Sulphur tolerant diesel oxidation catalysts by noble metal alloying
Franken T, Vieweger E, Klimera A, Hug M, Heel A (2019)
Publication Type: Journal article
Publication year: 2019
Journal
Book Volume: 129
Article Number: 105732
DOI: 10.1016/j.catcom.2019.105732
Abstract
A series of Mn-alloyed Pt supported catalysts were investigated for the NO oxidation reaction applied in diesel oxidation catalysts under sulphur-containing conditions. The observed NO oxidation conversion correlated to the Pt amount in the catalyst under sulphur-free conditions. In the presence of SO2 in the feed, the Pt/Al2O3 catalyst heavily deactivated resulting in the lowest performance compared to Mn-alloyed Pt catalysts. Already small amounts of Mn improved the SO2-resistance significantly. Whilst pure Pt/Al2O3 catalyst deactivates fully within the first 30 min under NO oxidation conditions including 300 ppm SO2, an alloy with a Mn to Pt ratio of 1:1 performed with a remarkable high catalytic stability for the NO oxidation over at least 70 h under continuous testing conditions.
Authors with CRIS profile
Involved external institutions
Zürcher Hochschule für Angewandte Wissenschaften (ZHAW)
Switzerland (CH)
Hug Engineering AG
Switzerland (CH)
Switzerland (CH)
Hug Engineering AG
Switzerland (CH)
How to cite
APA:
Franken, T., Vieweger, E., Klimera, A., Hug, M., & Heel, A. (2019). Sulphur tolerant diesel oxidation catalysts by noble metal alloying. Catalysis Communications, 129. https://dx.doi.org/10.1016/j.catcom.2019.105732
MLA:
Franken, Tanja, et al. "Sulphur tolerant diesel oxidation catalysts by noble metal alloying." Catalysis Communications 129 (2019).
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