Technical data

Performance data

 

Capacity:
each
45.000 inhabitants equivalent
10% population
80% from turism
10% from industry
Loads: 2.955 kg BOD5/d
3.905 COD/d
446 kg Ntot/d
150 kg Ptot/d
Sewage flow: Daily quantity of sewage 12.000 m³/d
Dry weather flow 139 l/s
Wet weather flow 300 l/s
Quantity of sludge: row 180m³/d
1.600 kg/d dried matter
after primary sludge treatment 30 m³/d
After sludge dewatering 5 m³/d
Total effective volume: meccanical - biological treatment: 9.860 m³
Sludge treatment 1.080 m³
Area:
21.207 m²

Technical data

Technische_Daten.jpg

Emergency screening plant: 1 bar-creen
Bar spacing: 3 mm
Screening plant: 2 steep grate, Bar spacing 10 mm, Qm = 1.008 m³/h by 1 screenings wash presses integrated and baggaging decive
Aerated grit chamber: 2-line, Grit chamber Cross section 2 x 11,50 m²
Volume 2 x 270 m³
T = 65 min per Q
Grit washer Qm= 12 l/s
Preliminary clarifier: 4-line,
Wide 5,0 m; Lenght 29,60 m
Wather depht 2,40 m
V=4 x 380 m³…….t = 3,0 h by Qt
longitudinal flowed, sludge scrapers
Biological basin: 4-line, each line
Wide 460 m; Lenght 38,00 m
Water depht T = 5,00 m
2 x 90 pieces microbubble disc line 1-2 2 x 150 pieces microbubble diffusers tube line 3-4
Volume total 4 x 800 = 3.600 m³ Recirculation sludge, Recirculation pumps 14 x Q = 25 l/s
4 compressors each. 1.145 Nm³/h, 30 kW; 1 to 1.530 Nm³/h, 37 kW; 1 to 981 Nm³/h, 30 kW
Final clarifier: 4 basins
Lenght = 9,70 m
Wide 40,00 m
Water depht  3,20 m, V = 4 x 1.150 m³ t = 3,0 h by Qt   Longitudinal flowed, chain&flight scrapers
Phosphate precipitation: Simultaneous precipitation
Quantity of row sludge: Row sludge180m³/d with 1.600kg
TS/d and 30 m³/d
Pre-thickeners: 1 pieces
Diameter 7,00 ; Volume 1 x 150 m³
Rabble rakes, sludge water separation
Secondary sludge pretreatment: Screencloth, conditioning by polyetectrolytes Q = 30 m³/h
Digestion chambre: 2 pieces
Cylindrical tank: D1 = 7,00 m; D2 = 1,30 m; H = 13,40 m Usable Volumee = 2 x 390 m³; digestion time 30 days; Circulation by pumps
Post thickeners: 1 piece
Diameter 7,00 m; Volume 1 x 150m³
rabble rakes
Gasometer: Usable Volume 500 m³; H = rd. 8,0 m; D = 10,00 m
Gas flare plant: Capacity = 600 m³/h
Sludge dewatering: Belt press, conditioning by Polyetectrolytes Q = 12 m³/h
Sludge storage: Area: 4 x 4,40 m x 9,40 m = 165 m²; Volume: 4 x 25 m³ = 100 m³
Ventilation system: chemical area treatment (scrubber) from meccanical and sludge treatment: 15.000 m³/h
Gas engine plant: 1 piece:
Ptott = 170 kW; Pel = 60 kW;
Pth = 110 kW
Deep well - industrial water: 2 pieces of pumps, each 4,45 l/s e 6,12 l/s

Technical data sewerage system

 

Catchment area: 109 km²
Lenght: 5,60 km
Diameter: 300 mm – 400 mm
Material: Calcestruzzo
Quantity manholes: 150
Quantity measuring stations: 2
Quantity Pump stations: Pedraces 3; Puntac 1; Murin 1; Martara-Adang 1

Municipalities

ARA_Sompunt_Municipality.jpgCatchment area 109 km²
Lenght sewerage system: 5,60 km