Cyclization of Pseudoionone Catalyzed by Sulfuric Acid in a Microreactor

被引：14
|
作者：
Zhou, Feng [1 ,2 ]
Zhang, Boyu [1 ]
Yao, Chaoqun [1 ]
Zhu, Kai [1 ,2 ]
Yang, Mei [1 ]
Chen, Guangwen [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2016年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Cyclization; Ionone; Microchannel; Microreactor; Pseudoionone; 2-PHASE MASS-TRANSFER; INTENSIFICATION; EFFICIENT;
D O I：
10.1002/ceat.201500670
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A microreactor system was developed to investigate the cyclization of pseudoionone (PI) catalyzed by sulfuric acid. The conversion of PI and selectivities of alpha-ionone and beta-ionone were explored under various conditions. The effects of residence time, molar ratio of acid/PI (M-ratio), reaction temperature, and sulfuric acid concentration on the reaction were evaluated. Sulfuric acid concentration was found to play a vital role in the reaction system, which could greatly influence the conversion and selectivities. A high yield of beta-ionone and total yield of alpha-ionone and beta-ionone were achieved under optimized conditions. The formation of by-products was determined in detail and the side reactions could be restrained by optimizing the reaction parameters.
引用
收藏
页码：849 / 856
页数：8
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