Application of zeolite in Beckmann rearrangement of cyclohexanone oxime

被引：7

作者：

Wang, Kaiwei ^{[1
]}

Wang, Fumin ^{[1
]}

Zhai, Yi ^{[1
]}

Wang, Jiawei ^{[1
]}

Zhang, Xu ^{[1
]}

Li, Mengyue ^{[1
]}

Jiang, Linfang ^{[1
]}

Fan, Xiaolu ^{[1
]}

Bing, Changhao ^{[1
]}

Zhang, Jinjin ^{[1
]}

Zhang, Xubin ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300350, Peoples R China

来源：

MOLECULAR CATALYSIS | 2023年 / 535卷

关键词：

Cyclohexanone oxime; Beckmann rearrangement; Zeolite; Reaction and deactivation mechanism; Active site; EPSILON-CAPROLACTAM; ACTIVE-SITES; MESOPOROUS SILICA; CATALYST DEACTIVATION; N-15-CYCLOHEXANONE OXIME; BETA-ZEOLITES; ACID; AL-MCM-41; SBA-15; NMR;

D O I：

10.1016/j.mcat.2022.112881

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：

Caprolactam is an important raw material for petrochemical products and chemical fiber, and it is also a raw material for nylon-6 fiber and resin production. This paper reviews the application of different types of zeolites and ordered mesoporous materials in Beckmann rearrangement of cyclohexanone oxime. The effects of topo-logical structure, Si/Al ratio, top-down processing, heteroatom loading, pore structure and reaction parameters (include solvent effect, reaction temperature, space velocity, carrier gas flow rate, additives, feed ratio of raw materials and pretreatment) on the catalytic performance of zeolite system were discussed. The active sites, reaction mechanism and deactivation mechanism of Beckmann rearrangement of cyclohexanone oxime were summarized. It is of great significance for the design of efficient catalysts for Beckmann rearrangement.

引用

页数：20

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