Ângela de G. L. C. Costa, “Post-treatment of Anaerobic Reactor Effluent by Double Filtration with Gravel and Clinoptilolite and Ozone Disinfection”, Orbital: Electron. J. Chem., vol. 13, no. 4, pp. 328–334, Oct. 2021, Accessed: Jan. 30, 2026. [Online]. Available: https://periodicos.ufms.br/index.php/orbital/article/view/15580