Title of article
Influence of BaO on Pd/Al2O3-based catalysts in C2H4 and CO oxidation as well as in NO reduction
Author/Authors
Tanja Kolli، نويسنده , , Katariina Rahkamaa-Tolonen، نويسنده , , Ulla Lassi، نويسنده , , Auli Savim?ki، نويسنده , , Riitta L. Keiski، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
5
From page
303
To page
307
Abstract
In this study, Pd/Al2O3 and Pd/BaO/Al2O3 metallic monoliths were used to investigate the effect of BaO in C2H4 and CO oxidation as well as in NO reduction. A FT-IR gas analyser was used to study the activity of the catalysts. Several activity experiments carried out with dissimilar feedstreams revealed that BaO enhances CO and C2H4 oxidation as well as NO reduction reactions in rich conditions. This effect is due to BaO, which causes a decrease in the ethene poisoning of palladium. In lean conditions BaO is present in the form of Ba(OH)2 which reacts with oxidised NO releasing water. Therefore, NO was stored during the lean reaction.
Keywords
Barium oxide (BaO) , CARBON MONOXIDE , Ethene , nitrogen oxides , PALLADIUM
Journal title
CATALYSIS TODAY
Serial Year
2005
Journal title
CATALYSIS TODAY
Record number
1234112
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