Simulation and Optimization of the Separation of Methanol-Dimethyl Carbonate Azeotrope by Extractive Dividing Wall Column

Simulation and Optimization of the Separation of Methanol-Dimethyl Carbonate Azeotrope by Extractive Dividing Wall Column

The extractive distillation of a methanol and dimethyl carbonate (DMC) azeotrope system was taken as an example, and the simulation and optimization of the conventional extractive process (CEP) and extractive dividing wall column (EDWC) were carried out by Aspen Plus software. In order to meet the r...

Full description

Saved in:
Bibliographic Details
Published in:Separations Vol. 9; no. 8; p. 189
Main Authors: Zheng, Meiqin, Wang, Jiawei
Format: Journal Article
Language:English
Published: Basel MDPI AG 01-08-2022
Subjects:
Analysis
Carbonates
Cost analysis
Distillation
Dividing wall columns
DMC
EDWC
Efficiency
Energy consumption
Environmental impact
Membrane separation
Methanol
Optimization
Plates
Separation
Simulation
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The extractive distillation of a methanol and dimethyl carbonate (DMC) azeotrope system was taken as an example, and the simulation and optimization of the conventional extractive process (CEP) and extractive dividing wall column (EDWC) were carried out by Aspen Plus software. In order to meet the requirements of separation, lower energy consumption and investment cost were obtained by using a univariate analysis of the optimal operating parameters of the EDWC. The coupling mechanism of the EDWC was described. The results showed that the number of theoretical plates of EDWC was 36, which was lower than the sum of theoretical plates in the two columns of CEP. At the same time, compared with the CEP, the energy consumption of the EDWC could save up to 16.09% and 11.85%, respectively.
ISSN:2297-8739
2297-8739
DOI:10.3390/separations9080189