Related Experiment Video
Updated: Jul 12, 2025
07:32
Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
Published on: April 7, 2017
9.4K
Deep Eutectic Solvent Coated Cerium Oxide Nanoparticles Based Polysulfone Membrane to Mitigate Environmental
Saif-Ur-Rehman1,2, Muhammad Shozab Mehdi3, Muhammad Fakhar-E-Alam4
1Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore 54000, Punjab, Pakistan.
Molecules (Basel, Switzerland)
|October 28, 2023
Summary
This study developed advanced mixed matrix membranes (MMMs) using ceria nanoparticles modified with deep eutectic solvent (DES). These novel DES-ceria NP membranes show improved carbon dioxide (CO2) separation performance, offering a promising solution for gas mixture purification.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Mixed matrix membranes (MMMs) are crucial for gas separation.
- Interface engineering is key to improving MMM performance.
- Ceria nanoparticles (NPs) and deep eutectic solvents (DES) offer unique material properties.
Purpose of the Study:
- To synthesize and characterize DES-modified ceria NP fillers.
- To fabricate and evaluate MMMs incorporating DES-ceria NP fillers.
- To investigate the effect of filler loading on membrane properties and gas separation performance.
Main Methods:
- Synthesis of ceria NPs and DES.
- Modification of ceria NPs with DES to create DES-ceria NP filler.
- Fabrication of MMMs using solution casting with varying filler loadings (2-8%).
- Characterization using SEM, FTIR, and TGA.
- Gas permeation testing for CO2 separation.
Main Results:
- SEM confirmed uniform dispersion of DES-ceria NP filler in the polysulfone matrix.
- FTIR analysis indicated no adverse reactions between the polymer and filler.
- TGA demonstrated high thermal stability of the membranes, increasing with filler loading.
- Significant improvements in CO2 permeability and enhanced selectivity for CO2/CH4 and CO2/N2 were observed.
Conclusions:
- DES-ceria NP-based MMMs exhibit excellent thermal stability and uniform filler dispersion.
- The developed MMMs show superior CO2 separation efficiency compared to pristine membranes.
- These findings highlight the potential of DES-ceria NP MMMs for effective CO2 mitigation from gas mixtures.
