65,000

m3/day

Desalination through revers osmosis

Desalination through reverse osmosis of sea water to supply clean water to the populations of Alicante, Elche, San Vicente del Raspeig and Santa Pola.

General Information

  • Project: Canal de Alicante SWRO
  • Entity: Ministry of the Environment.
  • Location: Alicante, Community of Valencia. Spain.
  • Capacity: 65,000 m3/day.

Key points

  • Sea water intake through well catchment.
  • Disinfection through the addition of sodium hypochlorite.
  • Pumping of sea water through deep well vertical centrifuge pumps (18) of 300 m3/h each.
  • Line Microfiltration through 10 units of constant level filters.
  • Conditioning of filtered water through dosage of sulphuric acid and anti-fouling agent (sodium hexametaphosphate).
  • Elimination of residual free chlorine through the addition of sodium bisulphate.
  • High pressure pumping and energy recovery through 7 multi-stage + Pelton turbine groups.
  • Seven frames of 100 modules and with 700 membranes each.
  • Remineralisation of desalinated water through the addition of lime.
  • Treated water tank using (4+1) pumps of 525 m3/h.
  • Impulsion piping for produced water with 8,300 m of diameter 1100 and 13,625 m of diameter 700. Regulation tank of 50,000 m3.
  • Supply by gravity to the Canal de Alicante.

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