| Mg-Zn-Al三金属类水滑石的合成及其复合氧化物的催化性能 |
| Synthesis of Mg-Zn-Al Hydrotalcites-Like and Catalytic Activities of their Composite Oxides |
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| 摘要: |
| 关键词: 类水滑石 异丙醇 CO2-TPD 脱氢 |
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| Abstract: A series of Mg-Zn-Al hydrotalcites-like with different Mg/Zn molar ratios are synthesized by co-precipitation method and characterized by XRD. The reactions of dehydrogenation or dehydration of isopropanol are carried out using the Mg-Zn-Al mixed oxides obtained from calcination of Mg-Zn-Al hydrotalcites-like. All of the Mg-Zn-Al mixed oxides show high catalytic activity on isopropanol dehydrogenation reaction. The acetone selectivity achieves more than 95%. The relation between catalytic activity and basicity of the catalysts is discussed by CO2-TPD technique. |
| Keywords: hydrotalcites-like isopropanol CO2-TPD dehydrogenation |
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| 摘要点击次数: 1494 |
| 全文下载次数: 1955 |
| 葛云红,陆维敏,毛建新.Mg-Zn-Al三金属类水滑石的合成及其复合氧化物的催化性能[J].无机化学学报,2002,18(11):1143-1146. |
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