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Updated: Jun 23, 2025
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Synthesis of Hydrogels with Antifouling Properties As Membranes for Water Purification
Published on: April 7, 2017
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Adsorbent-Embedded Polymeric Membranes for Efficient Dye-Water Treatment.
Junaid Saleem1, Zubair Khalid Baig Moghal2, Snigdhendubala Pradhan1
1Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha 5825, Qatar.
Polymers
|June 19, 2024
Summary
This study developed novel adsorbent-embedded polymeric membranes for efficient dye removal, eliminating the need for separate filtration. These reusable membranes, made from waste materials, show high adsorption capacity for methylene blue.
Area of Science:
- Materials Science
- Environmental Engineering
- Polymer Chemistry
Background:
- Traditional adsorbents require separate filtration, increasing complexity and cost.
- Developing integrated adsorbent-polymer systems is crucial for efficient water purification.
Purpose of the Study:
- To create adsorbent-embedded polymeric membranes for dye removal without additional filtration.
- To utilize waste polyethylene and calcium carbonate for sustainable membrane fabrication.
Main Methods:
- Adsorbent integration into a polymer matrix via dissolution-dispersion, spin-casting, and heat-stretching.
- Fabrication of thin, porous membranes from waste polyethylene and calcium carbonate.
- Investigating parameters like polymer-adsorbent ratio, dye concentration, and annealing temperature.
Main Results:
- Membranes exhibited selective dye capture and water permeability.
- Langmuir isotherm best described equilibrium data, with maximum adsorption capacities of 35 mg/g (25 °C) and 43 mg/g (45 °C).
- Recyclable membranes achieved 97% dye removal efficiency.
Conclusions:
- Adsorbent-embedded polymeric membranes offer a promising template for efficient dye removal.
- The developed membranes are cost-effective, sustainable, and reusable.
- Tailoring adsorbents can further enhance adsorption capacity and efficiency.
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