Operando spectroscopic investigation of supported metal oxide catalysts by combined time-resolved UV-VIS/Raman/on-line mass spectrometry

被引：71

作者：

Nijhuis, TA ^{[1
]}

Tinnemans, SJ ^{[1
]}

Visser, T ^{[1
]}

Weckhuysen, BM ^{[1
]}

机构：

[1] Univ Utrecht, Debye Inst, Dept Inorgan Chem & Catalysis, NL-3508 TB Utrecht, Netherlands

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2003年 / 5卷 / 20期

关键词：

D O I：

10.1039/b305786k

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：

A novel experimental set-up for characterizing supported metal oxide catalysts under working conditions has been developed. The set-up combines product analysis using on-line mass spectrometry ( MS) with catalyst characterization by time-resolved operando UV-VIS and Raman spectroscopy. The potentials of this approach are illustrated by the propane dehydrogenation over a chromium oxide on alumina catalyst. It is demonstrated that these spectroscopic techniques give valuable complimentary information on the changing catalyst performance during successive propane dehydrogenation operating cycles.

引用

页码：4361 / 4365

页数：5

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