Selectivity Tuning Options in Hydrogenation of m-Chloronitrobenzene to m-Chloroaniline Over Mono- and Bimetallic Supported Pt Catalysts

被引：8

作者：

Mane, Rasika B. ^{[1
]}

Potdar, Aparna S. ^{[1
]}

Nadgeri, Jayprakash M. ^{[1
]}

Biradar, Narayan S. ^{[1
]}

Rode, Chandrashekhar V. ^{[1
]}

机构：

[1] CSIR Natl Chem Lab, Chem Engn & Proc Dev Div, Pune 411008, Maharashtra, India

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2012年 / 51卷 / 48期

关键词：

TRANSITION-METAL CR; PLATINUM CATALYST; REACTION-KINETICS; CARBON; NI; PT/C; FE; CO; CU;

D O I：

10.1021/ie301363x

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Supported monometallic (Pt, Ni,) and bimetallic (Ni-Pt) catalysts were prepared for the selective liquid phase hydrogenation of m-chlronitrobenzene to m-chloroaniline (m-CAN). It was found that the use of sodium carbonate as an additive substantially reduced the extent of dehydrohalogenation in the case of monometallic, 1% Pt/C catalyst, to give the highest selectivity of 96% to m-CAN. Ni-Pt bimetallic catalyst although showed almost complete selectivity (>99%) to m-chloroaniline; its activity was several fold lower than that of 1% Pt/C Na2CO3 system. However, compared with Ni monometallic catalyst, bimetallic Ni-Pt showed higher activity and selectivity due to the presence of electron rich surface metallic Pt stabilized by Ni having lower ionization potential compared with Pt.

引用

页码：15564 / 15572

页数：9

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