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Related Concept Videos

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Detergents are used to purify the integral proteins of the membrane. The hydrophobic portion of the detergent can replace membrane phospholipids while solubilizing the membrane proteins. When detergent monomers reach a specific concentration in a solution called critical micelle concentration (CMC), they form micelles. Above CMC, the concentration of the detergent monomers remains in equilibrium with the micelle. The number of detergent monomers present in the CMC varies for each detergent, and...
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Updated: Dec 11, 2025

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Sharpening Nanofiltration: Strategies for Enhanced Membrane Selectivity.

Huiru Zhang1,2,3,4, Qiming He4,5, Jianquan Luo1,2

  • 1State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P.R. China.

ACS Applied Materials & Interfaces
|August 19, 2020
PubMed
Summary

This review explores enhancing nanofiltration membrane selectivity for improved water treatment and resource recovery. Key strategies include advanced fabrication methods and process intensification to overcome fouling and boost efficiency.

Keywords:
Donnan effectsmembrane selectivitynanofiltrationpore-size distribution

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Area of Science:

  • Membrane science and technology
  • Water treatment technologies
  • Chemical engineering

Background:

  • Nanofiltration (NF) is crucial for industrial applications like water purification and resource recovery.
  • Membrane selectivity, governed by pore size and Donnan effects, dictates NF process efficiency and energy consumption.
  • Membrane fouling negatively impacts the performance of unmodified NF membranes during operation.

Purpose of the Study:

  • To review recent advancements in enhancing nanofiltration membrane selectivity.
  • To provide insights into strategies for improving NF membrane performance.
  • To guide future research directions in membrane science.

Main Methods:

  • Literature review of recent developments in nanofiltration membrane selectivity enhancement.
  • Analysis of membrane fabrication improvements.
  • Evaluation of process intensification techniques.

Main Results:

  • Significant progress has been made in improving NF membrane selectivity through innovative fabrication methods.
  • Process intensification offers promising avenues for enhancing NF performance and mitigating fouling.
  • A combination of approaches is often required for optimal results.

Conclusions:

  • Continued innovation in membrane fabrication and process design is essential for advancing nanofiltration technology.
  • Addressing membrane fouling remains a critical challenge for sustained high performance.
  • Future research should focus on integrated strategies for superior selectivity and durability.