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Modification of Co/γ-Al_2O_3 Catalyst by Fe for Selective Hydrogenation of Cinnamaldehyde to Cinnamyl Alcohol

Peng‐Mian Huang

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Abstract

The reason why the catalytic activity of Co/γ-Al_2O_3 is improved by Fe was investigated using XPS,TG-DTA,XRD and TPR techniques.XPS characterization indicated that with the addition of Fe,Co2p content on the surface of catalysts was 3 times as before.TG-DTA result showed that the weight loss temperature and thermostability were little changed.XRD result indicated that the particle size of Co_3O_4 was decreased and the dispersity was improved by Fe.TPR result revealed that the reduction temperature was raised by the interactions of Co and Fe.

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What this paper is about

The reason why the catalytic activity of Co/γ-Al_2O_3 is improved by Fe was investigated using XPS,TG-DTA,XRD and TPR techniques.XPS characterization indicated that with the addition of Fe,Co2p content on the surface of catalysts was 3 times as before.TG-DTA result showed that the weight loss temperature and thermostability were little changed.XRD result indicated that the particle size of Co_3O_4 was decreased and the dispersity was improved by Fe.TPR result revealed that the reduction temperature was raised by the interactions of Co and Fe.

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Available abstract

The reason why the catalytic activity of Co/γ-Al_2O_3 is improved by Fe was investigated using XPS,TG-DTA,XRD and TPR techniques.XPS characterization indicated that with the addition of Fe,Co2p content on the surface of catalysts was 3 times as before.TG-DTA result showed that the weight loss temperature and thermostability were little changed.XRD result indicated that the particle size of Co_3O_4 was decreased and the dispersity was improved by Fe.TPR result revealed that the reduction temperature was raised by the interactions of Co and Fe.

Key concepts: Cinnamyl alcohol, Cinnamaldehyde, X-ray photoelectron spectroscopy, Catalysis, Thermostability, Chemistry, Dispersity, Alcohol

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