| 多孔铜基催化剂的制备及对苯甲醇的选择性催化氧化 |
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| 引用本文： | 张功尚,邢新峰,管瑜,周爱秋,张晓梅,许效红.多孔铜基催化剂的制备及对苯甲醇的选择性催化氧化[J].高等学校化学学报,2013,34(4):900-905. |
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| 作者姓名： | 张功尚 邢新峰 管瑜 周爱秋 张晓梅 许效红 |
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| 作者单位： | 山东大学化学与化工学院, 济南 250100 |
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| 基金项目： | 国家自然科学基金(批准号:21171106,21176144)和山东省科技发展计划项目(批准号:2010GGX10314)资助. |
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| 摘 要： | 采用去合金化法制备了多孔铜(PC),并以此为还原剂和模板与含有贵金属离子的溶液进行置换反应,简单有效地制备了多孔M/PC(M=Ag,Au,Pt,Pd)双金属催化剂,并对样品的形貌、结构和化学组成进行了表征,利用苯甲醇气相选择性催化氧化实验评价了其催化性能.实验结果表明,所制备的多孔铜基催化剂具有良好的双金属协同催化效应,对苯甲醇气相选择性氧化具有很好的催化活性和选择性,其中Ag/PC具有最优的催化性能.
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| 关 键 词： | 多孔铜 置换反应 双金属 苯甲醇 气相催化 |
| 收稿时间： | 2012-09-28 |
Preparation of Porous Copper-based Catalysts and Their Selective Catalytic Oxidation of Benzyl Alcohol |
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| ZHANG Gong-Shang,XING Xin-Feng,GUAN Yu,ZHOU Ai-Qiu,ZHANG Xiao-Mei.Preparation of Porous Copper-based Catalysts and Their Selective Catalytic Oxidation of Benzyl Alcohol[J].Chemical Research In Chinese Universities,2013,34(4):900-905. |
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| Authors: | ZHANG Gong-Shang XING Xin-Feng GUAN Yu ZHOU Ai-Qiu ZHANG Xiao-Mei |
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| Institution: | School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China |
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| Abstract: | We fabricated porous copper(PC) by dealloying Al from Cu-Al alloy and obtained M/PC(M=Ag, Au, Pt, Pd) through galvanic replacement of Cu with noble metals using PC as reductant and template. The structural and chemical properties of the samples were characterized by X-ray diffraction(XRD) and scanning electron microscopy(SEM) with energy-dispersive X-ray spectroscopy(EDS). The catalytic performance of PC and M/PC for gas-phase selective oxidation of benzyl alcohol was investigated. PC-based M/PC catalysts showed relatively high catalytic activity in oxidation of benzyl alcohol at high temperature, among which 1% Ag/PC had the best catalytic properties. |
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| Keywords: | Porous copper Galvanic replacement Bimetal Benzyl alcohol Aerobic oxidation |
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