Informace o publikaci
Plasma modification of photo catalytically active bio-inspired fabrics for the removal of micropollutants from wastewater
| Autoři | |
|---|---|
| Rok publikování | 2025 |
| Druh | Konferenční abstrakty |
| Fakulta / Pracoviště MU | |
| Citace | |
| Popis | The rapid growth of the global population and continuous advancements in human civilization have accelerated a significant water crisis if discharged into natural water bodies without adequate treatment posing serious risks to aquatic ecosystems and human health. Pharmaceutical waste, particularly antibiotics and anti-inflammatory medications, has emerged as a major contributor to this contamination. Graphitic carbon nitride (gC3N4) has gained a lot of attention as a photocatalytic agent for the degradation of pollutants in wastewater as it has a non-toxic nature, low cost, environment-friendly precursors, and visible range (2.7 eV) photocatalysis. Its efficiency is limited by poor adhesion to substrates and instability when exposed to water streams, leading to delamination and release into the water. To address these challenges, our research focuses on developing bio-inspired, photocatalytically active fabrics that mimic the structure of spider webs, incorporating g-C3N4 as the embedded photocatalytic material. These fabrics, constructed from synthetic polymers fabricated by electrospinning, offer enhanced mechanical stability while retaining the photocatalytic properties of g-C3N4. In this study, comprehensive characterization techniques, SEM/EDX, and BET surface area analysis were employed to analyze the structure, composition, and properties of the developed fabrics. We employed atmospheric pressure plasma (diffuse coplanar surface barrier discharge) for the modification of the fabrics. The fabrics were treated under various conditions, including distance, duration, and power, using plasma in ambient air, oxygen, and nitrogen environments, and their efficiency in removing selected micropollutants was evaluated. Degradation efficiency was studied by HPLC and LC-MS. The fabrics exhibiting the most effective plasma-induced modifications were further evaluated for their performance in treating real wastewater effluent. |