COMPARISON OF THE PERFORMANCE-CHARACTERISTICS OF PT/SNOX AND AU/MNOX CATALYSTS FOR LOW-TEMPERATURE CO OXIDATION

被引：185
|
作者：
GARDNER, SD [1 ]
HOFLUND, GB [1 ]
UPCHURCH, BT [1 ]
SCHRYER, DR [1 ]
KIELIN, EJ [1 ]
SCHRYER, J [1 ]
机构：
[1] NASA,LANGLEY RES CTR,HAMPTON,VA 23665
来源：
JOURNAL OF CATALYSIS | 1991年 / 129卷 / 01期
关键词：
D O I：
10.1016/0021-9517(91)90015-V
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Platinized tin oxide (Pt/SnOx) and gold supported on manganese oxide (Au/MnOx) catalysts have been shown to be good CO oxidation catalysts at low temperatures (30-100°C). The performance of these catalysts has been compared by reacting mixtures of CO and OZ and He under similar conditions. The Au/MnOx catalyst is superior to Pt/SnOx catalysts with regard to both activity and decay characteristics under the conditions examined. As expected, Au/MnOx catalysts exhibit greater activity as the reaction gas mixture becomes more oxidizing. © 1991.
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页码：114 / 120
页数：7
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