Aeration in Water Treatment Plant | Types of Aerator | Cascade Aerator | Mechanical Aerator

#GATE #EnvironmentalEngineering #CPCBExam Free fall aerator (water is exposed to Air) Cascade aerator Incline apron aerator Slat tray aerator Gravel bed aerator Spray aerator (water is exposed to Air) Diffused aerator (Air is induced in water) Mechanical or surface aerator (water is exposed to Air) Design consideration o f cascade aerator