Underground brackish water desalination and demineralization in order to produce standard boiler feed water and enabling one of the biggest Iran’s power plant to sustainability produce electricity close to Central Desert. Taking advantage from high efficient and optimized Double RO-Mixed Bed Demineralization process by means of achievement the product quality with less than 1 µs.

Owner / End User / Client / MC / Consultant:

Ministry of Energy / Tabas Power Plant / Roshd Sanat & Omran Azarestan Cons. Joint venture / Mapna Co. / Ghods Niroo Engineering Co. GNEC

Location / Completion Year / Duration:

Tabas – South Khorasan Province – Iran / 2017 / 6 month

Contract Type:

EC (Engineering & Construction)

Represented Solution in This Project:

Main Solution:

  • Desalination

Supplementary Solutions:

  • Electrical and Instrument / done by Absun Madar CO.

Complementary Services:

  • Laboratory Testing Services / 2 time sampling for more than 14 Parameters

Employed Process and Technology:

  • Desalination Unit : Double RO / BWRO – Capacity ~ 4,800 m³/day / Recovery = 60%
  • Demineralization : Unit Mixed Bed (Cation Exchange + Anion Exchange Resin)

Fluid Characteristic:

  Feed Product
Brackish Water Demineralized Water
Flow Rate 8000 m³/day 4800 m³/day
Pressure (at 25 °C) 21 bar
Water Reaction (pH) 8 7-7.5
Total dissolved solids (TDS) 7100 mg/L < 1mg/L
Total hardness (TH) 2250 mg/L Nil
Bicarbonate (HCO3) 530 mg/L Nil
Sulphate (SO4) 845 mg/L Nil