Design of entrainer-enhanced reactive distillation for the synthesis of butyl cellosolve acetate

被引：18
|
作者：
Wang, San-Jang [1 ]
Huang, Hsiao-Ping [2 ]
机构：
[1] Ta Hwa Inst Technol, Dept Chem & Mat Engn, Hsinchu 307, Taiwan
[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 106, Taiwan
来源：
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION | 2011年 / 50卷 / 07期
关键词：
Entrainer; Reactive distillation; Heterogeneous azeotropic distillation; Design;
D O I：
10.1016/j.cep.2011.04.007
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
An innovative entrainer-enhanced reactive distillation (RD) process is presented, which aims to the production of high-purity butyl cellosolve acetate from butyl cellosolve and acetic acid via an esterification reaction. This entrainer-enhanced RD process can procure technical advantages from both heterogeneous azeotropic distillation and RD. Solvents such as cyclohexane, ethylene dichloride, toluene, and octane are considered as candidates in this esterification RD process. The function of entrainers is to simplify the separation between water and acetic acid. For this purpose, the proper entrainer to use is thus evaluated based on its mutual solubility with water in two liquid phases. Simulation results reveal that total annual cost can be substantially reduced when cyclohexane, toluene, and octane are used as entrainers in the RD column. The octane-enhanced RD provides the most economical design in this studied case. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：709 / 717
页数：9
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