Development of advanced zeolite catalysts for the vapor phase Beckmann rearrangement of cyclohexanone oxime

被引：22

作者：

Dai, LX ^{[1
]}

Iwaki, Y ^{[1
]}

Koyama, K ^{[1
]}

Tatsumi, T ^{[1
]}

机构：

[1] UNIV TOKYO,SCH ENGN,ENGN RES INST,YAYOI,TOKYO 113,JAPAN

来源：

APPLIED SURFACE SCIENCE | 1997年 / 121卷

关键词：

Beckmann rearrangement; zeolites; diluent effect; higher alcohols;

D O I：

10.1016/S0169-4332(97)00320-6

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 various zeolites was studied. The catalytic performance was greatly affected by both the zeolite structure and diluent solvent. When 1-hexanol was used in place of benzene, the catalytic performance of all catalysts except silicalite-1 was greatly improved. In particular, the selectivity and stability of H-LTL and H-OFF-ERI zeolites remarkably increased; both catalysts exhibited ca. 100% oxime conversion and epsilon-caprolactam selectivity of > 95% for 6 h. (C) 1997 Elsevier Science B.V.

引用

页码：335 / 338

页数：4

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