These devices are previous to biological wastewater purification process to reduce the pollution load of water to improve subsequent biological process performance.

• DAF (Dissolved Air Flotation)

• Physical-Chemical for forced flotation. Building material stainless steel, with polyelectrolyte preparation, mixing, pressurization system, pumping, depressurization and sludge collecting. Sludge removal system automatically or manually. FRP manufacturing option.

• CAF (Cavitations Air Flotation)

• Compact Physical-Chemical, made of stainless steel, FRP and carbon steel hot dip galvanized manufacturing option. With aeration tank, polyelectrolyte mixing tank and settling zone. Sludge removal system automatically or manually.