Hydrogenation of dimethyl oxalate to ethylene glycol over Cu/KIT-6 catalysts

Xinbin Yu; Michael Burkholder; Stavros G. Karakalos; Gregory L. Tate; John R. Monnier; B. Frank Gupton; Christopher T. Williams

doi:10.1039/D0CY02334E

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Hydrogenation of dimethyl oxalate to ethylene glycol over Cu/KIT-6 catalysts†

Xinbin Yu,^a Michael Burkholder,^b Stavros G. Karakalos,

^a Gregory L. Tate,

^a John R. Monnier,^a B. Frank Gupton^b and Christopher T. Williams

*^a

Author affiliations

* Corresponding authors

^a Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA
E-mail: willia84@cec.sc.edu

^b Department of Chemical Engineering, Virginia Commonwealth University, Richmond, VA 23284-3068, USA

Abstract

Copper supported on KIT-6 mesoporous silica was prepared via ammonia evaporation (AE) method and applied for the catalytic hydrogenation of dimethyl oxalate (DMO) to ethylene glycol (EG). The high specific surface area and interconnected mesoporous channels of the support facilitated the dispersion of copper species. The effect of AE temperature and copper loading on the structure of catalysts and induced change in hydrogenation performance were studied in detail. The results showed that both parameters influenced the overall and/or intrinsic activity. The hydrogenation of DMO to EG was proposed to proceed via the synergy between Cu⁰ and Cu⁺ sites and catalysts with high surface Cu⁰/Cu⁺ ratio exhibited high intrinsic activity in the investigated range.

This article is part of the themed collection: Catalysis Science & Technology 10th Anniversary Symposium

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Article information

DOI: https://doi.org/10.1039/D0CY02334E
Article type: Paper
Submitted: 03 Dec 2020
Accepted: 24 Jan 2021
First published: 02 Feb 2021

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Catal. Sci. Technol., 2021,11, 2403-2413

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Hydrogenation of dimethyl oxalate to ethylene glycol over Cu/KIT-6 catalysts

X. Yu, M. Burkholder, S. G. Karakalos, G. L. Tate, J. R. Monnier, B. F. Gupton and C. T. Williams, Catal. Sci. Technol., 2021, 11, 2403 DOI: 10.1039/D0CY02334E

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Catalysis Science & Technology

Hydrogenation of dimethyl oxalate to ethylene glycol over Cu/KIT-6 catalysts†

Abstract

Supplementary files

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Hydrogenation of dimethyl oxalate to ethylene glycol over Cu/KIT-6 catalysts

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