Investigating the effectiveness of Peanut hull as biosorbent of Lead (Pb) from water

Abstract

Lead contamination poses a significant threat to human health and environmental well-being. The remediation of this heavy metal from water sources is essential to safeguard health and ensure access to clean water. In this study, Peanut hull was used as a biosorbent for the removal of lead (Pb) from water. It focuses on optimizing various parameters important for lead removal. Statistical analysis, such as the Kruskal Wallis test, was used to assess the significance of these parameters on lead biosorption and inverse variance weighting technique was employed to derive the weighted contribution of each variable for fixed Pb removal categories, in the range of 80-100% and 80% (below). On analysis it was found that factors such as pH and biomass dosage played the major roles in lead removal. Furthermore, Scanning Electron Microscopy (SEM) and Energy-dispersive X-ray Spectroscopy (EDS), was done to find out changes in the structural and elemental characteristics of peanut hull after lead sequestration. Overall, this study highlights the potential of peanut hull as a promising biosorbent for the removal of lead from water, thereby offering a sustainable solution to water contamination with heavy metal.