Study Of The Adsorption Of Methylene Blue Dye From An Aqueous Solution Using Water Hyacinth Leaf Powder

Abstract

The adsorption of Methylene Blue from an aqueous solution onto the surfaces of powdered water hyacinth leaf was examined in this work. Water hyacinth leaf powder was utilized for conducting batch testing. The study also investigated the impact of contact time, leaf powder dosage, and initial pH on the effectiveness of removal. We investigated the equilibrium and kinetics of MB adsorption on this adsorbent at a temperature of 25ºC. The kinetic data were analyzed using models for pseudo first-order and pseudo second-order. The sorption data were subsequently utilized to fit the Langmuir and Freundlich adsorption isotherm models. The most effective dose of WH leaf powder for removing MB was found to be 0.4 g/l, resulting in a removal efficiency of 95.90% when the contact period was 3 hours. The adsorption kinetics of MB on WH leaf powder has been found to follow a pseudo second-order model. The isotherms exhibited a strong correlation with the experimental results. The WH leaf powder has a capacity of 52.35 milligrams of MB per gram of WH leaf powder. The findings indicate that WH leaf powder can serve as a very efficient adsorbent for the removal of MB from an aqueous solution.