DIFFUSE-REFLECTANCE FT-IR CHARACTERIZATION OF ACTIVE-SITES UNDER REACTION CONDITIONS - THE PRODUCTION OF OXYGENATES IN THE CO H-2 REACTION

被引:8
作者
BENITEZ, JJ [1 ]
CARRIZOSA, I [1 ]
ODRIOZOLA, JA [1 ]
机构
[1] UNIV SEVILLA,CSIC,INST CIENCIA MAT SEVILLA,E-41071 SEVILLE,SPAIN
关键词
IN SITU DRIFTS ANALYSIS; OXYGENATES IN THE CO HYDROGENATION; LANTHANIDE ADDITIVES;
D O I
10.1366/0003702944027345
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The reactivity of a Lu2O3-promoted Rh/Al2O3 catalyst in the CO/H-2 reaction is reported. Methane, heavier hydrocarbons, methanol, and ethanol are obtained. In situ DRIFTS has been employed to record the infrared spectra under the actual reaction conditions. The structure of the observed COads DRIFTS bands has been resolved into its components. The production of oxygenates (methanol and ethanol) has been correlated with the results of the deconvolution calculation. Specific sites for the production of methanol and ethanol in the CO/H-2 reaction over a Rh,Lu2O3/Al2O3 catalyst are proposed.
引用
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页码:1208 / 1212
页数:5
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