Removal of Organic Dyes and Endocrine Disrupter by Nanocomposite of Ag(0)-Fe(0)/Fe3O4@GO Synthesized using a Facial Green Technique Employing Camellia sinensis Leaf Extract

The quaternary nanocomposite of Ag(0)-Fe(0)/Fe3O4@GO was synthesized using a facial green technique employing Camellia sinensis leaf extract, which acts as reducing and stabilizing agent. This nanocomposite (NC) is magnetically separable. Confirmation of the presence of total phenolic content was made by UV-visible spectroscopy. The surface deposition of Ag nanoparticles over Fe3O4@GO was established by the colour change to brown. The crystalline nature of green synthesized quaternary nanocomposite (Ag(0)/Fe(0)/Fe3O4@GO) was determined by X-ray diffraction analysis. This NC was also assessed for the catalytic behaviour under mild conditions for the removal of organic contaminants in water, i.e., Rhodamine B, Methylene blue and bisphenol A. The results revealed the excellent activity of bio-synthesized NCs within seconds. Outcomes also indicated the distinctive and combined influence of silver and iron nanoparticles on the immobilized support of Fe3O4@GO magnetic nanocomposite in the removal of Rhodamine B and Methylene blue. The catalyst was found more effective because of their excellent properties such as robust magnetism, easily recoverable, using an external magnet, excellent conductivity and the large surface-volume ratio. This catalyst was also found reusable and shows recyclability up to 4-5 cycles without losing its efficiency. The 70% bisphenol A removal efficiency was observed with catalyst.

SARABPRIT SINGH1, DALJIT SINGH1, AVNEESH KUMAR2, RUPESH KUMAR1, BALJINDER SINGH3 and SUKHJEET KAUR4 Click here to download file

Research Article | Published online : 11-Nov-2023