The main purpose of using dissolved air flotation (DAF) is to ____________

Dissolved air flotation (DAF) is primarily utilized to remove suspended solids, oils, fats, and greases from wastewater. The process involves dissolving air into water under pressure and then releasing the pressure, which leads to the formation of microscopic air bubbles. These bubbles attach to suspended particles, allowing them to rise to the surface and form a froth that can be easily removed. This is particularly effective in treating wastewater that contains high concentrations of oils and greases, which are challenging to remove through traditional methods such as sedimentation.

While improving sedimentation processes, enhancing biological treatment efficiency, and increasing disinfection efficacy are important aspects of wastewater treatment, they are not the primary functions of dissolved air flotation. DAF's unique capability to handle specific contaminants makes it a valuable technology in the wastewater treatment process, focusing specifically on the effective removal of unwanted solids and floatable materials, thereby ensuring cleaner effluent and protecting downstream treatment processes.