On the use of infrared spectroscopy in the study of carbon dioxide decomposition on copper containing methanol synthesis catalysts

被引：14
|
作者：
Gausemel, I
Ellestad, OH
Nielsen, CJ
机构：
来源：
CATALYSIS LETTERS | 1997年 / 45卷 / 1-2期
关键词：
infrared spectroscopy; DRIFTS; methanol synthesis; supported copper catalyst; CO; CO2; adsorption;
D O I：
10.1023/A:1019034705424
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：
Infrared spectroscopy has been used to study the possible adsorption and decomposition of CO2 on a copper containing methanol catalyst. It is demonstrated that the spectra from in situ infrared studies of the methanol synthesis can be complicated by many CO2 combination bands in the 2200-1900 cm(-1) region. A comparison with previously published DRIFTS spectra from studies of copper catalysts exposed to CO2 shows that nearly all of the bands assigned as CO adsorbed on copper originate from gas phase CO2.
引用
收藏
页码：129 / 133
页数：5
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