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Preparation of Polystyrene Microsphere-Templated Porous Monolith for Wastewater Filtration
Nur Faezah Ibadat1, Suryani Saallah1, Clarence M Ongkudon1
1Bioprocess Engineering Research Group, Biotechnology Research Institute, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia.
Materials (Basel, Switzerland)
|December 10, 2021
Summary
This study developed a new porous monolith for wastewater filtration using microsphere templates. The optimized material effectively removes pollutants, significantly improving water quality.
Area of Science:
- Materials Science
- Environmental Engineering
- Chemical Engineering
Background:
- Porous monoliths are crucial for filtration due to efficient mass transport.
- Existing templating methods create pore defects, hindering flow and reducing filtration efficiency.
Purpose of the Study:
- To fabricate a microsphere-templated porous monolith for enhanced wastewater filtration.
- To optimize template/monomer ratios and removal techniques for homogenous pore formation.
Main Methods:
- Microsphere templating was employed to create porous monoliths.
- Various template/monomer ratios (50:50, 60:40, 70:30) were tested.
- Solvent treatment was used for template removal, followed by SEM, FTIR, and water quality analysis.
Main Results:
- A 60:40 template/monomer ratio yielded homogenous pores (1.9–2.3 μm).
- Solvent treatment effectively removed templates, confirmed by SEM and FTIR.
- Wastewater treatment showed 96–99% reduction in turbidity and suspended particles.
Conclusions:
- Microsphere-templated porous monoliths offer a viable solution for efficient wastewater filtration.
- Homogenous pore structure is key to improved flow and contaminant removal.
- This fabrication method provides valuable insights for advanced water treatment materials.
