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 …

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 …

Extractive distillation: recent advances in operation strategies

W Shen, H Benyounes, V Gerbaud - Reviews in Chemical …, 2015 - degruyter.com
Extractive distillation is one of the efficient techniques for separating azeotropic and low-
relative-volatility mixtures in various chemical industries. This paper first provides an …

Comparative optimal design and control of two alternative approaches for separating heterogeneous mixtures isopropyl alcohol-isopropyl acetate-water with four …

T Shi, A Yang, S **, W Shen, J Ren - Separation and Purification …, 2019 - Elsevier
The separation of ternary mixtures with homogeneous or heterogeneous multi-azeotropes
has received increasing attention. In this work, a systematic design, optimization and control …

[HTML][HTML] An approach to determine missing life cycle inventory data for chemicals (RREM)

E Huber, V Bach, P Holzapfel, D Blizniukova… - Sustainability, 2022 - mdpi.com
Chemicals impact the environment. However, life cycle assessments (LCA) of products
containing chemicals are often not possible due to a lack of available datasets. Existing …

Energy saving methods for the separation of a minimum boiling point azeotrope using an intermediate entrainer

G Modla - Energy, 2013 - Elsevier
In this work two energy saving methods are presented for the separation of a minimum
boiling point azeotrope by using an intermediate entrainer. Extractive distillation column …

Study on the separation of binary azeotropic mixtures by continuous extractive distillation

S Yuan, C Zou, H Yin, Z Chen, W Yang - Chemical Engineering Research …, 2015 - Elsevier
For azeotropic mixtures or close-boiling mixtures which is often observed in the
pharmaceutical and specialty chemicals industries, conventional distillation has been shown …

Purification of tetrahydrofuran from its aqueous azeotrope by extractive distillation: Pilot plant studies

OA Deorukhkar, BS Deogharkar, YS Mahajan - Chemical Engineering and …, 2016 - Elsevier
Tetrahydrofuran (THF) is an important chemical which is useful in various applications. THF
forms an azeotrope with water which is homogeneous and minimum boiling. Several …

Extension of thermodynamic insights on batch extractive distillation to continuous operation. 2. Azeotropic mixtures with a light entrainer

W Shen, V Gerbaud - Industrial & Engineering Chemistry …, 2013 - ACS Publications
We have studied the continuous extractive distillation of minimum-and maximum-boiling
azeotropic mixtures with a light entrainer. The ternary mixtures belong to class 1.0-2 and 1.0 …

Purification of tetrahydrofuran from its aqueous azeotrope by extractive distillation: Validation of model and simulation

OA Deorukhkar, A Katariya… - Separation Science and …, 2019 - Taylor & Francis
Tetrahydrofuran (THF) purification by distillation is difficult due to the existence of its
homogeneous, minimum boiling azeotrope with water. Previously conducted extractive …