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Issue 7, 2017
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Bioethanol selective oxidation to acetaldehyde over Ag–CeO2: role of metal–support interactions

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Abstract

Bioethanol oxidation was investigated over a Ag/CeO2 catalyst prepared via a wet impregnation method. The prepared catalyst was fully characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). The characterization results indicated that a part of silver was inserted into the lattice of CeO2 and it expanded the support lattice. The Ag/CeO2 catalyst was found to outperform the previously reported catalyst systems (acetaldehyde selectivity of 90% and life >36 h) from 200 °C to 350 °C, 5 atm, and gas hourly space velocity of 18 000 mL gcat−1 h−1. This study provides a path for the selective oxidation of other biomass-derived compounds.

Graphical abstract: Bioethanol selective oxidation to acetaldehyde over Ag–CeO2: role of metal–support interactions

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Publication details

The article was received on 09 Dec 2016, accepted on 22 Feb 2017 and first published on 22 Feb 2017


Article type: Paper
DOI: 10.1039/C6NJ03853K
Citation: New J. Chem., 2017,41, 2636-2641
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    Bioethanol selective oxidation to acetaldehyde over Ag–CeO2: role of metal–support interactions

    P. H. Rana and P. A. Parikh, New J. Chem., 2017, 41, 2636
    DOI: 10.1039/C6NJ03853K

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