Wastewater treatment plants AT 300 - AT 2000 oval MAXI with VFL® technology
Wastewater treatment plants AT 300 to AT 2000 oval MAXI are designed for centralized wastewater treatment solutions in municipalities up to 2000 PE. Capacitively suitable for sewage sources from 45 to 300 m3 / day. They are supplied as a complete technological line supplemented by a pumping station with mechanical pre-treatment, homogenization tank, sludge management and a complete technical infrastructure. The parallel connection of individual biological reactors ensures the possibility of staged construction.
They are used for the treatment of sewage and municipal wastewater from municipalities up to 2000 PE.
Treated wastewater, after biological treatment or tertiary treatment, is discharged into surface waters.
400 V electrical
connection for WWTP
Possibility of staged
realization of the work
Remote control ofwastewater treatment plant
WWTPs are prefabricated,
(including operating building)
Installation of WWTP type AT 300 to AT 2000 oval MAXI
They are installed in the excavation as recessed tanks on a reinforced concrete foundation slab about 400 mm thick so that the upper edge of the inspection entrances (chimneys) protrudes about 50 mm above the prepared terrain.
The pumping station, the buffer homogenization tank and the sludge tank are installed in the same way. Above these tanks there is a container building with facilities for the operator and also rooms for mechanical pre-treatment, blowers and sludge management, which form the complete technical infrastructure of the treatment plant.
Guaranteed and normally achievable parameters at the outflow from the WWTP listed in the table:
|Parameter||Average value||Guaranteed value|
|COD||35 mg/l||75 mg/l|
|BOD||10 mg/l||15 mg/l|
|NL||10 mg/l||20 mg/l|
|N-NH4||2 mg/l||5 mg/l|
|Ntot||15 mg/l||25 mg/l|
|Ptot||3 mg/l||7 mg/l|
Length x Width
|AT 300 oval MAXI||45||18||1||76,3||26 x 13,5||351||15,50|
|AT 400 oval MAXI||60||24||1||91,5||28 x 13,5||378||18,50|
|AT 500 oval MAXI||75||30||1||110,6||30 x 13,5||405||18,50|
|AT 600 oval MAXI||90||36||2||152,6||26 x 13,5||351||17,70|
|AT 800 oval MAXI||120||48||2||183,0||28 x 13,5||378||22,72|
|AT 1000 oval MAXI||150||60||2||221,3||30 x 13,5||405||22,72|
|AT 1200 oval MAXI||180||72||3||274,5||28,8 x 13,5||389||27,82|
|AT 1500 oval MAXI||225||90||3||331,9||30,8 x 15||462||27,82|
|AT 2000 oval MAXI||300||120||4||442,5||30,8 x 15||462||33,12|