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Recent Advances in Polymeric Membrane Integration for Organic Solvent Mixtures Separation: Mini-Review.

Abdellah Halloub^1,2, Wojciech Kujawski¹

¹Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 7 Gagarina Street, 87-100 Torun, Poland.

|November 26, 2025

Summary

This review explores advanced membrane technologies for organic solvent separations, highlighting polymeric membranes for industrial applications. Innovations address challenges like swelling and fouling, paving the way for energy-efficient processes.

Keywords:

membrane separation nanofiltration organic solvent nanofiltration organic-organic separation pervaporation reverse osmosis

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Area of Science:

Chemical Engineering
Materials Science

Background:

Membrane technology presents a sustainable alternative to conventional separation methods, offering significant energy savings.
Organic solvent separations are crucial in pharmaceutical, biochemical, and petrochemical industries.

Purpose of the Study:

To review recent advancements in membrane separation technologies for organic solvents.
To discuss innovations in membrane materials and their application in demanding industrial conditions.

Main Methods:

Review of recent literature on organic solvent pervaporation (OSPV), organic solvent reverse osmosis (OSRO), organic solvent nanofiltration (OSN), and organic solvent ultrafiltration (OSUF).
Analysis of material development for membranes operating under harsh conditions (organic solvents, high temperatures, extreme pH, oxidative environments).

Main Results:

Polymeric membranes offer scalability and processability advantages over hybrid and inorganic membranes.
Material development is critical for membranes enduring demanding organic solvent environments.
Strategies to mitigate challenges like material swelling, fouling, and scaling are presented.

Conclusions:

Continued innovation in membrane materials and process design is essential for advancing organic solvent separation technologies.
Addressing material limitations and operational challenges will enhance the efficiency and applicability of membrane processes in key industries.