Optimization of Batch Heteroazeotropic Distillation Operational Strategies with Entrainer Recycle

被引：5

作者：

Hegely, Laszlo ^{[1
]}

Lang, Peter ^{[1
]}

机构：

[1] Budapest Univ Technol & Econ, Dept Bldg Serv & Proc Engn, Muegyetem Rkp 3-9, H-1111 Budapest, Hungary

来源：

28TH EUROPEAN SYMPOSIUM ON COMPUTER AIDED PROCESS ENGINEERING | 2018年 / 43卷

关键词：

batch heteroazeotropic distillation; optimization; entrainer recycle; ISOPROPYL-ALCOHOL; TOLUENE; SYSTEM; WATER;

D O I：

10.1016/B978-0-444-64235-6.50262-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The batch heteroazeotropic distillation (BHAD) separation of a minimum boiling azeotropic mixture (isopropyl alcohol(A) - water(B)) with toluene as entrainer(E) is simulated and optimized with GA. The production cycle consists of processing three consecutive batches. Both BHAD operational modes (sequential (Mode I) and simultaneous (Mode II) distillation + decantation) are studied. The E-rich phase and (eventually) the off-cut can be recycled to the next batch to reduce the loss of both isopropyl alcohol and the entrainer. The optimization variables are the amount of E added to the charge and the reflux ratios of the steps. The effect of the recycling is discussed and the optimization results are compared with those of the non-optimized processes.

引用

页码：1505 / 1511

页数：7

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