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Aerobic oxidation of benzyl alcohol over Co3O4/rehydrated hydrotalcite catalysts: The promotional effect of hydrotalcite support

Paper ID Volume ID Publish Year Pages File Format Full-Text
49738 46764 2014 5 PDF Available
Title
Aerobic oxidation of benzyl alcohol over Co3O4/rehydrated hydrotalcite catalysts: The promotional effect of hydrotalcite support
Abstract

•We prepared Co3O4/rehydrated hydrotalcite catalysts.•We investigated the relationship between structure and catalytic activity.•Hydrotalcite promoted the activity of Co3O4.•The composition of hydrotalcite affected the catalytic activity of Co3O4.•The promoting effect of hydrotalcite was due to OH− of the crystalline network.

Co3O4/rehydrated hydrotalcite catalysts were prepared, characterized, and tested in the aerobic oxidation of benzyl alcohol, with an aim to investigate the effect of hydrotalcite supports. It was found that Mg-Al hydrotalcite support promoted the activity of Co3O4. The activity of Co3O4/rehydrated hydrotalcite was sensitive to its hydrotalcite composition in terms of metal cations. The effect of Zn and Fe cations was negative, whereas the effect of Cu cations was positive. The results demonstrated that the promoting effect of hydrotalcite was due to OH− ions of the crystalline network.

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Keywords
Co3O4 catalyst; Rehydrated hydrotalcite; Alcohol oxidation; Molecular oxygen
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Aerobic oxidation of benzyl alcohol over Co3O4/rehydrated hydrotalcite catalysts: The promotional effect of hydrotalcite support
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 45, 5 February 2014, Pages 44–48
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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