Process Optimization of Chitosan Adsorption of Methylene Blue Dye from Aqueous Solution Using a Central Composite Design. Souf Journal of Engineering and Sustainable Chemistry, [S. l.], v. 2, n. 1, p. 001–009, 2026. Disponível em: https://sjescjournal.com/index.php/sjesc-journal/article/view/17. Acesso em: 25 aug. 2026.