| 活性炭担载的Rh-M0-K合成醇催化剂 |
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| 引用本文： | 李忠瑞,伏义路,姜明,胡天斗,刘涛,谢亚宁.活性炭担载的Rh-M0-K合成醇催化剂[J].化学物理学报,2001,14(3):355-360. |
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| 作者姓名： | 李忠瑞 伏义路 姜明 胡天斗 刘涛 谢亚宁 |
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| 作者单位： | [1]中国科学技术大学化学物理系,合肥230026 [2]中国科学院高能物理研究所,北京100039 |
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| 基金项目： | 本工作得到北京同步辐射装置重点课题支持 |
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| 摘 要： | 采用XRD、EXAFS等技术研究向微量贵金属Rh对活性炭担载的Rh-Mo-K合成醇催化剂结构的影响，并关联其催化性能。氧化态Rh-Mo-K／AC样品中Rh与Mo有着较强的相互作用，使得K2Mo2O7向MoO2转化。硫化还原后，Mo主要以MoS2微晶形式存在，其有序结构尺度随Rh含量的增加而减小。经Rh助剂修饰后，催化剂的合成醇催化性能有明显的提高。
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| 关 键 词： | 合成 低碳醇 结构 活性炭载体 钼－钾催化剂 铑助剂 催化性能 |
| 收稿时间： | 2000/10/5 0:00:00 |
Study on Active Carbon Supported Rh-Mo-K Catalysts for Alcohol Synthesis |
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| Li Zhongrui,Fu Yilu,Jiang Ming,Hu Tianduo,Liu Tao and Xie Yaning.Study on Active Carbon Supported Rh-Mo-K Catalysts for Alcohol Synthesis[J].Chinese Journal of Chemical Physics,2001,14(3):355-360. |
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| Authors: | Li Zhongrui Fu Yilu Jiang Ming Hu Tianduo Liu Tao and Xie Yaning |
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| Abstract: | The structures of oxidic and sulfided Rh-Mo-K/AC catalysts were studied by means of XRD and EXAFS techniques. Activities for mixed alcohol synthesis via CO hydrogenation were used to measure the catalytic properties of these catalysts. In the oxidic Rh-Mo-K/AC catalyst samples, there is strong interaction between Rh and Mo species, which may shift K2Mo2O7to MoO2. Molybdenum species are mainly converted into MoS2crystallites after sulfidation treatment, and the local ordered structure is shrunken with the increase in Rh loading. The incorporation of rhodium shows high performance of alcohol synthesis from carbon monoxide hydrogenation. |
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| Keywords: | Mo-based catalyst Rh promoter Mixed alcohol synthesis Structure |
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