The Effect of SO2 and H2O on the Activity of Pd/CeO2 and Pd/Zr–CeO2 Diesel Oxidation Catalysts

被引：0
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作者：
T. Kolli
T. Kanerva
P. Lappalainen
M. Huuhtanen
M. Vippola
T. Kinnunen
K. Kallinen
T. Lepistö
J. Lahtinen
R. L. Keiski
机构：
[1] University of Oulu,Department of Process and Environmental Engineering
[2] Tampere University of Technology,Department of Materials Science
[3] Helsinki University of Technology,Department of Applied Physics
[4] Ecocat Oy,undefined
来源：
Topics in Catalysis | 2009年 / 52卷
关键词：
Deactivation; Diesel oxidation catalyst; Palladium; Sulphur;
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摘要：
Pd/CeO2 and Pd/Zr-CeO2 diesel oxidation catalysts were treated with sulphur, sulphur–water and water. According to the BET, TEM-EDS, XPS, ICP-OES analyses and catalytic activity tests, both studied catalysts were deactivated by sulphur due to formation of sulphates. Water treatment was found to have a promoting effect on the oxidation of CO and C3H6.
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页码：2025 / 2028
页数：3
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