Sorption and desorption characteristics for the removal of a toxic dye, methylene blue from aqueous solution by a low cost agricultural by-product. - Kallel, Fatma; Chaari, Fatma; Bouaziz, Fatma; Bettaieb, Fedia; Ghorbel, Raoudha; Chaabouni, Semia Ellouz (Journal of Molecular Liquids, 2016)