Abstract
Abstract The intensification of the present research work is to study the removal of Eosin yellow dye using ST (Sargassum Tenerrimum) a species of brown algae. Liquid phase batch operations carried out to examine the effect of various experimental parameters such as Agitation time, Biosorbent dosage and size, Initial concentration and pH of the dye solution and Temperature. The optimum conditions resulted at agitation time of 60 min, Biosorbent dosage and size at 0.4 gm and 90 µm respectively and Optimum pH value at 5. The maximum metal uptake of 5.18 mg/g observed. The kinetic experimental data observed that it followed the pseudo second order equation. The results showed that the Freundlich isotherm seemed to agree better than the other isotherms. The endothermic nature, feasibility of process and spontaneity of the biosorption are reported from the value of Enthalpy (ΔH), Entropy (ΔS) and Gibbs free energy (ΔG). The results indicated that ST (Sargassum Tenerrimum) a brown algae can be used as a good low cost alternative biosorbent for treatment of effluents containing (EY)Eosin Yellow dye in water.
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