氮掺杂的有序介孔碳负载钴纳米颗粒用于脂肪酰胺的催化加氢
Nitrogen-Doped Ordered Mesoporous Carbon Supported Co Nanoparticles Catalyzed Hydrogenation of Aliphatic Amides
郑欢 1高玮 2刘泽邦 2何林1
作者信息
- 1. 中国科学院兰州化学物理研究所羰基合成与选择氧化国家重点实验室,甘肃兰州 730000;中国科学院大学,北京 100049
- 2. 中国科学院兰州化学物理研究所羰基合成与选择氧化国家重点实验室,甘肃兰州 730000
- 折叠
摘要
酰胺的选择性加氢可以作为有机胺的一种生产路径.传统的酰胺加氢多相催化体系多采用贵金属催化剂和高压氢气,存在成本较高的问题.我们采用离子交换热解法制备了氮掺杂有序介孔碳负载钻纳米颗粒催化剂(Co/MNC),该催化剂在脂肪族酰胺加氢反应中表现出良好的活性和选择性.结果表明,负载型Co催化剂在500 ℃下热解后,Co纳米颗粒分散均匀,催化剂表面同时存在金属Co0和具有路易斯酸性的CoOx,催化性能明显优于Co/MNC-600 和 Co/MNC-700.
Abstract
Selective hydrogenation of amides is an attractive route for the production of amines.Traditional processes commonly used noble metal catalysts and high-pressure H2,which are not cost-saving and selectivity-controllable.Nitrogen-doped ordered mesoporous carbon supported Co nanoparticles catalysts(Co/MNC)were prepared via an ion exchange-pyrolysis strategy,which showed good activity and selectivity in hydrogenation of aliphatic amides.It was found that the supported Co catalysts pyrolyzed at 500 ℃ possessed the uniform dispersion of Co nanoparticles and the co-existence of Co0 and Lewis acidic CoOx species,thus resulting in a boosted catalytic performance,which was more active than other counterparts as well as Co/MNC-600 and Co/MNC-700.
关键词
氮掺杂有序介孔碳/钴纳米颗粒/加氢/脂肪酰胺Key words
nitrogen-doped ordered mesoporous carbon/Co nanoparticles/hydrogenation/aliphatic amides引用本文复制引用
基金项目
Natural Science Foundation of Jiangsu Province(BK20211094)
出版年
2024
NETL
NSTL
万方数据