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 …

A review of extractive distillation from an azeotropic phenomenon for dynamic control

Y Ma, P Cui, Y Wang, Z Zhu, Y Wang, J Gao - Chinese Journal of Chemical …, 2019 - Elsevier
Extractive distillation is an effective method for separating azeotropic or close boiling point
mixtures by adding a third component. Various technologies for performing the extractive …

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 …

Novel heat-pump-assisted extractive distillation for bioethanol purification

H Luo, CS Bildea, AA Kiss - Industrial & Engineering Chemistry …, 2015 - ACS Publications
The purification of bioethanol fuel involves an energy-intensive separation process to
concentrate the diluted streams obtained in the fermentation stage and to overcome the …

Investigation of an energy-saving double-thermally coupled extractive distillation for separating ternary system benzene/toluene/cyclohexane

A Yang, Y Su, IL Chien, S Jin, C Yan, W Shen - Energy, 2019 - Elsevier
An intensified scheme for the separation of ternary azeotropic system is explored to reduce
the energy consumption and recycle important organic solvents. Herein, a novel double …

Design and control analysis of the side-stream extractive distillation column with low concentration intermediate-boiling entrainer

C Wang, Y Zhuang, Y Dong, L Zhang, L Liu… - Chemical Engineering …, 2022 - Elsevier
Side-stream extractive distillation (SSED) column has attracted increasing attentions due to
its simple structure for separating the binary azeotropes using intermediate-boiling entrainer …

Design of an energy-efficient side-stream extractive distillation system

S Tututi-Avila, N Medina-Herrera, J Hahn… - Computers & Chemical …, 2017 - Elsevier
A novel extractive distillation system is presented. The proposed separation system evolves
from an extractive thermally coupled system with a side rectifier. Specifically, the …

Optimization and eco-efficiency analysis of extractive distillation processes with different solvents for separating the ternary mixture embedding two azeotropes

C Wang, Y Zhuang, Y Qin, Y Dong, L Liu… - Separation and …, 2021 - Elsevier
The selection of feasible solvent is of great significance for separating azeotropes via
extractive distillation since various solvents can cause different product orders, flowsheet …

Conceptual design of the triple-column extractive distillation processes with single entrainer and double entrainer for separating the N-hexane/acetone/chloroform …

C Wang, Y Zhuang, Y Dong, C Zhou, L Zhang… - Chemical Engineering …, 2021 - Elsevier
Currently, there are very limited efforts on investigating triple-column extractive distillation
process with single entrainer (S-TCED) for separating ternary multi-azeotropic mixture with …

Energy-saving optimal design and effective control of heat integration-extractive dividing wall column for separating heterogeneous mixture methanol/toluene/water …

A Yang, R Wei, S Sun, S Wei, W Shen… - Industrial & …, 2018 - ACS Publications
To the best of our knowledge, very few efforts have been investigated for separating
heterogeneous mixtures methanol/toluene/water with multiazeotropes using extractive …