| 粘土担载的钼基催化剂的制备、结构及CO加氢合成醇性能 |
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| 引用本文： | 武改美,周纪龙,吕梅梅,谢威,孙松,高琛,汪文栋,鲍骏.粘土担载的钼基催化剂的制备、结构及CO加氢合成醇性能[J].化学物理学报,2015,28(5):604-610. |
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| 作者姓名： | 武改美 周纪龙 吕梅梅 谢威 孙松 高琛 汪文栋 鲍骏 |
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| 作者单位： | 中国科学技术大学化学物理系，合肥230026,中国科学技术大学国家同步辐射实验室，合肥230029,中国科学技术大学国家同步辐射实验室，合肥230029,中国科学技术大学国家同步辐射实验室，合肥230029,中国科学技术大学国家同步辐射实验室，合肥230029,中国科学技术大学国家同步辐射实验室，合肥230029,中国科学技术大学化学物理系，合肥230026,中国科学技术大学国家同步辐射实验室，合肥230029 |
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| 摘 要： | 采用溶胶凝胶法与等体积浸渍相结合制备了一系列以粘土为载体的K-Co-Mo催化剂. 采用XRD、N2等温吸脱附、H26+的还原，但对Mo4+和Co2+的还原没有明显的影响. 催化剂经还原后，在其表面生成了一种更低价态的Moδ+(1<δ<4)物种，被认为是合成醇的活性中心. 与非负载催化剂相比，粘土担载的K-Co-Mo具有更高的合成醇性能. 负载型催化剂具有较高的活性物种分散度，并且其介孔结构在一定程度上延长了合成醇反应中间体的滞留时间，从而促进了低碳醇的生成. 经773 K还原的催化剂具有较高的活性，其原因可为催化剂表面具有较高含量的Moδ+物种.
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| 关 键 词： | 低碳醇合成，粘土载体，K-Co-Mo催化剂，合成气 |
| 收稿时间： | 2015/4/17 0:00:00 |
Clay-Supported Molybdenum-Based Catalysts for Higher Alcohol Synthesis from Syngas |
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| Gai-mei Wu,Ji-long Zhou,Mei-mei Lv,Wei Xie,Song Sun,Chen Gao,Wen-dong Wang and Jun Bao.Clay-Supported Molybdenum-Based Catalysts for Higher Alcohol Synthesis from Syngas[J].Chinese Journal of Chemical Physics,2015,28(5):604-610. |
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| Authors: | Gai-mei Wu Ji-long Zhou Mei-mei Lv Wei Xie Song Sun Chen Gao Wen-dong Wang and Jun Bao |
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| Institution: | Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China,National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China,Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China and National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China |
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| Abstract: | |
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| Keywords: | Higher alcohol synthesis Clay support K-Co-Mo catalyst Syngas |
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