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This paper investigates the removal of direct dyes through adsorption on chitin-containing residues. As representative waste, the shells of two shrimp species are tested. Removal percentage up to 90% for the tested dyes are obtained in about 2h, using 2.1mgmL−1 of shells, simply dried and grinded. Comparative analyses are also conducted on commercial chitin and chitosan flakes. Kinetic tests are carried...
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