AT6 – AT50











This European standard (EN 12566-3:2005) has been prepared by Technical Committee CEN/TC 165 “Wastewater engineering”, the secretariat of which is held by DIN. It provides the general requirements for packaged and/or site assembled treatment plants used for domestic wastewater treatment up to 50 PT. The following countries are bound to implement this European standard latest by July 2009: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Domestic wastewater is liquid wastes generating during human domestic activity. It includes wastewater from bathroom, water closet, sink, washing and dish washing machines.
VFL technology wastewater treatment plants treat wastewater contaminated with organic and chemical pollutants (these are various detergents, washing means and other household products).
Small treatment plants AT6-50 , up to 50 GE treat the volume of sewage wastes at a rate of 0.5 up to 7.5 cub.m per day, when the wastewater is received from:

  • A single house,
  • Apartment houses, apartments,
  • Hotels and boarding houses,
  • Restaurants,
  • Schools,
  • Camping sites,
  • Small-scale companies, etc.
Type AT6 AT8 AT10 AT12 AT15 AT20 AT30 AT40 AT50
PT 4 6 8 10 12 18 25 35 50
Capacity (m3/d.) 0.54 0.81 1.2 1.35 1.8 2.7 3.75 5.25 7.5
Diameter of the plant
(mm)		 1400 1400 1750 1750 2050 2050 2300 2850 2950
Height of the plant
(mm)		 1800 2200 2000 2200 2200 2700 3000 2700 3000
Height of the inlet pipe (mm) 1300 1700 1500 1700 1700 2200 2500 2200 2800
Height of the outlet pipe (mm) 1150 1500 1250 1500 1500 2000 2300 2000 2600
Average electric consumption
(kW/annum)		 208 270 411 582 782 1564 2689 2359 4254
The excess sludge removal (m3/annum) 1 1.5 2 2.5 3 4.5 6.3 8.8 12.5


Advantages of August ir Ko UAB patented wastewater treatment plants:

- High-performance, removes nitrogen and phosphorus;
- employs no chemical substances;
- diffuses no offensive odour;
- insensitive to peak flows;
- low power consumption (4GE uses 208 kWh/per annum);
- low generation of excess sludge (1 cub. m./per annum of excess sludge 4GE)
- occupies less space and spoils no aesthetic scenery, thus allows making the most of the available space;
- easy-to-use, cost-effective assembling and can be easily conveyed;
- can be left free of wastewater for 30 and more days, thus causing no problems in planning long-term trips and holidays;
- can operate under any weather conditions – due to the biological processes running in the plant, the contents of the tankages remains non-freezing even under a very low temperature;
- conforms to the highest ecological standards and produces no impact on the nature.

Moreover,

  • August ir Ko UAB plant can be assembled and launched within 1 working day.
  • Wastewater treatment parameters are available as of the moment the plant is started.
  • The water treated in August ir Ko UAB wastewater treatment plant can be reused as service water.


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At the present time, August ir Ko UAB is the only producer in the Baltic States, holding the document issued by an independent laboratory, which guarantees that
biological wastewater treatment plants produced by August ir Ko UAB are notable for high parameters of the treated wastewater.biological wastewater treatment plants produced by August ir Ko UAB are notable for high parameters of the treated wastewater.