“Batch and Column Studies on Methylene Blue Using Activated Carbon Al2O3 Nano-Composite and Its Impregnated Calcium Alginate Beads”. JOURNAL OF ADVANCES IN CHEMISTRY 12, no. 12 (December 20, 2016): 5599–5612. Accessed June 23, 2026. https://rajpub.com/index.php/jac/article/view/3890.