S KIM; J KIM; J CHUNG. Improved waste-activated sludge dewatering using sludge/oil emulsion, ultrasonic and microwave technologies. Water SA, [S. l.], v. 40, n. 4 October, 2025. DOI: 10.4314/wsa.v40i4.13. Disponível em: https://watersa.net/article/view/21724. Acesso em: 10 may. 2025.