NDLI: Pt-Promoted Cu/SBA-15 Catalysts with Excellent Performance for Chemoselective Hydrogenation of Dimethyl Oxalate to Ethylene Glycol

Content Provider	Springer Nature Link
Author	Zheng, Xinlei Lin, Haiqiang Zheng, Jianwei Ariga, Hiroko Asakura, Kiyotaka Yuan, Youzhu
Copyright Year	2014
Abstract	Cu/SBA-15 catalysts containing a small amount of Pt (Cu–Pt/SBA-15) were prepared by sequential adsorption–reduction method and examined for chemoselective hydrogenation of dimethyl oxalate (DMO) to ethylene glycol (EG). The Cu–Pt/SBA-15 catalyst with an optimal Cu/Pt atomic ratio of 10 showed a DMO conversion close to 100 % with a 98 % selectivity to EG at a temperature as low as 463 K. The results showed that the best Cu–Pt/SBA-15 enhanced the space time yield of EG by about 1.47 times compared with Cu/SBA-15. The introduction of Pt with stronger ability for H$_{2}$ adsorption and activation substantially enhanced the reducibility of the Cu$^{2+}$ species and further promoted the chemisorption capacity of H$_{2}$. After reduction, a portion of Cu was alloyed with Pt, which was beneficial for the generation and stabilization of a balanced Cu$^{+}$/Cu$^{0}$ ratio during the hydrogenation process.
Starting Page	1015
Ending Page	1025
Page Count	11
File Format	PDF
ISSN	10225528
Journal	Topics in Catalysis
Volume Number	57
Issue Number	10-13
e-ISSN	15729028
Language	English
Publisher	Springer US
Publisher Date	2014-04-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Copper Platinum Alloy Dimethyl oxalate Hydrogenation Ethylene glycol Catalysis Physical Chemistry Pharmacy Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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