Adsorption of Cyanide Contained in Aqueous Solution using Activated Carbon Obtained from Coffee Residue: Adsorption Efficiency; Equilibrium and Kinetic Models. GJSFR. 2020;20(H1):25-36. Accessed August 13, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/2634