Selective hydrogenation of m-chloronitrobenzene to m-chloroaniline over polyvinylpyrrolidone-stabilized Pt and Pt/Sn catalysts

被引：0
|
作者：
Feng Li
Rui Ma
Hualin Song
Hua Song
Dezhi Yu
机构：
[1] Northeast Petroleum University,Provincial Key Laboratory of Oil & Gas Chemical Technology, College of Chemistry & Chemical Engineering
[2] Mudanjiang Medical University,Key Laboratory of Cancer Prevention and Treatment of Heilongjiang Province
来源：
Russian Journal of Physical Chemistry A | 2015年 / 89卷
关键词：
selective hydrogenation; -chloronitrobenzene; Pt catalysts; Pt-Sn catalysts; catalysts modification;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A Pt-polyvinylpyrrolidone (PVP) catalyst was synthesized via chemical reduction of platinum ions with hydrazine hydrate in a PVP/n-butanol/H2PtCl6 aqueous solution. Its catalytic activity was evaluated by the liquid-phase hydrogenation of m-chloronitrobenzene (m-CNB) to m-chloroaniline (m-CAN) under mild conditions (T = 303 K, p = 0.1 MPa). The as prepared catalyst exhibited higher activity and selectivity than prepared via conventional ethanol reduction with the same platinum load. The catalytic performance of PVP-Pt catalyst was remarkably improved by addition of 0.2 wt % Sn4+. The modification mechanism may be related with the interaction of Sn4+ with nitro group of m-CNB and -NH2 in m-CAN.
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页码：766 / 770
页数：4
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