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Business areas

VALORIZA AGUA and SADYT constitute the Sacyr Group companies handling the design, construction and operation of water treatment plants.

Their main fields of activity are as follows:

  •  Desalination of brackish water and seawater through reverse osmosis and through the electrodialysis reversal process. It currently treats 784,000 m3/day, of which 714,000 m3 is for human consumption. With more than 70 references and a desalinated water production of over 1,600,000 m3/day installed or under construction.
  •  Drinking Water Purification. State-of-the-art technology is employed to remove contaminants from underground or surface water, ensuring the supply of top-grade water free from physical, chemical and microbiological hazards. Sadyt purifies 90,000 m3 of water per day at its four purification plants.
  •  Purification and reuse. Tertiary treatment of urban wastewater and industrial water. Sadyt purifies 200,000 m3 of wastewater and reuses 64,000 m3. Special mention is given to the EDAR (Wastewater Purification Plant) project on the La Reguera canal in Madrid, with 80,000 m3/day. It also boasts major references in wastewater treatment by way of membranes (MBR).
  •  Treatment of water for industrial processes. Sadyt has numerous water treatment plants for industrial processes, including plants for producing process water, plants for obtaining ultra-pure water for high-pressure boilers and waste treatment plants, as well as membrane (MBR) reactors for the food industry, thermal plants, refineries, etc.
  •  Desalination of water for agricultural use. Sadyt operates and treats over 113,000 m3/day, which is the equivalent of supplying a population of 560,000 inhabitants.

In Spain, its drinking water treatment plants include the Abrera plant in Barcelona (the largest electrodialysis reversal plant in the world) and the Águilas plant in Murcia (one of the largest reverse osmosis desalination plants in Spain).

The most notable projects carried out in Spain are:

  •  Expansion of the Abrera desalination plant, the world's largest desalination plant using Electrodialysis Reversal (EDR) technology, with a production rate of 200,000 m3/day. Thanks to the opening of this plant, over 2 million inhabitants of Barcelona and part of its metropolitan area have better-tasting tap water.
  •  Expansion of the Águilas-Guadalentín desalination plant, which has a capacity of up to 210,000 m3/day. It will supplement the supply to meet the irrigation needs of the southern area of Cuenca del Segura, and the supply to the towns of Lorca and Águilas. The plant also boasts outstanding distribution and pumping systems for its users and advanced systems for diffusing and dissolving brine in the sea, thus helping to protect our environment. The contract for this facility, which is currently in the start-up phase, includes its operation for 15 years.
  •  The reverse osmosis desalination plant in Bahía de Alcudia (Mallorca) has a desalination capacity of 14,000 m3/day, in two production lines of 7,000 m3/day, with a future possibility of expansion to 21,000 m3/day. Sadyt is to manage the plant for 15 years.
  •  The largest industrial water treatment project in Spain: a plant for the treatment of demineralised water (350 m3/h) and waste (200 m3/h) in the Repsol YPF refinery in Cartagena.
  •  Project for the construction of a sea water desalination plant in Fuengirola, with a capacity of 60,000 m3/day. Awaiting approval for the construction phase. The company also has important contracts outside of Spain.

These include:

  •  The Southern Seawater Desalination Plant (SSDP), located in Binningup (Western Australia). The contract includes the design, construction, operation and maintenance of the reverse osmosis desalination plant for the next 25 years. The plant has a daily capacity of 153,000 m3. The desalination plant uses the innovative “split hybrid” system, ensuring minimal energy consumption. This plant is currently in operation and in the process of being expanded to double its capacity (300,000 m3/day), the contract for which was signed in August 2011.
  •  The Skikda (Algeria) desalination plant, which is already in operation, has a production capacity of 100,000 m3/day and produces drinking water with a salinity of under 500 mg/L, using sea water from the Mediterranean with a salinity of 39,000 mg/L, using a reverse osmosis process. The plant is located in the industrial coastal city of Skikda and has 5 treatment lines, each with a production capacity of 20,000 m3/day. The energy consumption is approx. 3.6 kWh/m3 of water produced.
  •  The Themclen Hounaine (Algeria) desalination plant is currently in construction near the city of Oran. The plant will use the reverse osmosis method and will have a desalination capacity of 200,000 m3/day with 10 production lines of 20,000 m3/day and an energy consumption rate of 4.42 kW/m3.
  •  The Ashdod Seawater Desalination Plant in Israel, having a production capacity of 384,000 m3/day by reverse osmosis, a total contract value of 300 million euros and an execution time of 30 months. Currently under construction, it will be one of the largest in the world.
  •  A desalination plant of 16,000 m3/day for the Mantoverde mining company. Located in Copiapó, Chile, this major industrial project launches the company in South America. The project includes the desalination facilities and pumping to the mining site located at an altitude of 700 m.

The company also has major operating and maintenance contracts, not only for plants constructed by Sadyt (such as the desalination plants in Algeria, Australia, and Aguilas, Spain), but also other operating contracts such as those for the Las Palmas III desalination plant (80,000 m3/day) or various Wastewater Purification Plants for the Isabel II Canal (for instance, La Reguera, 80,000 m3/day).

In addition to projects involving the construction and operation of facilities, the company has made major investments in research and development, most notably a research project into innovative solutions for brine disposal at desalination plants, which has a budget of 6 million euros, and a research project into the reduction of odours at Wastewater Purification Plants, with a budget of 1 million euros.

The company has many standing agreements with universities and both public and private research centres in Spain and beyond.
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