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The Nature of Active Copper Species in Cu-HMS Catalyst for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol: New Insights on the Synergetic Effect between Cu0 and Cu+
Abstract
Copper-containing mesoporous HMS catalysts prepared via a one-pot synthesis method based on sol−gel chemistry have been systematically characterized focusing on the effect of copper loading. Structural characterization of a series of different copper loading samples was performed by means of N 2 adsorption, X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, temperature programmed reduction, N 2 O titration, and X-ray photoelectron spectroscopy. It is concluded that the copper loading has a great influence on the pore structure of the catalyst. On the basis of the characterizations, the copper species on calcined CuO/HMS samples and reduced Cu/HMS samples were assigned. The synergetic effect between the Cu 0 and Cu + is considered to be responsible for the enhanced catalytic performance in the hydrogenation of dimethyl oxalate (DMO) to ethylene glycol (EG). The maximum ratio of Cu 0 /Cu + obtained via tuning the copper loading can result in the highest DMO hydrogenation activity and EG selectivity.
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Cited by
Ethylene glycol: properties, synthesis, and applications
Yue, H., Zhao, Y., Ma, X., & Gong, J. (2012) · Chemical Society Reviews · doi:10.1039/c2cs15359a · Cited by 1,180
He, Z., Lin, H., He, P., & Yuan, Y. (2011) · Journal of Catalysis · doi:10.1016/j.jcat.2010.10.010 · Cited by 373
Insight into the Balancing Effect of Active Cu Species for Hydrogenation of Carbon–Oxygen Bonds
Wang, Y., Shen, Y., Zhao, Y., Lv, J., Wang, S., & Ma, X. (2015) · ACS Catalysis · doi:10.1021/acscatal.5b01678 · Cited by 300
High-Performance and Long-Lived Cu/SiO2 Nanocatalyst for CO2 Hydrogenation
Wang, Z.-Q., Xu, Z.-N., Peng, S.-Y., Zhang, M.-J., Lu, G., Chen, Q.-S., Chen, Y., & Guo, G.-C. (2015) · ACS Catalysis · doi:10.1021/acscatal.5b00682 · Cited by 283
Zheng, X., Lin, H., Zheng, J., Duan, X., & Yuan, Y. (2013) · ACS Catalysis · doi:10.1021/cs400574v · Cited by 274
Promoting effect of boron oxide on Cu/SiO2 catalyst for glycerol hydrogenolysis to 1,2-propanediol
Zhu, S., Gao, X., Zhu, Y., Zhu, Y., Zheng, H., & Li, Y. (2013) · Journal of Catalysis · doi:10.1016/j.jcat.2013.03.018 · Cited by 263
Zhang, B., Lin, L., Zhuang, J., Liu, Y., Peng, L., & Jiang, L. (2010) · Molecules · doi:10.3390/molecules15085139 · Cited by 16
Metadata
- Authors
- Yin, A., Guo, X., Dai, W.-L., & Fan, K.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-06-02
- Volume
- 113
- Issue
- 25
- Pages
- 11003-11013
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2053395701
- Cited by
- 298
- References
- 0
- FWCI
- 4.15
- Type
- journal article
- Language
- en
- Open access
- closed
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