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Related Concept Videos

Extraction: Advanced Methods00:56

Extraction: Advanced Methods

446
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
446
Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

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Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
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Updated: Jun 27, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes
07:45

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Oriented Metal-Organic Framework Membranes for Molecular Separations.

Yanwei Sun1,2, Yi Liu1,3,4

  • 1State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|May 2, 2024
PubMed
Summary
This summary is machine-generated.

Oriented Metal-Organic Framework (MOF) membranes offer advanced separation solutions. This review details fabrication strategies and highlights their potential for energy and environmental applications.

Keywords:
membranesmetal-organic frameworkmicrostructureorientationseparation

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Membrane Technology

Background:

  • Metal-Organic Framework (MOF) membranes are advanced materials for separation processes.
  • Achieving high permeability and selectivity simultaneously remains a key challenge.
  • Recent progress necessitates a review of fabrication strategies and applications.

Purpose of the Study:

  • To summarize recent advancements in fabricating oriented MOF membranes.
  • To elucidate progress, potential, and emerging applications of these membranes.
  • To discuss challenges in large-scale production and practical use.

Main Methods:

  • In situ growth
  • Contra-diffusion method
  • Interface-assisted approach
  • Laminated nanosheet assembly

Main Results:

  • Detailed overview of major fabrication strategies for oriented MOF membranes.
  • Insights into updated progress and potential of various fabrication techniques.
  • Highlighting emerging applications addressing environmental and energy challenges.

Conclusions:

  • Oriented MOF membranes show significant promise for efficient separations.
  • Fabrication strategies are advancing, offering improved performance.
  • Further research is needed to overcome challenges in large-scale production and real-world application.