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Oval wastewater treatment plants with integrated pumping station

Wastewater treatment plants AT 30 oval iPS to AT 225 oval iPS are designed for decentralized and semi-centralized wastewater treatment solutions. They are intended for sewage sources of the size from 4.5 to 33.8 m3 / day. Supplied separately with integrated pumping station (iPS) with mechanical pre-treatment. The technological line can be extended with a sludge tank.

They are used for sewage treatment from blocks of houses, small villages, parts of a village, accommodation properties, restaurants, recreational properties, manufacturing factories, industrial parks. After preliminary purification of industrial wastewater with organic pollution the plants serve as biological treatment for meat processing factories, dairy factories and slaughterhouses, wineries, etc. Furthermore the treated wastewater can either discharge into the surface or underground water, respectively it can be reused for irrigation.

AT 30 to AT 225 oval iPS wastewater treatment plants with integrated pumping stationThe generation of oval wastewater treatment plants with an integrated pumping station brings many benefits.

  • water inflow 1300 mm below the ground
  • plug and play installation
  • the sewage treatment plant is delivered completely wired and ready for installation
  • GSM monitoring of WWTP and pumps operation
  • transport by standard freight vehicles
  • backfill with sorted material without the need of concrete
  • powerful diaphragm blowers
  • integrated tank for the blowers
Integrated pumping station in the tank of WWTP

Integrated pumping station in
the tank of WWTP

 Support duringing WWTP project Support duringing 
WWTP project		 Setup and control of pumps
Setup and control of
pumps 
Standard freight vehicles and containers transport Standard freight vehicles 
and containers transport		 Intergrated tank for the blower Intergrated tank for the 
blower 		 Plug and play installation and connection of WWTP Plug and play installation
and connection of WWTP
Reinforced tank backfill with sorted materials Reinforced tank
backfill with sorted materials		 Stainless steel locking system for WWTP Stainless steel locking
system for WWTP		 Remote control of wastewater treatment plant
Remote control of
wastewater treatment plant 

Integrated pumping station (iPS) in the tank of the wastewater treatment plant

  • Volume 2,2 m3
  • Mechanical pretreatment 
  • 3 floats (min., working, alarm)
  • Possibility to install one or two pumps
  • Pump error reporting via GSM
  • 230 V pumps
  • AQC iPS control unit
  • Removable basket

Vertical Flow Labyrinth – VFL® - wastewater treatment technology

The AT 30 oval iPS to AT 225 oval iPS wastewater treatment plants are ideally suited for conventional truck or container transportation.

The technology Vertical Flow Labyrinth – VFL®, used in the biological reactor, is protected internationally by patent. The treatment technology ensures the high quality of purified water, low investment and operation costs.

The guaranteed and commonly achieved parameters from the outpour of the wastewater treatment plants are shown in the table below. The quality of purified water corresponds with the Directive No. 359/2022 requirements in the Collections of Laws according to the Government of the Slovak republic for discharging the water into the ground or on the surface (51-2000 PE).

Values after biological treatment:

AT 30 to AT 225 oval iPS wastewater treatment plants with integrated pumping station
Parameter Commonly  achieved  values
CODCr 35 mg/l
BOD5 10 mg/l
SS 10 mg/l
N-NH4 2 mg/l
Ntot 15 mg/l
Ptot 3 mg/l

Values after tertiary treatment:

Parameter Commonly  achieved  values
CODCr 35 mg/l
BOD5 10 mg/l
SS 10 mg/l
N-NH4 2 mg/l
Ntot 15 mg/l
Ptot 1 mg/l

Technical parameters of AT30 - 225 oval iPS wastewater treatment plants:

TYPE of WWTP Daily inflow
 [m3/day]		 Designed load
[kg BOD5/day]

Usable volume
[m3]

 Length x width x height
of reactor
[mm]
Inflow/Outflow
height
[mm]		 Weight
[kg]
No. of
reactors
 Power input
[kW]
incl. 2 pcs of pumps
AT 30 oval iPS 4,5 1,8 14,0 4660x2260x2250 1200/1500 1130 1 2,96
AT 40 oval iPS 6,0 2,4
17,8
 4850x2260x2500 1200/1900 1280 1 3,05
AT 50 oval iPS 7,5 3,0 21,4 5660x2260x2500 1200/1900 1420 1 3,05
AT 75 oval iPS 11,3 4,5 23,0 5960x2260x2500 1200/1900 1530 1 3,32
AT 100 oval iPS 15,0 6,0 27,9 7110x2260x2500 1200/1900 1850 1 3,32
AT 125 oval iPS 18,8 7,5 34,4 8560x2260x2500 1200/1900 2150 1 3,50
AT 150 oval iPS 22,5 9,0 39,8 9760x2260x2500 1200/1900 2270 1 3,68
AT 175 oval iPS 26,3 10,5 45,2 10960x2260x2500 1200/1900 2480 1 3,68
AT 200 oval iPS 30,0 12,0 49,9 12000x2260x2500 1200/1900 2640 1 3,95
AT 225 oval iPS 33,8 13,5 55,0 13360x2260x2500 1200/1900 2890 1 3,95

Possible use of external sludge tank.

AT 30 to AT 225 oval iPS wastewater treatment plants installation
 
Are installed into the prepared hole as underground tanks on a concrete slab with a thickness of about 300 mm so that the top edge of the revision manholes overlaps about 50 mm above the terrain. Wastewater treatment plant is reinforced, without the need of putting concrete around.
The backfill of the tanks is done with a sorted material of 4/8 mm fraction.
The backfill should be done by layers, while creating a back pressure by filling the water into the tank.
 
AT 30 to AT 225 oval iPS wastewater treatment plants installation
 
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