Waste Water Treatment is a process in which the waste water decharged is applied at least one of the physical, chemical or biological processes in order to have the water not lose the physical, chemical, bacteriological or ecological qualities. To do this, the waste water is applied the primary, secondary and advanced treatment methods.

Primary Treatment contains the pyhsical treatment units that removes the floating and sediment materials. Secondary treatment contains the biological and chemical treatment units. Advanced treatment is the process which further removes the materials which can’t be removed in the secondary treatment process.