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Published on: August 17, 2019
A Ni-foam-structured MoNi4-MoOx nanocomposite catalyst for hydrogenation of dimethyl oxalate to ethanol
Jian Zhu1, Weidong Sun, Song Wang
1Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering East China Normal University, Shanghai 200062, China. ylu@chem.ecnu.edu.cn.
Abstract:
We report a Ni-foam-structured MoNi4-MoOx nanocomposite catalyst derived from NiMoO4 spinel in situ grown on Ni-foam, which is highly active, selective (>93%) and stable for the gas-phase hydrogenation of dimethyl oxalate to ethanol. Such a reaction proceeds mainly through ethylene glycol formation, whereas a pathway through methyl acetate (MA) formation also occurs. Catalyst activity and selectivity are primarily governed by the MoNi4 nanoalloy but can be further improved by an MoOx modifier, due to the synergistic MoNi4-MoOx interaction that markedly promotes the MA hydrogenation to EtOH.
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