Pretreatments

This is the first stage of waste water treatments, it allow to remove suspensded solids and/or separate water from sands or oils,
and prevent the following  problems into the biological system:

  • generations of unpleasant odors
  • accumulation of debris into pipelines
  • damaging of the pumps
  • raising of the parameters (COD, BOD5, ... )
  • reduction of the performance of the activated sludge compartment