Selective Hydrogenation of Benzene to Cyclohexene over the Nano-Sized Ru-Zn Catalyst Modified by Arabic Gum

被引：0
|
作者：
Sun Hai-Jie [1 ]
Chen Jian-Jun [1 ]
Huang Zhen-Xu [1 ]
Liu Zhong-Yi [2 ]
Liu Shou-Chang [2 ]
机构：
[1] Zhengzhou Normal Univ, Dept Chem, Inst Environm & Catalyt Engn, Zhengzhou 450044, Peoples R China
[2] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China
来源：
CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2016年 / 32卷 / 02期
关键词：
benzene; selective hydrogenation; cyclohexene; arabic gum; Ru; Zn; LIQUID-PHASE HYDROGENATION; NANOPARTICLES; PERFORMANCE; ADDITIVES; ZIRCONIA;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A nano-sized Ru-Zn catalyst was prepared by a co-precipitation method and the effect of arabic gum modification on the performance of Ru-Zn catalysts was investigated. The catalysts were characterized by X-ray diffraction (XRD), transimission electron microscopy (TEM), N-2 physisorption, X-ray photoelectron spectroscopy (XPS), and X-ray fluorescence (XRF). It was found that the dosage of arabic gum could tune the particle size of the Ru-Zn catalysts. The maximum cyclohexene yield showed a volcanic-type variation tendency with the particle size of Ru-Zn catalysts increasing. When the mass ratio of arabic gum to RuCl3 center dot xH(2)O was 0.033, a Ru-Zn catalyst with a optimum particle size of 4.0 nm was obtained, and a maximum cyclohexene yield of 59.6% was achieved. Moreover, the catalyst exhibited the excellent reusability.
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页码：202 / 210
页数：9
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