The activated sludge process is the most widely used biological water and wastewater treatment.

The activated sludge process is the most widely used biological water and wastewater treatment.
Water from oil & gas production facilities and process/plant water often requires a number of options and stages to effectively treat to remove free oil and solids
. A CPI Unit can be very effective as the primary oil/solids removal device.
In IDEA process a period of aeration, sedimentation and a period of discharge occur repeatedly in a reactor and the inlet flow enters the bottom of the reactor, where it is slowly dispersed.
IFAS is a combination of two processes of suspended and fixed active bedding.