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In relation to this article, we declare that there is no conflict of interest.
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Received November 1, 2021
Accepted March 9, 2022
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Ethanol dry reforming over ordered mesoporous Co-Zn composite oxide for syngas production

Faculty of Light Industry and Chemical Engineering, Dalian Polytechnic University, 116023 Dalian, China 1Faculty of Environment and Life, Beijing University of Technology, 100124, Beijing, China 2Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, 454000 Jiaozuo, China
secat@bjut.edu.cn
Korean Journal of Chemical Engineering, July 2022, 39(7), 1744-1752(9), 10.1007/s11814-022-1105-4
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Abstract

This work is mainly concerned with the synthesis of Co-Zn nanocomposites by employing MCM-41 silica as hard template (CoZnO-HT) and its catalytic behavior toward to CO2 reforming with ethanol. The physicochemical features of the as-prepared catalysts were probed through various characterization techniques, including XRD, TEM, BET, H2-TPR, and XPS. Indeed, CoZnO-HT catalyst possessed a highly ordered mesostructure with similarity to MCM-41 template and a higher specific surface area (304m2/g) compared to the reference CoZnO-C sample (4.75m2/ g) prepared by the conventional impregnation method. Consequently, CoZnO-HT exhibited good performance at low temperature, and full ethanol conversion could be achieved at 550℃ as well as the negligible formation of byproduct acetone. In addition, this catalyst depicted good stability and no obvious deactivation was observed after 40 h time on stream tests under the stoichiometric feed ratio. Indeed, superior specific surface area and efficient mass transport within the mesopores might be critical factors assigned to better activity and stability for CoZnO-HT.

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