INFRARED STUDY OF CARBON MONOXIDE OXYGEN AND CARBON DIOXIDE ADSORPTION ON CHROMIA-SILICA .3. CARBON MONOXIDE-OXYGEN INTERACTION

被引:10
作者
ZECCHINA, A
GHIOTTI, G
MORTERRA, C
BORELLO, E
机构
[1] Istituto di Chimica-Fisica, Università di Torino, Torino
关键词
D O I
10.1021/j100725a021
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
The interaction between carbon monoxide and oxygen at room temperature on a chromia-silica catalyst has been studied by infrared spectroscopy. Only the adsorbed CO which causes the band at 2187 cm-1 actively participates in the oxidation reaction, thus acting as an intermediate of great activity. Oxygenated species, mainly of the carboxylate type, have also been detected in the 1800-1300-cm-1 frequency range.
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页码:1295 / &
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