R KOTZÉ; R HALDENWANG; V FESTER; W RÖSSLE. A feasibility study of in-line rheological characterisation of a wastewater sludge using ultrasound technology. Water SA, [S. l.], v. 40, n. 4 October, 2025. DOI: 10.4314/wsa.v40i4.1. Disponível em: https://watersa.net/article/view/21708. Acesso em: 11 may. 2025.