Gas phase synthesis of para-aminophenol from nitrobenzene on Pt/zeolite catalysts

被引：83

作者：

Komatsu, T ^{[1
]}

Hirose, T ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528550, Japan

来源：

APPLIED CATALYSIS A-GENERAL | 2004年 / 276卷 / 1-2期

关键词：

nitrobenzene hydrogenation; para-aminophenol; Bamberger rearrangement; Bi-functional catalyst; platinum; H-ZSM-5;

D O I：

10.1016/j.apcata.2004.07.044

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A single-step reaction of nitrobenzene into para-aminophenol was carried out in the gas phase using metal-supported zeolite as a bifunctional catalyst. A significant amount of para-aminophenol was produced with aniline and ortho-aminophenol without using any environmentally undesirable liquid acid. For the selective formation of para-aminophenol, Pt supported on H-ZSM-5 was the best combination of metal and acid catalysts. The selectivity to para-aminophenol depended greatly on the Al concentration of H-ZSM-5; that is, HZSM-5 with intermediate Al concentration gave the highest selectivity. Pt particles on H-ZSM-5 were characterized by the measurements of adsorbed CO, TEM and IR spectra. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：95 / 102

页数：8

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