Dissolved Air Flotation (DAF) is an advanced water and wastewater treatment process widely used to remove suspended solids, oils, fats, and other contaminants from industrial and municipal wastewater. The technology works by dissolving air into water under pressure and then releasing it in a flotation tank at atmospheric pressure, forming microbubbles that attach to the suspended part... https://www.kroftaengineering.com/blog/dissolved-air-flotation-technology