Textural Structure Effect of SiO2 on the Catalytic Performance for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol over Different Cu-based Catalysts

Acta Chimica Sinica ›› 2010, Vol. 68 ›› Issue (13): 1285-1290. Previous Articles Next Articles

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介孔氧化硅织构效应对铜基催化剂在草酸二甲酯催化加氢合成乙二醇反应中的影响

尹安远，郭晓洋，戴维林*，范康年

(复旦大学化学系上海市分子催化和功能材料重点实验室上海 200433)

投稿日期:2009-12-22 修回日期:2010-01-25 发布日期:2010-03-03
通讯作者: 戴维林 E-mail:wldai@fudan.edu.cn
基金资助:
国家自然科学基金;上海市科学技术委员会

Textural Structure Effect of SiO₂ on the Catalytic Performance for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol over Different Cu-based Catalysts

YIN An-Yuan, GUO Xiao-Yang, DAI Wei-Lin-*, FAN Kang-Nian

(Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433)

Received:2009-12-22 Revised:2010-01-25 Published:2010-03-03
Contact: DAI Wei-Lin E-mail:wldai@fudan.edu.cn

Abstract

A series of mesoporous SiO₂ supported Cu catalysts prepared by deposition precipitation method were investigated to research the textural structure effect on the catalytic performance for hydrogenation of dimethyl oxalate (DMO) to ethylene glycol (EG). The 100% DMO conversion and 95% selectivity can be obtained under the copper-containing catalyst synthesized by SBA-15 with regular two-dimensional hexagonal pore structure as support. XRD, BET, H₂-TPR, N₂O titration and XPS were used to characterize the intrinsic essence of the catalyst. It is suggested that the dispersion of copper species and the interaction between the copper species and the silica are closely related to the textural structure and play a crucial role in the hydrogenation of DMO to EG.

Key words: Cu/SiO₂, dimethyl oxalate (DMO), ethylene glycol (EG), textural structure effect, mesoporous silica

Cite this article

YIN An-Yuan, GUO Xiao-Yang, DAI Wei-Lin-*, FAN Kang-Nian. Textural Structure Effect of SiO₂ on the Catalytic Performance for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol over Different Cu-based Catalysts[J]. Acta Chimica Sinica, 2010, 68(13): 1285-1290.

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介孔氧化硅织构效应对铜基催化剂在草酸二甲酯催化加氢合成乙二醇反应中的影响

Textural Structure Effect of SiO₂ on the Catalytic Performance for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol over Different Cu-based Catalysts

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