Hydroxyapatite nanowires rich in [Ca–O–P] sites for ethanol direct coupling showing high C6–12 alcohol yield

Herein, we have shown that the [Ca–O–P] sites exposed on hydroxyapatite are clearly responsible for C–C formation in ethanol direct-coupling, and their high density accelerates the C–C coupling rate and boosts C6–12 alcohol production. Notably, nanowire-like hydroxyapatite exhibited 30.4% selectivit...

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Published inChemical communications (Cambridge, England) Vol. 55; no. 70; pp. 10420 - 10423
Main Authors Qing-Nan Wang, Zhou, Bai-Chuan, Xue-Fei Weng, Shao-Pei Lv, Schüth, Ferdi, An-Hui, Lu
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 2019
Subjects
Alcohol
Butanol
Coupling
Ethanol
Hydroxyapatite
Nanowires
Selectivity
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Summary:Herein, we have shown that the [Ca–O–P] sites exposed on hydroxyapatite are clearly responsible for C–C formation in ethanol direct-coupling, and their high density accelerates the C–C coupling rate and boosts C6–12 alcohol production. Notably, nanowire-like hydroxyapatite exhibited 30.4% selectivity to n-butanol and 63.9% selectivity to C6–12OH at a conversion of 45.7% at 325 °C, and thereby close to 30% yield of C6–12OH, which is greatly higher than that using the state-of-the-art catalysts (6%).
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ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc05454e