PEREIRA, E. L.; CAMPOS, C. M. M.; MOTTERAN, F. <b>Physicochemical study of pH, alkalinity and total acidity in a system composed of Anaerobic Baffled Reactor in series with Upflow Anaerobic Sludge Blanket reactor in the treatment of pig farming wastewater</b> - doi: 10.4025/actascitechnol.v35i3.14069. Acta Scientiarum. Technology, [S. l.], v. 35, n. 3, p. 477–483, 2013. DOI: 10.4025/actascitechnol.v35i3.14069. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/14069. Acesso em: 8 set. 2025.