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2006•Journal of Chemical Technology & BiotechnologyRequires access

Influence of the calcination temperature on the Au/FeOx/Al2O3 catalyst

Donghui Wang, Zhengping Hao, Daiyun Cheng, Xicheng Shi

Open publisher page 9 citations

Abstract

Abstract 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/FeOx/Al2O3 catalyst contained both gold atoms and ions. The catalytic performance of gold catalyst may depend on the Au0/Au3+ ratio. The best activity in the present work was obtained when the Au0/Au3+ ratio was about 0.89. Copyright © 2006 Society of Chemical Industry

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What this paper is about

Abstract 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/FeOx/Al2O3 catalyst contained both gold atoms and ions. The catalytic performance of gold catalyst may depend on the Au0/Au3+ ratio. The best activity in the present work was obtained when the Au0/Au3+ ratio was about 0.89. Copyright © 2006 Society of Chemical Industry

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Available abstract

Abstract 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/FeOx/Al2O3 catalyst contained both gold atoms and ions. The catalytic performance of gold catalyst may depend on the Au0/Au3+ ratio. The best activity in the present work was obtained when the Au0/Au3+ ratio was about 0.89. Copyright © 2006 Society of Chemical Industry

Key concepts: Calcination, Catalysis, X-ray photoelectron spectroscopy, Materials science, Phase (matter), Work (physics), Atmospheric temperature range, Ion

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