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Beni Saf SWRO

Seawater RO, 200,000 m3/day in ten modules of 20,000 m3/day at 45 per cent recovery and about 4.15 kWh/m3; 17,920 membrane elements in Algeria.

Operational

The record

Country
Algeria
Location
Beni Saf
Coordinates
35.361, -1.265
Technology
Seawater RO
Capacity
200,000 m3/day in ten modules of 20,000 m3/day at 45 per cent recovery and about 4.15 kWh/m3; 17,920 membrane elements
Capital cost
—
Stage
Operational
Owner or client
Algerian Energy Company, through the Beni Saf Water Company SpA project company, 51 per cent Geida Beni-Saf and 49 per cent AEC
Contractor
Geida consortium of Befesa, Codesa, Cobra-Tedagua and Sadyt; Tedagua executed the works
Operator
Tedagua, part of Grupo Cobra; the plant sheet names Cobra and Vinci
Finance
Twenty-five year operation and maintenance contract
Award or start year
2005
Commissioned
2009-11

Record last checked 2026-09-18.

History

Sources

8 references

Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.

  1. Algerian Desalination Company, Beni Saf. aec.dz.
  2. 200,000 m3/day on a 65,712 m2 site, partners Cobra and Vinci.
  3. Tedagua, Beni-Saf seawater desalination plant: seeking excellence. tedagua.com.
  4. Ten modules of 20,000 m3/day at 45 per cent recovery, 17,920 Hydranautics SWC5-MAX elements in ten racks of 265 pressure vessels holding seven elements each, 48 sand and 28 anthracite filter tanks, energy recovery giving about 4.15 kWh/m3, an intake about 1.2 km offshore and a brine diffuser 500 m offshore; project company Beni Saf Water Company SpA at 51 per cent Geida Beni-Saf and 49 per cent Algerian Energy Company.
  5. Tedagua, Tedagua produces over one billion cubic meters at Beni Saf desalination plant (Aug 2025). tedagua.com.
  6. Tedagua commissioned the plant in November 2009, supplies about one million people across Ain Temouchent and Oran, and passed one billion m3 of cumulative output after more than fifteen years of operation.
  7. Radjai et al., Physicochemical autopsy and sequential cleaning optimization of seawater reverse-osmosis membranes: a study from Beni Saf desalination plant, Algeria, Water SA (2026). scielo.org.za.
  8. MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.

Documents chronic biofouling with dark brown gelatinous deposits above 30 per cent organic matter, worst at lead positions, and about 3,234 membranes replaced a year, 18 per cent of the installed inventory, against a normal two to three year cycle. Coordinates from OpenStreetMap way 363111782, named Beni Saf Water Company, at Chatt El Hillal in Sidi Ben Adda.