Preparation of nano-Ru/[Bmim][BF4] catalyst and its application in the benzene selective hydrogenation

被引：1
|
作者：
Wei Junfang [1 ]
Wang Yanji [1 ]
Li Juan [1 ]
Xue Wei [1 ]
机构：
[1] Hebei Univ Technol, Key Lab Green Chem Technol & High Efficient Energ, Tianjin, Peoples R China
来源：
MECHANICAL AND AEROSPACE ENGINEERING, PTS 1-7 | 2012年 / 110-116卷
关键词：
Ru nanoparticles; ionic liquids; selective hydrogenation; benzene; IONIC LIQUIDS; NANOPARTICLES; CYCLOHEXENE; NANORODS;
D O I：
10.4028/www.scientific.net/AMM.110-116.1906
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The nano-Ru/[Bmim][BF4] catalyst was prepared for benzene selective hydrogenation in 1-n-butyl-3- methylimidazolium tetrafluoroborate [Bmim][BF4] by chemical reduction method. TEM analysis of these nanoparticles sho wed the monodisperse Ru-0 particles which were prepared by positive dropping method dispersed in the ionic liquids with diameters less than 5nm. The Ru-0 particles which were prepared by reverse dropping method agglomerated with diameters more than 10nm. KBH4 was the suitable reductant. The optimum loading of Ru was 1.5%. The hydrogenation activity of Ru/ [Bmim] [BF4] was high and the selectivity of cyclohexene was very low. Selectivity of cyclohexene was only 14.5% at 27.3 % benzene conversion.
引用
收藏
页码：1906 / 1911
页数：6
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