Comparison of heterogeneous azeotropic distillation and energy-saving extractive distillation for separating the acetonitrile-water mixtures

J Qi, Y Li, J Xue, R Qiao, Z Zhang, Q Li - Separation and Purification …, 2020 - Elsevier
The separation of acetonitrile-water mixtures is a challenging and significant task due to the
presence of azeotrope, for which three separation alternatives are proposed, including an …

Toward a sustainable azeotrope separation of acetonitrile/water by the synergy of ionic liquid-based extractive distillation, heat integration, and multiobjective …

L Qi, J Li, A Yang, X Yi, W Shen - Industrial & Engineering …, 2022 - ACS Publications
The sustainable separation process for the recovery of acetonitrile from wastewater is
essential to achieve the circular economy and environmental protection. In this work, we …

Optimization of pre-concentration, entrainer recycle and pressure selection for the extractive distillation of acetonitrile-water with ethylene glycol

X You, J Gu, V Gerbaud, C Peng, H Liu - Chemical Engineering Science, 2018 - Elsevier
We optimize the extractive distillation process for separating the acetonitrile–water
azeotropic mixture with ethylene glycol by using a multi-objective genetic algorithm for …

The importance of acetonitrile in the pharmaceutical industry and opportunities for its recovery from waste

IF McConvey, D Woods, M Lewis, Q Gan… - … Process Research & …, 2012 - ACS Publications
Acetonitrile is regarded as a key solvent in the pharmaceutical industry. However, the
volatility in acetonitrile supply in recent years, coupled with its relatively poor environmental …

Graphene oxide hollow fiber membranes for solvent dehydration by nanofiltration

ML Liu, YX Sun, Y Tang, ZJ Fu, Q Wang… - Journal of Membrane …, 2023 - Elsevier
Traditional technologies for solvent/water separation such as distillation and
chromatography remain energy intensive. State-of-the-art organic solvent nanofiltration …

Energy-saving heat pump-assisted extractive-azeotropic dividing wall column with heat exchanger network for separating acetonitrile and water: A techno-economic …

J Zhai, X Chen, H Xie, X Sun, M Hu, M Dang… - Process Safety and …, 2023 - Elsevier
In the present paper, a new extractive-azeotropic dividing wall column configuration is
designed to recover acetonitrile from wastewater instead of the conventional two-column …

Economic, thermodynamic, environmental, and inherent safety investigation of heat pump-assisted extractive dividing wall column for separating binary azeotrope

J Zhai, X Sun, S Huang, H Xie, X Chen - Process Safety and Environmental …, 2023 - Elsevier
Inherently safer design during the preliminary design stage is vital to reduce the potential
risks and accidents of new process design. So far, little effort has been paid to incorporating …

Extractive distillation with ionic liquid entrainers for the separation of acetonitrile and water

J Li, T Li, C Peng, H Liu - Industrial & Engineering Chemistry …, 2019 - ACS Publications
Ionic liquids (ILs) of 1-ethyl-3-methylimidazolium acetate ([EMIM][OAC]), 1-ethyl-3-
methylimidazolium proline ([EMIM][PRO]), and N, N, N-dimethyl-butylethanol amine glycolic …

Sugaring‐out separation of acetonitrile from its aqueous solution

B Wang, H Feng, T Ezeji… - Chemical Engineering & …, 2008 - Wiley Online Library
The separation of acetonitrile (ACN) from an ACN‐water azeotrope is of particular interest to
industrial chemists and process engineers. In the work reported in this article, sugaring‐out …

Combined Hydrogen and Alkane Production by Photocatalytic Decarboxylative C–C Homocoupling of Fatty Acid by Constructing a Hydrogen-Deficient Catalytic …

X Li, Y Peng, Z Huang, G Feng, L Kong, H Jiang… - ACS …, 2024 - ACS Publications
Decarboxylation of biomass-derived fatty acids provides an important method for the
production of value-added alkane fuels and chemicals. Here, selective decarboxylative C–C …