Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Effect of Non-Woven Backing on Support PVDF Membranes for Acidic Electrochemical Applications.

Membranes·2026

Same author

Tuning Surface Concentrations of Building Units to Enable the Cathodic Deposition of Metastable ZIF-L Films for Gas Separations.

Angewandte Chemie (International ed. in English)·2025

Same author

Pilot-Scale Polysulfone Ultrafiltration Patterned Membranes: Phase-Inversion Parametric Optimization on a Roll-to-Roll Casting System.

Membranes·2025

Same author

Selection of Optimal Nanofiltration/Reverse Osmosis (NF/RO) Membranes for the Removal of Organic Micropollutants from Drinking Water.

Membranes·2025

Same author

Design of a Tunable, High-performance Mixed Matrix Membrane Platform for Gas Separations.

Advanced materials (Deerfield Beach, Fla.)·2025

Same author

Stability and Performance of Commercial Membranes in High-Temperature Organic Flow Batteries.

Membranes·2024

Search research articles

Related Experiment Video

Updated: May 4, 2026

Layer-by-layer Synthesis and Transfer of Freestanding Conjugated Microporous Polymer Nanomembranes

Layer-by-layer Synthesis and Transfer of Freestanding Conjugated Microporous Polymer Nanomembranes

Published on: December 15, 2015

6FDA-Based Co-Polyimide Membranes Incorporating Modulated MOF-808s for Olefin/Paraffin Gas Separations.

Harun Kulak¹, Lore Hannes¹, Ivo F J Vankelecom¹

¹Membrane Technology Group (MTG), Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Faculty of Bioscience Engineering, KU Leuven, Celestijnenlaan 200F, P.O. Box 2454, 3001 Leuven, Belgium.

|October 28, 2025

Summary

Fluorinated Metal-Organic Frameworks (MOFs) improved mixed-matrix membrane performance for C3 olefin/paraffin separation by selectively adsorbing C3H8. This enhances separation factors, crucial for industrial gas purification processes.

Keywords:

MOF-808 gas separation metal-organic frameworks mixed-matrix membranes olefin/paraffin separation polyimide

More Related Videos

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Published on: August 16, 2018

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Published on: December 16, 2022

Related Experiment Videos

Last Updated: May 4, 2026

Layer-by-layer Synthesis and Transfer of Freestanding Conjugated Microporous Polymer Nanomembranes

Layer-by-layer Synthesis and Transfer of Freestanding Conjugated Microporous Polymer Nanomembranes

Published on: December 15, 2015

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

Published on: August 16, 2018

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Depolymerizable Olefinic Polymers Based on Fused-Ring Cyclooctene Monomers

Published on: December 16, 2022

Area of Science:

Materials Science
Chemical Engineering
Separation Science

Background:

Mixed-matrix membranes (MMMs) are crucial for gas separation.
Metal-Organic Frameworks (MOFs) offer tunable porosity for enhanced membrane performance.
The choice of modulator during MOF synthesis impacts its properties and membrane integration.

Purpose of the Study:

To synthesize MOF-808 using various (perfluoro)carboxylic acid modulators.
To incorporate these MOFs into a co-polyimide (6FDA-DAM:DABA) matrix for MMMs.
To evaluate the performance of these MMMs for C2 and C3 olefin/paraffin separations.

Main Methods:

Synthesis of MOF-808 with acetic acid, butyric acid, trifluoroacetic acid, and heptafluorobutyric acid.
Fabrication of MMMs by incorporating synthesized MOFs into a 6FDA-DAM:DABA polymer matrix.
Gas permeation experiments using C2H4/C2H6 and C3H6/C3H8 gas mixtures.

Main Results:

All MOF-808 incorporated MMMs showed enhanced permeability for both C2 and C3 separations.
For C2 gases, selectivity was governed by the polymer phase, yielding results similar to unfilled membranes.
Fluorinated MOF-808 incorporation significantly improved C3H6/C3H8 separation factors (up to 13.5) and permeability (up to 42 Barrer), attributed to preferential C3H8 adsorption.

Conclusions:

The pore size of MOF-808 influences selectivity, with diffusion through the polymer dominating C2 separation.
Fluorinated MOF-808 enhances C3H6/C3H8 separation via preferential adsorption of C3H8, acting as a diffusivity trap.
Matching polymer-filler characteristics is vital for optimizing MMM performance for specific gas separations.