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Author Spotlight: Advances in Nanoscale Infrared Spectroscopy to Explore Multiphase Polymeric Systems

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Published on: June 23, 2023

Continuous in Situ Extraction toward Multiphase Complex Systems Based on Superwettable Membrane with

Zhe Xu^1,2, Zhongpeng Zhu^1,2, Ning Li¹

¹Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Beijing 100190 , P. R. China.

|September 27, 2018

Summary

This study introduces continuous in situ extraction using superwettable membranes. This novel method efficiently separates multiphase systems in real-time, offering a superior alternative to traditional extraction processes.

Keywords:

extraction chemistry hydrophobicity microporous membrane multiphase complex system nanostructure oleophilicity

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Published on: April 16, 2017

Area of Science:

Chemical Engineering
Materials Science

Background:

Liquid-phase extraction is crucial in the chemical industry but often involves lengthy, multi-step processes.
Traditional methods require significant space and time, limiting efficiency.

Purpose of the Study:

To develop a continuous in situ extraction method for multiphase complex systems.
To leverage superwettable materials for simultaneous solute extraction and solvent separation.

Main Methods:

Utilized a porous polytetrafluoroethylene (PTFE) membrane with nanostructure-induced superwettability.
Achieved real-time separation of immiscible solvents based on wetting differences.

Main Results:

Demonstrated rapid, selective, and efficient real-time removal of extracting agents.
Showcased significant improvements in operating time, liquid recovery, and procedural simplicity.
Confirmed high extracting performance and excellent membrane durability in harsh conditions.

Conclusions:

The developed superwettable membrane facilitates continuous in situ extraction, offering a more efficient process.
This technology presents a potential alternative for industrial extractions, improving time, recovery, and simplicity.