Epichlorohydrine crosslinked chitosan cinnamaldehyde Schiff base (Epy-Chit-cin) had been synthesized by the reaction of epichlorohydrine, chitosan and trans-cinnamaldehyde (weight ratio 1:1:1) and characterized by FT-IR, UV-Vis, TG-DTA, DSC and XRD. The efficiency of the prepared Epy-Chit-cin was studied for the methyl green (MG) dye removal from aqueous solutions. The effects of pH, adsorbent dosage and contact time on the adsorption process were evaluated. Results showed that the equilibrium of MG adsorption by Epy-Chit-cin was reached at 120 min contact time and the maximum adsorption capacity obtained 98.47 at the presence of 0.02 g of Epy-Chit-cin.

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