Nanoparticle-assisted removal of EBT dye from textile wastewater: Towards sustainable Green gram seedling cultivation

Abstract

Background: Wastewater refers to water of substandard quality that originates from urban and suburban regions. The water in question is used for cultivation in regions where there is a limited water supply for agricultural activities. The utilisation of marginal quality water for farming spans about 20 million hectares of land globally, with around 10% of the global population consuming food crops that have been irrigated with this kind of water. Methods: The CuONPs wassynthesizedby a chemical method, followed by their characterization using many methods including UV-Vis spect., FTIR, DLS, XRD, and SEM.The photocatalytic degradation of EBT dye and its adsorption kinetic studies were performed. Furthermore, impact of CuONPs, and wastewater on green gram seedlings under in-vitro conditions.Findings: The chemical methods effectively synthesized CuONPs as well as under ideal phytocatalytic condition CuONPsdegraded the EBT dye up to 51.09% in 5h of treatment.The inclusion of CuONPsat a dosage of 100 mg L−1 in the wastewater proceeded in a notable improvement in the green gram seed germination by 50%, and notable biometric profile as well as essential biomolecule (chlorophyll a&b, total soluble phenolics, and lycopene) profiles.