HONG, S. W.; PARK, C.; CHUNG, T. H.; CHOI, Y. S. Solid–liquid Separation of Activated Sludge by Flotation Using Microporous Ceramic Diffuser. Journal of Applied Membrane Science & Technology, [S. l.], v. 7, n. 1, 2017. DOI: 10.11113/amst.v7i1.54. Disponível em: https://amst.utm.my/index.php/amst/article/view/54. Acesso em: 28 sep. 2021.