Catalytic hydrogenation and dehydrogenation of N-ethylindole as a new heteroaromatic liquid organic hydrogen carrier

被引：73
|
作者：
Dong, Yuan [1 ]
Yang, Ming [1 ]
Yang, Zihua [1 ]
Ke, Hanzhong [1 ]
Cheng, Hansong [1 ]
机构：
[1] China Univ Geosci, Fac Mat Sci & Chem, Sustainable Energy Lab, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2015年 / 40卷 / 34期
关键词：
N-ethylindole; Catalytic hydrogenation; Catalytic dehydrogenation; Hydrogen purity; SUPPORTED RUTHENIUM; ENERGY-STORAGE; RU CATALYST; ETHYLCARBAZOLE; KINETICS; CYCLOHEXANE; HYDROGENATION/DEHYDROGENATION; 9-ETHYLCARBAZOLE; PERFORMANCE; RELEASE;
D O I：
10.1016/j.ijhydene.2015.05.196
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Hydrogenation of N-ethylindole was investigated over a 5 wt% Ru/Al2O3 catalyst in the temperature range of 160-190 degrees C at 9 MPa. The process was found to undergo the sequential steps of N-ethylindole -> 2H-N-ethylindole -> 4H-N-ethylindole -> 8H-N-ethylindole with rapid consumption of all intermediate species. The reverse process, dehydrogenation of octahydro-N-ethylindole, was subsequently conducted for tests over a 5 wt % Pd/Al2O3 catalyst in the same temperature range. Full dehydrogenation can be achieved with a moderate reaction rate. The released H-2 gas was found to be of a high purity. Our results indicate that N-ethylindole is a promising new member of liquid organic hydrogen carrier family. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：10918 / 10922
页数：5
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