期刊
AICHE JOURNAL
卷 59, 期 7, 页码 2530-2539出版社
WILEY
DOI: 10.1002/aic.13998
关键词
hydrogenation; ethylene glycol; syngas; copper particles
资金
- National Science Foundation of China [21276186, 21222604]
- National High Technology Research and Development Program of China [2011AA051002]
- Program for New Century Excellent Talents in University [NCET-10-0611]
- China Postdoctoral Science Foundation [20090450090]
- Seed Foundation of Tianjin University [60303002]
- Program of Introducing Talents of Discipline to Universities [B06006]
The synthesis and utilization of mesoporous Cu-MCM-41 catalysts for hydrogenation of dimethyl oxalate to ethylene glycol is described in this article. Physicochemical properties of these Cu-MCM-41 catalysts have been investigated by N2-physisorption, X-ray diffraction, inductively coupled plasma, N2O titration, transmission electron microscopy, temperature programmed reduction, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. It was found that the copper loading significantly influenced the pore structure and copper surface area of the catalyst. High catalytic performance is obtained over a 20Cu-MCM-41 catalyst with a full DMO conversion and EG yield of 92% at a LHSV of 3.0 h-1. The catalytic performance of optimized 20Cu-MCM-41 catalyst could be attributed to the fine copper dispersion and large copper surface areas. (c) 2013 American Institute of Chemical Engineers AIChE J, 59: 2530-2539, 2013
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