Temporal analysis of products (TAP) study on low temperature carbon monoxide oxidation on supported Au catalysts

被引：5
|
作者：
Olea, Maria
Tada, Mizuki
Iwasawa, Yasuhiro
机构：
[1] Univ Ghent, Dept Chem Engn, Petrochem Tech Lab, B-9000 Ghent, Belgium
[2] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
来源：
TOPICS IN CATALYSIS | 2007年 / 44卷 / 1-2期
关键词：
supported gold catalysts; carbon monoxide oxidation; reaction mechanism; TAP;
D O I：
10.1007/s11244-007-0287-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
TAP (temporal analysis of products) technique was used to clarify the controversial mechanism for low-temperature CO oxidation on supported An catalysts involving unidentified moisture effects on the performances. The unique TAP transient technique, along the use of a specially prepared, highly active Au/Ti(OH)(4)* catalyst, provided the information and characterization of each elementary step involving weak and reversible CO adsorption, strong and molecular O-2 adsorption, and their surface reaction, which are suppressed by the coexistence of water vapor.
引用
收藏
页码：137 / 143
页数：7
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