Review of extractive distillation. Process design, operation, optimization and control

V Gerbaud, I Rodriguez-Donis, L Hegely, P Lang… - … Research and Design, 2019 - Elsevier
Extractive distillation processes enable the separation of non-ideal mixtures, including
minimum or maximum boiling azeotropes and low relative volatility mixtures. Unlike …

The evolution of process design and control for ternary azeotropic separation: Recent advances in distillation and future directions

ZY Kong, HY Lee, J Sunarso - Separation and Purification Technology, 2022 - Elsevier
The presence of the azeotropes in the binary mixture has resulted in the individual
components cannot be effectively separated using the conventional distillation technique …

Energy-saving thermally coupled ternary extractive distillation process by combining with mixed entrainer for separating ternary mixture containing bioethanol

Y Zhao, K Ma, W Bai, D Du, Z Zhu, Y Wang, J Gao - Energy, 2018 - Elsevier
The major intrinsic obstacle of extractive distillation is the high energy consumption. It is an
actual problem for reducing energy consumption of extractive distillation processes. Two …

Design and control of pressure‐swing distillation for separating ternary systems with three binary minimum azeotropes

A Yang, W Shen, S Wei, L Dong, J Li… - AIChE Journal, 2019 - Wiley Online Library
The separation of ternary nonideal systems with multi‐azeotrope is very important because
they are often found in the waste of chemical and pharmaceutical industries, which is much …

Optimal design and effective control of triple-column extractive distillation for separating ethyl acetate/ethanol/water with multiazeotrope

A Yang, H Zou, IL Chien, D Wang, S Wei… - Industrial & …, 2019 - ACS Publications
The separation of the ternary nonideal system ethyl acetate (EtAC)/ethanol (EtOH)/water
with multiazeotropes is very important since they are always generated in the production …

An intensified energy-saving architecture for side-stream extractive distillation of four-azeotrope mixtures considering economic, environmental and safety criteria …

S Sun, L Fu, A Yang, W Shen - Separation and Purification Technology, 2023 - Elsevier
Side-stream extractive distillation is used in separating azeotropic mixtures due to its
advantages in energy-saving. However, environmental and safety aspects should also be …

Multi-objective optimization of the intensified extractive distillation with side-reboiler for the recovery of ethyl acetate and methanol from wastewater

A Yang, L Ernawati, M Wang, ZY Kong… - Separation and …, 2023 - Elsevier
This work explores the recovery of ethyl acetate (EtAC) and methanol (MeOH) from
wastewater stream using three different extractive distillation (ED) processes, ie, the triple …

Conceptual design of sustainable extractive distillation processes combining preconcentration and extractive distillation functions for separating ternary multi …

C Wang, Y Zhuang, Y Dong, L Liu, L Zhang… - Chemical Engineering …, 2022 - Elsevier
Azeotropic mixtures with a large content of one component are often encountered. Several
energy-efficient three-column extractive distillation processes with integrated distillation …

Design and multi-objective optimization of reactive pressure-swing distillation process for separating tetrahydrofuran-methanol-water

X Liu, Q Xu, C Ma, F Zhang, P Cui, Y Wang… - Separation and …, 2024 - Elsevier
The low-energy and low-cost process development and design has always been a hot topic
and challenge in separating azeotropic systems in the world. In this paper, a novel, energy …

Intensified hybrid reactive-extractive distillation process for the separation of water-containing ternary mixtures

YR Zhang, TW Wu, IL Chien - Separation and Purification Technology, 2021 - Elsevier
Separation of ternary mixture is a challenging task if multiple azeotropes exist among the
components, and special distillation techniques should be adopted. For water-containing …