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化学工业与工程 2013, Vol. 30 Issue (1) :31-37    DOI:
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甲苯液相均相选择性催化氧化研究进展
 程婧, 曾爱武
天津大学化学工程联合国家重点实验室
Development on Selective Oxidation of Toluene in Homogeneous Liquid Phase System
 CHENG  Jing, ZENG  Ai-Wu
State Key Laboratory of Chemical Engineering, Tianjin University

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摘要 将甲苯液相均相选择性催化氧化反应的催化剂分为:过渡金属盐、杂多化合物、过渡金属配合物、非金属化合物、复合催化剂等,对反应条件、结果和机理进行了总结。杂多化合物或金属卟啉参与反应时,反应条件较温和,对苯甲醛和苯甲醇的选择性高。复合催化剂通常表现出更好的催化性能,而且,当催化剂由非金属催化剂和金属催化剂组成时,对产物的选择性主要取决于金属催化剂部分。此外,以甲苯侧链的氧化为重点阐述了反应机理,指出开发更高效的复合催化剂和粗甲苯的氧化工艺是今后的发展重要方向。
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程婧
曾爱武
关键词甲苯   催化氧化   液相   均相   机理     
Abstract: The homogeneous catalysts for selective oxidation of toluene in liquid phase can be divided into five types: transition metal salt, heteropoly compound, transition metal complex, nonmetallic compound and combined catalyst. The reaction conditions, results and mechanisms were summarized. The conditions were mild, and high selectivities were obtained for benzaldehyde and benzayl alcohol, when the heteropoly compound or the metalloporphyrin was used. Usually, the combined catalyst displayed better catalytic properties, and the selectivities for products were depended on the metal catalysts components, when the catalysts were composed of nonmetallic compounds and transition metal complexes. In addition, the reaction mechanism focusing on the sidechain oxidation of toluene was discussed. It is a significant direction to develop more efficient composite catalysts and processes for crude toluene oxidation in the future.
Keywordstoluene   catalytic oxidation   liquid   homogeneous   mechanism     
Received 2012-04-23;
Fund:

国家科技支撑项目(2007BAB24B05)。

Corresponding Authors: 曾爱武,电话:(022)27404732,E-mail: awzeng@tju.edu.cn。      Email: awzeng@tju.edu.cn
About author: 程婧(1986-),女,硕士研究生,现从事甲苯液相催化氧化的研究。
引用本文:   
程婧, 曾爱武.甲苯液相均相选择性催化氧化研究进展[J].  化学工业与工程, 2013,30(1): 31-37
CHENG Jing, ZENG Ai-Wu.Development on Selective Oxidation of Toluene in Homogeneous Liquid Phase System[J].  Chemcial Industry and Engineering, 2013,30(1): 31-37
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