Effect of Ultrasonic Treatment on The Quality of River Water

Gabriel Dufayet; Kusno Kamil; Muhammad Balfas; Setyawati Yani; Herve Boileau

Gabriel Dufayet Universite Savoie Mont-Blanc, Chambery, France
Kusno Kamil Department of Mechanical Engineering, Faculty of Engineering, Universitas Muslim Indonesia
Muhammad Balfas Department of Mechanical Engineering, Faculty of Engineering, Universitas Muslim Indonesia
Setyawati Yani Department of Chemical Engineering, Faculty of Industrial Technology, Universitas Muslim Indonesia
Herve Boileau Universite Savoie Mont-Blanc, Chambery, France

Keywords: Ultrasonic, Water Treatment, River Water, Microorganisms, Cavitation, Disinfection

Abstract

The increasing urban population in Makassar, South Sulawesi, continues to impact surface water quality, particularly in local rivers that receive various domestic and industrial discharges. This study investigates the impact and effectiveness of ultrasonic treatment on river water potentially containing microbial contaminants. Rather than aiming to implement ultrasonic technology in a full-scale treatment chain, this research focuses on understanding the ability of ultrasound to inactivate microorganisms through acoustic cavitation, which generates hydroxyl radicals, shock waves, and localized heat. Laboratory-scale experiments are conducted to observe and quantify changes in microorganism concentrations under different durations of ultrasonic exposure. The results aim to provide insight into the potential of ultrasound as a physical disinfection method for microbially contaminated surface water.