal 54, 1185 (2011). https://doi.org/10.1007/s11244-011-9740-8
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DOI: https://doi.org/10.1007/s11244-011-9740-8