Catalytic application of mesoporous molecular sieves to vapor-phase Beckmann rearrangement of cyclohexanone oxime

被引：53

作者：

Dai, LX ^{[1
]}

Koyama, K ^{[1
]}

Tatsumi, T ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Inst Engn Res, Tokyo 1138656, Japan

来源：

CATALYSIS LETTERS | 1998年 / 53卷 / 3-4期

关键词：

Beckmann rearrangement; mesoporous molecular sieves; MCM-41; FSM-16; alcohol diluent effect; 1-hexanol;

D O I：

10.1023/A:1019038829725

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：

The vapor-phase Beckmann rearrangement of cyclohexanone oxime to epsilon-caprolactam catalyzed by mesoporous molecular sieves was studied. The proton-form mesoporous molecular sieves, B-MCM-41 and H-FSM-16, exhibited extremely high activity, selectivity and stability for epsilon-caprolactam formation when 1-hexanol was used as diluent. The weak acid sites and/or surface silanol groups of mesoporous molecular sieves play an important rob in the selective epsilon-caprolactam formation.

引用

页码：211 / 214

页数：4

共 25 条

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