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Issue 5, 2015
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Reactivity of ethanol over hydroxyapatite-based Ca-enriched catalysts with various carbonate contents

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Abstract

The Guerbet reaction of ethanol to produce heavier products was performed over a series of extensively characterized carbonate-containing hydroxyapatites (HAPs) with different Ca/P ratios and thus different densities, strengths and natures of acid and basic sites. These properties were correlated with the reactivity of the solids and an optimal ratio between the amount of acid and basic sites was evidenced (ca. 5). The best performance was accordingly obtained over the Hap-CO3 catalyst, which gave a yield of 30% of heavier alcohols at 40% ethanol conversion.

Graphical abstract: Reactivity of ethanol over hydroxyapatite-based Ca-enriched catalysts with various carbonate contents

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Article information


Submitted
05 Mar 2015
Accepted
26 Mar 2015
First published
27 Mar 2015

Catal. Sci. Technol., 2015,5, 2994-3006
Article type
Paper
Author version available

Reactivity of ethanol over hydroxyapatite-based Ca-enriched catalysts with various carbonate contents

L. Silvester, J. Lamonier, J. Faye, M. Capron, R. Vannier, C. Lamonier, J. Dubois, J. Couturier, C. Calais and F. Dumeignil, Catal. Sci. Technol., 2015, 5, 2994
DOI: 10.1039/C5CY00327J

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