STUDY OF THE ADSORPTION OF Cr, Ni, AND Pb FROM TANNERY WASTEWATER USING MODIFIED RICE HUSK AND CASSAVA PEEL POWDER. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 9, n. 3, p. 268–283, 2025. DOI: 10.33003/fjs-2025-0903-2866. Disponível em: http://162.254.38.185/index.php/fjs/article/view/2866. Acesso em: 17 sep. 2025.