Efficiency of chitosan as a coagulant in the after-treatment of effluents from a pig slaughter plant. Orinoquia, [S. l.], v. 23, n. 2, 2019. DOI: 10.22579/20112629.567. Disponível em: https://orinoquia.desarrollo-ojs1.metadatos.org/index.php/orinoquia/article/view/567. Acesso em: 15 apr. 2026.