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Atakoy – Turkey

Process: Activated Sludge Plant

Duration of the project: 2016 - ongoing

Client: ISKI, Istanbul Water and Sewerage Administration

The Ataköy water treatment plant is located in the south-western part of Istanbul city, near to Atatürk International Airport.

The scope of work includes the revamping of the existing plant that came in service in 2010 and the construction of a new WWTP having capacity 240,000 m3/d plus an MBR section sized for 20,000 m3/d. Total area for new construction is of 100,000 m2.

The contract is of EPC (Engineering, Procurement, Construction) type, and it is relevant to turn-key supply including civil works for a duration of works of 730 days.

Capacity

1,000,000 inhabitants equivalent

Sewage treatment
  • Rock trap
  • Coarse screening 50 mm, fine screening at 10 mm and perforated screen 6 mm
  • Aerated Degritting with grease removal
  • Primary Clarification
  • Bio P biological selector
  • Anoxic/Denitrification basins
  • Aerated/Nitrification basins
  • Secondary Clarification
  • Disinfection
Sludge treatment
  • Thickening by flotation/thickener
  • Anaerobic Digestion
  • Sludge dewatering by centrifuges
  • Sludge thermal drying with fluidified bed
Odour Control, MBR Plant

Capacity: 20,000 m3/d

  • Coarse screen 2 mm
  • Drum screening at 1 mm
  • Anoxic/Denitrification basins
  • Aerated/Nitrification basins
  • UF membranes 20 l/h m2 flux
  • Disinfection