Insight into pressure-swing distillation from azeotropic phenomenon to dynamic control

S Liang, Y Cao, X Liu, X Li, Y Zhao, Y Wang… - … Research and Design, 2017 - Elsevier
Pressure-swing distillation (PSD) is widely used as an efficient method for separating
pressure-sensitive azeotropic mixtures in industrial processes. Remarkably, PSD can …

Dynamic control and performance comparison of conventional and dividing wall extractive distillation for benzene/isopropanol/water separation

B Shan, Q Zheng, Z Chen, Y Shen, F Zhang… - Journal of the Taiwan …, 2021 - Elsevier
The effective separation of the ternary azeotrope benzene/isopropanol/water has high
economic benefits in industry. It is of great significance to study the dynamic controllability of …

Toward a Flexible Design for the Bioethanol Dehydration Using Extractive Distillation. Part 1: Steady-State Design and Optimization

CY Tsai, T Ang, ZY Kong, J Sunarso… - Industrial & Engineering …, 2023 - ACS Publications
This study introduces a novel approach to the initial design of bioethanol dehydration,
incorporating process fluctuations. Unlike previous studies, which overlooked fluctuations …

Comparison of pressure-swing distillation and heterogeneous azeotropic distillation for recovering benzene and isopropanol from wastewater

Y Cui, X Shi, C Guang, Z Zhang, C Wang… - Process Safety and …, 2019 - Elsevier
Two methods of pressure-swing distillation (PSD) and heterogeneous azeotropic distillation
(HAD) are investigated to recover benzene and isopropanol from wastewater. This ternary …

Separation of acetonitrile/methanol/benzene ternary azeotrope via triple column pressure-swing distillation

Z Zhu, D Xu, X Liu, Z Zhang, Y Wang - Separation and purification …, 2016 - Elsevier
Acetonitrile/methanol/benzene mixture forms more than one different azeotropes and its
triangular diagram presents several distillation boundaries at atmospheric pressure. A …

Thermodynamic efficiency enhancement of pressure-swing distillation process via heat integration and heat pump technology

X Li, X Geng, P Cui, J Yang, Z Zhu, Y Wang… - Applied Thermal …, 2019 - Elsevier
Pressure-swing distillation was investigated to separate ethanol/acetonitrile binary
azeotrope. The parameters were optimized based on the minimum total annual cost. To …

Liquid-liquid phase equilibrium measurement and thermodynamic modeling for the separation of n-hexane and methanol with four solvents

A Zhang, H Yan, Q Yin, J Cao, Y Wang, Q Li - Journal of Molecular Liquids, 2023 - Elsevier
To solve the problem of generating n-hexane in the industrial production of methanol, four
common and inexpensive solvents {dimethyl sulfoxide, 1, 2-propanediol, furfuryl alcohol …

An improvement scheme for pressure-swing distillation with and without heat integration through an intermediate connection to achieve energy savings

Y Wang, K Ma, M Yu, Y Dai, R Yuan, Z Zhu… - Computers & Chemical …, 2018 - Elsevier
Pressure-swing distillation is widely studied in academia and industry. Energy consumption
is a key criterion for judging whether a pressure-swing distillation is better than other …

Design and control of methyl acetate-methanol separation via heat-integrated pressure-swing distillation

Z Zhang, Q Zhang, G Li, M Liu, J Gao - Chinese journal of chemical …, 2016 - Elsevier
Abstract Design and control of pressure-swing distillation (PSD) with different heat
integration modes for the separation of methyl acetate/methanol azeotrope are explored …

Membrane assisted reactive distillation for bioethanol purification

M Errico, C Madeddu, MF Bindseil, SD Madsen… - … and Processing-Process …, 2020 - Elsevier
Reactive distillation and membrane assisted reactive distillation have been considered as
possible alternatives to extractive distillation for the concentration of ethanol from diluted …