Carbon nanofiber supported Ni catalysts for the hydrogenation of chloronitrobenzenes

被引：67
|
作者：
Wang, Chuang [1 ]
Qiu, Jieshan [1 ]
Liang, Changhai [1 ]
Xing, Li [1 ]
Yang, Xiaomin [1 ]
机构：
[1] Dalian Univ Technol, Carbon Res Lab,Sch Chem Engn, Key Lab Micro Nano Technol & Syst Liaoning Prov, State Key Lab Fine Chem,Ctr Nano Mat & Sci, Dalian 116012, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 08期
基金：
中国国家自然科学基金;
关键词：
o-chloronitrobenzene; hydrogenation; carbon nanofiber; nickel;
D O I：
10.1016/j.catcom.2008.02.003
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：
Carbon nanofiber (CNF) supported nickel catalysts for hydrogenation of o-chloronitrobenzene were prepared by deposition precipitation method in ethylene glycol. It has been found that the precipitation temperature affected both the particle size and the catalytic performance of the CNF-supported catalysts. The Ni/CNFs catalyst prepared at 80 degrees C showed the best catalytic activity. For all of the Ni/CNFs catalysts prepared in ethylene glycol, over 98% conversion of o-chloronitrobenzene and 97% selectivity can be obtained at 2 Wit and 140 degrees C. The as-synthesized Ni/CNFs catalysts are also active for the hydrogenation of m-chloronitrobenzene and p-chloronitrobenzene to the corresponding chloroanilines. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1749 / 1753
页数：5
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