Fe particles on the tops of carbon nanofibers immobilized on structured carbon microfibers for ammonia decomposition

被引：24
|
作者：
Ji, Jian [1 ]
Duan, Xuezhi [1 ]
Qian, Gang [1 ]
Li, Ping [1 ]
Zhou, Xinggui [1 ]
Chen, De [2 ]
Yuan, Weikang [1 ]
机构：
[1] E China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
[2] Norwegian Univ Sci & Technol, Dept Chem Engn, N-7491 Trondheim, Norway
来源：
CATALYSIS TODAY | 2013年 / 216卷
基金：
中国博士后科学基金;
关键词：
Structured Fe catalyst; Fe particles on the tops of CNFs; alpha-Fe(C); Fe3C; Ammonia decomposition; IRON CATALYST; HYDROGEN; COMPOSITE; NANOPARTICLES; POTASSIUM; KINETICS; REACTOR; SIZE;
D O I：
10.1016/j.cattod.2013.06.008
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Fe particles on the tops of carbon nanofibers immobilized on structured carbon microfibers (Fe-CNFs/CMFs) were prepared in situ by the catalytic decomposition of CO over Fe/CMFs catalyst, and their particle sizes, shapes and crystal phases were adjusted by changing the growth time of CNFs and the partial pressure of hydrogen. The as-obtained Fe-CNFs/CMFs were used as a catalyst for ammonia decomposition, which showed higher activity when they were prepared with the longer growth time of CNFs and the higher partial pressure of hydrogen. Moreover, the behavior of the typical Fe-CNFs/CMFs catalyst was also investigated when changing the experimental conditions. (C) 2013 Elsevier B.V. All rights reserved.
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页码：254 / 260
页数：7
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