General Information
- Entity: Comune di Cagliari
- Localización: Cagliari, Sardinia, Italy
- Population: 1,150,000 hab/eq
- Capacity: 260,000 m3/day
Key points
Water line
- Raw water elevation
- Screening
- Sieving
- Grit and grease removal.
- Primary settling
- Half load, piston flow active sludge reactor biological treatment.
- Secondary settling
- Effluent disinfection
Sludge line
- Primary sludge purge
- Biological sludge purge
- Thickening
- Anaerobic digestion
- Band filters and centrifugal pumps dehydration
- Biological Gas line
- Biological gas storage in gasholder
- Electrical power generation
- Sludge heating
- Surplus biological gas burning
- Auxiliary services
- Compressed air production and distribution
- Service water production by sand filtration and distribution.
- Drinking water distribution
- Installations Up-Dating
- Biological nitrogen removal system installation using Nitrification Denitrification in the biological reactors.
- Installation of a system to adapt flows from septic tanks and rubbish Gump lixiviates previous to their incorporation to the ordinary plat treatment