Technical data

Performance data

 

Capacity:
each
36.000 inhabitants equivalent
25% population
50% from turism
25% from industry
Loads: 1.500 kg BOD5/d
2.500 COD/d
225 kg Ntot/d
51 kg Ptot/d
Sewage flow: Daily quantity of sewage 3.200 m³/d
Dry weather flow 141 l/s
Wet weather flow 256 l/s
Quantity of sludge: row 182m³/d
1.300 kg/d dried matter
after primary sludge treatment 30 m³/d
After sludge dewatering 5 m³/d
Total effective volume: meccanical - biological treatment: 9.050 m³
Sludge treatment 1.610 m³
Total effective volume:
30.000 m³

Technical data







Pump station: 2 screw conveyor, 800 mm,
Tilt angle 33°
Qmax 128 l/s
Emergency screening plant: 1 bar-screen
Bar - spacing 3 mm
Screening plant: 2 bar - screen, 700 mm
Bar spacing: 5 mm; Qmas=936 m3/h
by 1 screenings wash presses integrated 
and bagging decive
Aerated grit chamber: 2-line, each line, 
Grit chamber Cross selection 2,07 m²
Volume 67,2 m³
T = 9 min per Qt
Grit washer Qm= 12 l/s
Preliminaty clarifier: 1-line, 
Wide 6,0 m; Lenght 18,60 m
Water depht 2,35 m
V=254 m³…….t = 0,49 h by Qt
Longitudinal flowed, sludge scrapers
Biological basin: 2-line, each line
Aerob basin = 620 m³
Anix basin (denitrification)
2 Basins = 880 m³
Aerob basin (nitrification) = 1.325 m³
162 pieces membrane diffusers
Volume totale: Aerob basin 1.320 m³
Denitrification 1.760 m³
Nitrification 2.650 m³
Totale A+VD+VN = 5.730 m³
2 Horizontal agitator Q = 16.990 m³/h
Recirculation pumps 2 x Q = 120 l/s
4 compressor, each 300/720 Nm³/h, 19,3 kW
Final clarifier: 4 basins,
Lenght / Wide = 37,0/6,0 m
Water depht = 4,80 m; V = 4.160 m³
Longitudinal flowed, chain&flight scrapers
Phosphorate Precipitation: Simultaneous precipitation
Quantity of row sludge: Row sludge 182 m³/d by 2.341 kg TS/d
and 41 m³/d after primary
sludge pretreatment
Pre-thickeners: 1 pieces
Diameter 7,00 ; Volume 1 x 234m³
Rabble rakes, sludge water separation
Secondary sludge pretreatment: Screencloth, Conditioning by 
Polyetectrolytes Q = 30 m³/h
Digestion chambers: 1 piece
Cylindrical tank D = 12,00 m; H = 12,70 m
UsableVolume = 1.140 m³; Digestion time 45 days
Circulation by biogas + pumps
Post thickeners: 1 piece
Diameter 7,00m; Volume 1 x 234m³
Rabble rakes
Gasometer: Cylindrical enclosure in steel construction
Gas accumulator;
Usable volume 490 m³; H = rd. 8,0 m
Gas flare plant: Capacity = 60 m³/h
Gas compressor station: 2 Compressors

Sludge dewatering:
2 filter belt press, Conditioning by 
Polyetectrolytes, Q = 25 m³/h
Accumulo fanghi: Superficie: 220 m²
Alimentato da coclee di trasporto
Impianto gas liquido: Serbatoio gas V = 25 m³ (interrato)
con vaporizzazione
Trattamento aria: Chemical area treatment scrubber 
From meccanical and sludge treatment: 15.000 m³/h
Heating system plant: Heating system plant by 2 boiler plants each 350 kW thermal
capacity by switching automatically
for methane gas or biogas
Gas engine plant: 1 peace each 
Ptot = 151 kW; Pel = 50 kW;
Pt = 85 kW for propane and biogas
Deep well – industrial water: 2 pieces of pumps, each 8 – 12 l/s

Technical data sewerage system

 

Catchment area: 160 km²
Lenght: 13,35 km
Diameter: 400 mm – 1.000 mm
Material: GFK, GU, Beton
Quantity manholes: 256
Quantity measuring stations: 3
Quantity Pump stations: 1

Municipalities

Catchment area: 160 km²
Lenght: 13,35 km


ara_innichen_map_it.gif