Influence of the calcination temperature on the Au/FeO  x  /Al 2 O 3  catalyst | Zendy

Wang Donghui | Zendy; Hao Zhengping | Zendy; Cheng Daiyun | Zendy; Shi Xicheng | Zendy

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Influence of the calcination temperature on the Au/FeO x /Al 2 O 3 catalyst

Author(s) -

Wang Donghui,

Hao Zhengping,

Cheng Daiyun,

Shi Xicheng

Publication year - 2006

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1533

Subject(s) - calcination , catalysis , x ray photoelectron spectroscopy , materials science , phase (matter) , work (physics) , atmospheric temperature range , ion , inorganic chemistry , chemical engineering , chemistry , physics , organic chemistry , thermodynamics , engineering

The effect of calcination temperature on the electronic structure of gold catalyst was investigated in this paper. CO oxidation was employed as a test reaction to correlate the phase changes to the catalytic activity. The TPR, XPS and XRD characterization showed that the highly active Au/FeO x /Al 2 O 3 catalyst contained both gold atoms and ions. The catalytic performance of gold catalyst may depend on the Au 0 /Au 3+ ratio. The best activity in the present work was obtained when the Au 0 /Au 3+ ratio was about 0.89. Copyright © 2006 Society of Chemical Industry

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