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The objective of current study is to explore the potential use of a bimetallic inorganic cation exchanger, titanium tin molybdate (TSM) for the removal of methylene blue from aqueous solution. TSM was synthesized by co-precipitation method, surface morphology was studied by using SEM and other physicchemical characteristics were done using FTIR, XRD, TGA etc. The exchanger shows high ion exchange capacity of 1.56 meqg as well as good chemical and thermal stability. The distribution studies of various metal ions on this material in different solvent systems showed that it was highly selective for Pb(II), Cd(II) and Cu(II). The UV-Vis DRS studies exposed the enhanced adsorption capability of the material towards methylene blue (MB), a hazardous organic pollutant. Batch studies were performed to evaluate various experimental parameters such as contact time, pH, adsorbent dosage, initial concentration of MB and temperature on the adsorption of MB. The isotherm studies showed that the equilibrium data were mathematically fitted to Langmuir equation. The results of kinetic studies showed that the process follows pseudo-second order kinetics. The entire studies revealed that the new exchanger TSM could be employed as an effective and economically viable adsorbent in wastewater treatment for the removal of hazardous organic dye.

iosr journal of applied chemistry

Bimetallic Ion Exchange Material Titanium Tin Molybdate as an Efficient and Eco-friendly Adsorbent for the Removal of Methylene Blue from Aqueous Solution