One pot green synthesis of silver nanoparticles decorated reduced graphene oxide nanocomposite for wastewater treatment

One efficient method for treating wastewater is to use reduced graphene oxide (rGO) coated silver nanoparticles (AgNPs) nanocomposite. However, a significant disadvantage of this type of nanocomposite creation is its chemical nature, and the biogenic technique may offer a viable substitute. As a result, the main objective of this work was to create nanocomposite based on AgNPs and rGO utilizing palm date juice in a single step, and then utilize them to treat wastewater. Typically, sonication is used to combine graphene oxide (GO), AgNO3, and palm date juice. The mixture is then heated using a thermostat. X-ray diffraction and ultraviolet-visible spectroscopy investigation indicated that Piper chaba stem extract efficiently and concurrently lowers the Ag+ ions and GO to generate AgNPs/rGO nanocomposite. Through investigation using scanning electron microscopy, the anchoring of AgNPs on rGO was verified. The AgNPs/rGO nanocomposite was fabricated on a treated loof that was derived from nature as a solid support using the same synthetic method. As a model reaction for the reduction of organic dyes, the resulting AgNPs/rGO nanocomposite demonstrated outstanding catalytic efficiency toward the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) and toward the removal of methylene blue dye from waste water. Furthermore, using a dye extracted from wastewater in the fifth cycle, the AgNPs/rGO demonstrated high reusability. This fabrication's advantages include its low cost, non-toxic chemical composition, utilization of agricultural waste, little processing work, and simplicity of replication. The produced nanocomposite may have outstanding catalytic efficacy and quick recyclability in wastewater treatment, which greatly aids Bangladesh's chemical treatment and dying industries' effluent treatment plants (ETP) for the reductive breakdown of organic contaminants.

• Research Project