WTP in Ankara / Turkey

Successful conversion to EVERZIT® N Multilayer Filtration

The İvedik water treatment plant supplies the drinking water used by the City of Ankara. The plant now operates using over 4000 m³ of German-made EVERZIT® N anthracite filter media.
In an upgrade project carried out in the years 2013/2014, the existing 56 sand filter units of the facility were converted to EVERZIT® N multilayer filtration and complemented by 28 additional filter units. These measures increased the treatment capacity of the plant to 1,690,000 m³ per day.

Advantages of EVERZIT® N

Used as the upper layer in these multilayer filter beds, EVERZIT® N increases treatment capacity and reduces operating costs by providing specific benefits:

  • Increased solids filtration capacity
  • Higher flow speeds through filter bed
  • Reduced pressure drop
  • Longer operation cycle of filter media
  • Reduced backwash-related downtime and costs

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Technical Data

Capacity of filtration:approx.       70.000 m³/h
approx. 1.690.000 m³/d
No. of filter units:84
Type of filtration: open dual media filters
Filter surface:140 m²
Total filter surface:approx. 11.760 m²
Filtration velocity:approx. 6 - 8 m/h
Year of construction:2013 - 2014

Filter layout

Filter materialHeightGrain size
EVERZIT® N:500 mm1.4 - 2.5 mm
Quartz sand:400 mm0.6 - 1.2 mm
Support layer:200 mm(not specified)