Behavior of adsorbed diphenyl-sulfide on the Pd/C catalyst for o-chloronitrobenzene hydrogenation

被引：1
|
作者：
Chang Su [1 ]
Xiao-Nian Li [1 ]
Qun-Feng Zhang [1 ]
Lei Ma [1 ]
Chun-Shan Lu [1 ]
Feng Feng [1 ]
机构：
[1] Industrial Catalysis Institute of Zhejiang,University of Technology
来源：
Chinese Chemical Letters | 2013年 / 24卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Pd-Ph2S（x）/C; o-Chloronitrobenzene; Hydrogenation;
D O I：
暂无
中图分类号：
O643.32 [催化反应];
学科分类号：
081705 ;
摘要：
A series of diphenyl-sulfide（Ph;S）-immobilized Pd/C catalysts(Pd-Ph;S;/C) were prepared using the wetness-impregnation and immobilization method.Pd-Ph;S;w/C catalysts employed for the hydrogenation of o-chloronitrobenzene showed very high selectivity.The structure of Pd-Ph;S;/C with different molar ratio of ligand（x-values） was characterized by XPS and TG-DSC-MS.The results suggest a "saturated" surface ratio of Ph;S/Pd（about 0.3） was formed on the Pd-Ph;S;/C catalysts surface.The Ph;S immobilized on the Pd particle is quite stable,and the desorption of Ph;S or dissociative loss of phenyl group was only found at temperatures above 500 K.The possible catalytic mechanism of the Pd-Ph;S;/C catalyst was also discussed.
引用
收藏
页码：59 / 62
页数：4
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