Pereira EL, Campos CMM, 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 Sci. Technol. [Internet]. 27º de fevereiro de 2013 [citado 8º de setembro de 2025];35(3):477-83. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/14069