引用本文:
【打印本页】   【HTML】   【下载PDF全文】   View/Add Comment  【EndNote】   【RefMan】   【BibTex】
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 1233次   下载 578 本文二维码信息
码上扫一扫!
分享到: 微信 更多
Synthesis of Higher Alcohols from Syngas over Alkali Promoted K-Co-Mo Catalysts Supported on Multi-walled Carbon Nanotubes
Li-li Ji1, Huan Li2, Wei Zhang2, Song Sun2, Chen Gao2, Jun Bao2, Yun-sheng Ma1
1.Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;2.National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
Abstract:
A series of carbon nanotubes-supported K-Co-Mo catalysts were prepared by a sol-gel method combined with incipient wetness impregnation.The catalyst structures were characterized by X-ray diffraction,N2 adsorption-desorption,transmission electron microscopy and H2-TPD,and its catalytic performance toward the synthesis of higher alcohols from syngas was investigated.The as-prepared catalyst particles had a low crystallization degree and high dispersion on the outer and inner surface of CNTs.The uniform mesoporous structure of CNTs increased the diffusion rate of reactants and products,thus promoting the reaction conversion.Furthermore,the incorporation of CNTs support led to a high capability of hydrogen absorption and spillover and promoted the formation of alkyl group,which served as the key intermediate for the alcohol formation and carbon chain growth.Benefiting from these characteristics,the CNTs supported Mo-based catalyst showed the excellent catalytic performance for the higher alcohols synthesis as compared to the unsupported catalyst and activated carbon supported catalyst.
Key words:  CO hydrogenation  Higher alcohol synthesis  Mo-based catalyst  CNTs support
FundProject:This work was supported by National Natural Science Foundation of China (No.21673214).
K-Co-Mo/CNTs催化剂合成低碳醇性能研究
姬丽丽1, 李欢2, 张伟2, 孙松2, 高琛2, 鲍骏2, 马运生1
1.中国科学技术大学化学物理系, 合肥 230026;2.中国科学技术大学国家同步辐射实验室, 合肥 230029
摘要:
关键词:  
DOI:10.1063/1674-0068/30/cjcp1703061
分类号: