A Comparative Study of UASB and Fluidized Bed Reactor for Anaerobic Waste Water Treatment of Different Waste Concentration. International Journal of Science, Technology & Society, [S. l.], v. 5, n. 1 & 2, p. 44–47, 2020. Disponível em: https://ijsts.info/index.php/ijsts/article/view/23. Acesso em: 17 mar. 2026.