The Chemical Physical purification process enables the removal of pollutants present in waste water to make it suitable for discharge and ensure compliance with legal parameters, through two process phases:
- The Chemical phase which renders pollutants present insoluble, thanks to the use of suitably dosed chemical reagents.
- The Physical phase which involves decantation for the separation of pollutants present (in the form of sludge), from clarified water. Pollutants separated as sludge are then sent for thickening using a filter press and for external disposal, whereas clarified water is generally filtered with active carbons and sent for discharge.
The characteristics of pollutants present and the volume of water requiring treatment determines which plant solution is adopted: Continuous Chemical Physical System for running water, or Discontinuous (Batch) System for small volumes of water.