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@article{173945, author = {K. Prabhakaran and T. Mohanapriya}, title = {Adsorption kinetic, equilibrium and thermodynamic studies for the removal of Acid Blue-25 from aqueous solution by using eco friendly stishovite clay and its nanocomposite with MnO2 – A comparative study}, journal = {International Journal of Innovative Research in Technology}, year = {2025}, volume = {11}, number = {10}, pages = {2216-2224}, issn = {2349-6002}, url = {https://ijirt.org/article?manuscript=173945}, abstract = {Artificial dye pollution in the water sector has major negative effects on human health and raises environmental issues. Various sectors, such as paper and textiles, release dyes into water bodies, causing significant ecological imbalances and endangering human health. This work aims to investigate the viability of employing the Stishovite-MnO2 nanocomposite as an adsorbent to remove acid blue 25 (AB-25). Alcohol is then added to commercially available Stishovite clay and MnO2, which are then dried and put to use. Numerous operating parameters, including initial dye concentration, contact time, adsorbent dose, pH, and temperatures, have been used in batch adsorption investigations. The Langmuir, Freundlich, Tempkin, and Halsey isotherms all fit the equilibrium data quite well. These are used to determine the dimensionless separation factor, adsorption energy, adsorption capacity, adsorption intensity, and adsorption efficiency. The Elcovich model and pseudo second order kinetic model both suit the experiment results quite well, indicating chemisorptions that are supported by desorption studies.}, keywords = {Dye removal, Nanocomposite, adsorption isotherm, kinetics, desorption.}, month = {March}, }
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