Mutxamel desalination plant

Mutxamel desalination plant

Planning, construction, installation, start-up and operation of a seawater desalination plant and ancillary works, for the supply of drinking water to the Marina Baja region, Alicante.

Aguas de las Cuencas Mediterráneas (acuaMed)
From July 2007 to October 2012
Type of work:
Hydraulic Infrastructures
Desalination plants

The plant produces 50,000 cubic metres of water a day using a reverse osmosis system, with three lines of 16,666 cubic metres per day.

One outstanding feature of the works is the dual media pre-treatment system using dual layer sand and anthracite. With a first open and a second closed filtration phase.

Water is transported by means of a pumping station buried under sea level on the coast, completely integrated in its surroundings.

It also features a product water remineralisation and pumping installation, a sludge treatment system and electricity supply facilities with a power rating of 11,000 kW.


Technical data


Inlet: 615 m of 1,800 mm-diameter GRP pipe.

Seawater pressure pipe: 3,720 m of 900 mm-diameter GRP pipe.


Brine pumping: 3,630 m of 800 mm-diameter GRP pipe.

Outfall: 430 m of 1,200 mm-diameter PEAD pipe.