ArticleJournal of advanced research2022
Eco-friendly surface modification approach to develop thin film nanocomposite membrane with improved desalination and antifouling properties.
Article in Journal of advanced research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Overcoming the trade-off in reverse osmosis membranes through homologous matching.Nature communications · 2026Article
- Review
- Advances in Antibacterial Polymer Coatings Synthesized via Chemical Vapor Deposition.Chem & bio engineering · 2024Review
- Fouling in reverse osmosis membranes: monitoring, characterization, mitigation strategies and future directions.Heliyon · 2023Review
- A review: studying the effect of graphene nanoparticles on mechanical, physical and thermal properties of polylactic acid polymer.RSC advances · 2023Review
- Synthesis of TiOJournal of advanced research · 2023Article
- Synthesis of nano-sized lead sulfide thin films from Avocado (Glycosmis cochinchinensis) Leaf extracts to empower pollution remediation.Scientific reports · 2022Article
- Review of Thin Film Nanocomposite Membranes and Their Applications in Desalination.Frontiers in chemistry · 2022Review
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Authors and funding
6 authors.
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Abstract
Introduction: Nanomaterials aggregation within polyamide (PA) layer of thin film nanocomposite (TFN) membrane is found to be a common issue and can negatively affect membrane filtration performance. Thus, post-treatment on the surface of TFN membrane is one of the strategies to address the problem. Objective: In this study, an eco-friendly surface modification technique based on plasma enhanced chemical vapour deposition (PECVD) was used to deposit hydrophilic acrylic acid (AA) onto the PA surface of TFN membrane with the aims of simultaneously minimizing the PA surface defects caused by nanomaterials incorporation and improving the membrane surface hydrophilicity for reverse osmosis (RO) application. Methods: The TFN membrane was first synthesized by incorporating 0.05 wt% of functionalized titania nanotubes (TNTs) into its PA layer. It was then subjected to 15-s plasma deposition of AA monomer to establish extremely thin hydrophilic layer atop PA nanocomposite layer. PECVD is a promising surface modification method as it offers rapid and solvent-free functionalization for the membranes. Results: The findings clearly showed that the sodium chloride rejection of the plasma-modified TFN membrane was improved with salt passage reduced from 2.43% to 1.50% without significantly altering pure water flux. The AA-modified TFN membrane also exhibited a remarkable antifouling property with higher flux recovery rate (>95%, 5-h filtration using 1000 mg/L sodium alginate solution) compared to the unmodified TFN membrane (85.8%), which is mainly attributed to its enhanced hydrophilicity and smoother surface. Furthermore, the AA-modified TFN membrane also showed higher performance stability throughout 12-h filtration period. Conclusion: The deposition of hydrophilic material on the TFN membrane surface via eco-friendly method is potential to develop a defect-free TFN membrane with enhanced fouling resistance for improved desalination process.
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