Lab Scale Fixed-Bed Reactor for Operando X-Ray Absorption Spectroscopy for Structure Activity Studies of Supported Metal Oxide Catalysts

被引：0
作者：
Santhosh Kumar Matam
O. Korsak
L. Bocher
D. Logvinovich
P. Hug
A. Weidenkaff
D. Ferri
机构：
[1] Laboratory for Solid State Chemistry and Catalysis,Empa, Swiss Federal Laboratories for Materials Science and Technology
来源：
Topics in Catalysis | 2011年 / 54卷
关键词：
Operando spectroscopy; Lab scale fixed-bed reactor; X-ray absorption spectroscopy; Structure–activity relationships;
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摘要：
Lab scale fixed-bed reactor is applied for operando transmission X-ray absorption spectroscopy (XAS) for structure–activity studies of supported metal oxide catalysts under real reaction conditions. This setup includes many properties of an optimal fixed-bed reactor for operando transmission XAS studies. For instance, it is usable in a wide range of temperature (up to 1,000 °C), pressure and space velocity. Besides, this operando setup can be used for transmission XAS measurements in a wide edge energy range. The potential of this reactor for operando transmission XAS is demonstrated by, as examples, the three-way catalytic performance of Pd/Al2O3/CeZrO2 and Rh/Al2O3.
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