| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Innovative Hydrometallurgical Technologies for Environmentally Benign Processing and Remediation: An EPD Symposium Honoring Fiona Doyle
|
| Presentation Title |
Green Synthesis of Silica-Based Photocatalysts from River Sand for Toxic Dye Removal From Industrial Waste Water |
| Author(s) |
Abu Bakar Md. Ismail, ChaitY Ghosh, Kishor Bhowmik, Pradip Kumar Biswas |
| On-Site Speaker (Planned) |
Abu Bakar Md. Ismail |
| Abstract Scope |
Water pollution is a critical issue in Bangladesh, stemming from various sources like industrial waste, runoff from agriculture, and insufficient wastewater treatment facilities. The synthesis of silica from river sand, an abundant material in Bangladesh, and its composites with ZnO (ZnO/SiO2) and CuO (CuO/SiO2) using a temperature-controlled microwave oven have been reported. The synthesized composites were characterized using XRD, FTIR, SEM, and UV-VIS spectroscopy. Both composites removed more than 50% of methylene blue (MB) dye concentration under UV in 30 minutes. The dye removal efficiency was higher for higher composite concentrations. Adsorption and photocatalysis of the composites jointly contributed to the removal and degradation of MB from water. The results showed that microwave-based green technology could synthesize high-quality silica from river sand, which can act as a support material for ZnO and CuO-based photocatalysts for the removal of MB dye. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Composites, Extraction and Processing, Environmental Effects |