Air is dissolved under pressure into h2o to produce, once stress is introduced, air bubbles having a diameter of twenty to 50 microns that saturate The entire liquid mass. NeoTech DAF procedure contains supersaturation of discharge drinking water from your effluent close of your technique tank with air. Air flotation http://conneraggby.blogerus.com/3642749/5-simple-techniques-for-air-flotation-units