Combined effects of ultrasound power and DO on nitrogen removal in a low-intensity ultrasound (LIU)-assisted sequencing batch biofilm reactor. International Journal of Advanced Engineering Research and Science, [S. l.], v. 12, n. 01, 2025. Disponível em: https://rehpublishing.org/index.php/ijaers/article/view/49. Acesso em: 20 apr. 2025.