Project
San Colombano - Florence
Water Treatment
Water Treatment
San Colombano - Florence
- Process
-
Activated Sludge
- Duration of the project
-
2010
- Client
-
Publiacqua S.p.A.
It is part of a large environmental project interesting an area around Florence of 200 hectares and serving eight municipalities.
The waste Water treatment plant is located on the left bank of the river Arno and
Sewage treatment
- Coarse screening 20 mm and fine screening at 3 mm
- Aerated Degritting with grease removal (number 6 chambers each for 540 m3)
- Primary Clarification (number 3 circular basins, 59 m diameter)
- Biological selector
- Anoxic/Denitrification basins (number 3 basins each of 24,000 m3)
- Aerated/Nitrification basins (number 3 basins each of 8,000 m3)
- Secondary Clarification (number 9 circular basins 55 m diameter)
- Disinfection
Sludge treatment
- Thickening by centrifuges
- Two stage Anaerobic Digestion (number 6 digesters 4,500 m3 each)
- Sludge dewatering by centrifuges