Design and optimisation of novel hybrid side-stream reactive-extractive distillation for recovery of isopropyl alcohol and ethyl acetate from wastewater

A Yang, ZY Kong, J Sunarso - Chemical Engineering Journal, 2023 - Elsevier
For the first time, we developed a novel side-stream double-column reactive-extractive
distillation (SS-DCRED) for the recovery of isopropanol (IPA) and ethyl acetate (EA) from …

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 …

Energy-efficient hybrid reactive-extractive distillation with a preconcentration column for recovering isopropyl alcohol and diisopropyl ether from wastewater: process …

ZY Kong, A Yang, J Chua, JJ Chew… - Industrial & …, 2022 - ACS Publications
A reactive-extractive distillation (RED) combines the beneficial features of both reactive and
extractive distillations in one column and relies on the reaction heat for the subsequent …

Novel energy-efficient designs of heterogeneous azeotropic distillation for separating ternary organic wastewater based on self-heat recuperation technology

H Wu, Q Ye, J Li, Z Xu, J Pan - Process Safety and Environmental Protection, 2024 - Elsevier
The presence of a heterogeneous region in the ternary diagram of 1, 4-dioxane/water/ethyl
acetate allows for separation by conventional three-column heterogeneous azeotropic …

Design and multiple performance evaluation of green sustainable process for azeotropes separation via extractive distillation

J Zhong, H Cheng, Y Dai, Y Jiao, K Wang… - ACS Sustainable …, 2023 - ACS Publications
Multicomponent liquid mixtures, particularly azeotropes, are extensively utilized in the
chemical, petroleum, pharmaceutical, and other processing industries. Energy-saving and …

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 …

Life cycle water footprint and carbon footprint analysis of coal gasification to clean fuel dimethyl ether

Y Liu, H Xu, Y Wang, P Cui, C Sun, Z Zhu, Y Wang - Fuel, 2024 - Elsevier
Dimethyl ether is an ideal clean fuel that can replace diesel and liquefied petroleum gas,
and has broad application prospects. The work analyzed the life cycle water footprint and …

Insights on sustainable separation of ternary azeotropic mixture tetrahydrofuran/ethyl acetate/water using hybrid vapor recompression assisted side-stream extractive …

A Yang, ZY Kong, J Sunarso, Y Su, Q Wang… - Separation and …, 2022 - Elsevier
The energy-efficiency of the traditional distillation-based processes are low, which results in
waste of resources and environmental pollution. Therefore, a sustainable extractive …

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 …

Improving the economy and energy efficiency of separating n-propanol/water/tetrahydrofuran via triple-column pressure-swing distillation and azeotropic combining …

A Yu, Q Ye, J Li, X Li, Y Wang, Q Rui - Separation and Purification …, 2023 - Elsevier
The triple-column pressure-swing distillation (TPSD) and novel azeotropic combining
pressure-swing distillation (APSD) processes were designed for separating the n …