Preliminary treatment – coarse screen and complete mechanical stage for grit and grease removal;
Biological treatment stage -combined and cyclical nitrification, denitrification, phosphorus removal and final sedimentation in four SBRs, using most advanced technology to provide optimal and stable purification of the wastewater;
Disinfection with NaOCl in case of epidemic;
Sludge treatment – aerobic stabilization, thickening and mechanical dewatering.