Effect of feedstock solvent on the stability of Cu/SiO2 catalyst for vapor-phase hydrogenation of dimethyl oxalate to ethylene glycol

Jingdong Lin; Xiaoqin Zhao; Yunhe Cui; Hongbin Zhang; Daiwei Liao

doi:10.1039/C1CC15783C

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Effect of feedstock solvent on the stability of Cu/SiO₂catalyst for vapor-phase hydrogenation of dimethyl oxalate to ethylene glycol†

Jingdong Lin,*^a Xiaoqin Zhao,^a Yunhe Cui,^a Hongbin Zhang^a and Daiwei Liao^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Physical Chemistry for Solid Surfaces, National Engineering Laboratory for Green Chemical Productions of Alcohols–Ethers–Esters, Institute of Physical Chemistry, Xiamen University, Xiamen 361005, China
E-mail: jdlin@xmu.edu.cn
Fax: +86-592-2183043
Tel: +86-592-2183045

Abstract

The lifetime (200 h) of a Cu/SiO₂ catalyst under DMO–ethanol feedstock is 20 times longer than that (10 h) of the catalyst under DMO–methanol feedstock without any modification of the catalyst. The stabilization effect of ethanol on the active centers can effectively slow down the agglomeration of copper particles during the hydrogenation process.

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Article information

DOI: https://doi.org/10.1039/C1CC15783C
Article type: Communication
Submitted: 19 Sep 2011
Accepted: 17 Nov 2011
First published: 12 Dec 2011

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Chem. Commun., 2012,48, 1177-1179

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Effect of feedstock solvent on the stability of Cu/SiO₂ catalyst for vapor-phase hydrogenation of dimethyl oxalate to ethylene glycol

J. Lin, X. Zhao, Y. Cui, H. Zhang and D. Liao, Chem. Commun., 2012, 48, 1177 DOI: 10.1039/C1CC15783C

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