| 溶胶凝胶法制备的Cu/SiO2催化剂及其催化草酸二甲酯加氢反应 |
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| 引用本文： | 林凌,潘鹏斌,周张锋,李兆基,杨锦霞,孙明玲,姚元根.溶胶凝胶法制备的Cu/SiO2催化剂及其催化草酸二甲酯加氢反应[J].催化学报,2011,32(6):957-969. |
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| 作者姓名： | 林凌 潘鹏斌 周张锋 李兆基 杨锦霞 孙明玲 姚元根 |
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| 作者单位： | 中国科学院福建物质结构研究所结构化学国家重点实验室; |
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| 基金项目： | 国家重点基础研究发展计划(973计划,2009CB939803); 国家科技支撑计划项目(2009BAE89B00); 中国科学院知识创新工程重要方向项目(KJCX2.YW.319); 福建省纳米材料重点实验室基金(2006L2005); 福建省自然科学基金(2009J05041)~~ |
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| 摘 要： | 采用溶胶凝胶法制备了用于草酸二甲酯加氢合成乙二醇的Cu/SiO2催化剂,在优化的反应条件下,当催化剂中Cu含量为15%～25%时,草酸二甲酯转化率和乙二醇选择性分别达到99.9%和95.0%.通过N2吸附-脱附、透射电镜、X射线衍射、氢气程序升温还原、N2O滴定法和X射线光电子能谱等手段对各Cu/SiO2催化剂进行了表...
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| 关 键 词： | 溶胶凝胶法 草酸二甲酯 加氢 铜 二氧化硅 乙二醇 包裹作用 团聚作用 |
Cu/SiO_2 Catalysts Prepared by the Sol-Gel Method for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol |
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| LIN Ling,PAN Pengbin,ZHOU Zhangfeng,LI Zhaoji,YANG Jinxia,SUN Minling,YAO Yuangen.Cu/SiO_2 Catalysts Prepared by the Sol-Gel Method for Hydrogenation of Dimethyl Oxalate to Ethylene Glycol[J].Chinese Journal of Catalysis,2011,32(6):957-969. |
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| Authors: | LIN Ling PAN Pengbin ZHOU Zhangfeng LI Zhaoji YANG Jinxia SUN Minling YAO Yuangen |
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| Institution: | LIN Ling,PAN Pengbin,ZHOU Zhangfeng,LI Zhaoji,YANG Jinxia,SUN Minling,YAO Yuangen* State Key Laboratory of Structural Chemical Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,Fujian,China |
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| Abstract: | A series of Cu/SiO2 catalysts for the hydrogenation of dimethyl oxalate to ethylene glycol were prepared by the sol-gel method.Under optimized hydrogenation conditions,dimethyl oxalate conversion and ethylene glycol selectivity were found to reach 99.9% and 95.0%,respectively,upon varying the copper loading between 15% and 25%.The prepared catalysts were characterized by N2-physisorption,transmission electron microscopy,X-ray diffraction,H2-temperature-programmed reduction,N2O titration,and X-ray photoelect... |
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| Keywords: | sol-gel method dimethyl oxalate hydrogenation copper silica ethylene glycol encapsulation agglomeration |
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