RAHOMAN, M. A.; TIANYU, C.; TONG, Z. Study on Sludge Characteristics and Nitrogen Removal Mechanism of Hybrid Partial Nitrification Anammox Reactor (HPNA). American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 29, n. 1, p. 80–115, 2017. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2638. Acesso em: 5 may. 2024.