Efficient adsorption of fast green dye by chitosan modified with cyanoguanidine: statistical modelling, kinetic, and isotherm studies

Owing to the widespread usage of synthetic dyes, water contamination prompted by these materials has led to a severe menace on aquatic ecosystem and also on living organisms health. Chitosan modified with cyanoguanidine (CCs), prepared in our previous study, was investigated herein for the first time to assess its adsorbing ability of Fast Green (FG) dye, to widen its applications. The free amino groups beside the integrated nitrogen-rich cyanoguanidine moieties for cross linking the chitosan ch