Rodríguez Victoria J, Foresti E. A novel aerobic-anoxic biological filter for nitrogen removal from UASB effluent using biogas compounds as electron donors for denitrification. Rev.Fac.Ing.Univ.Antioquia [Internet]. 2012 Nov. 22 [cited 2025 Feb. 5];(60):72-80. Available from: https://revistas.udea.edu.co/index.php/ingenieria/article/view/13659