Water reuse

for irrigation

Conquer is a European project co-funded by the LIFE Programme that aims to promote the circular economy by developing a system to reuse contaminated groundwater infiltrated in residential areas, maintaining the necessary nutrients and eliminating salinity, for irrigation purposes in the city of Murcia.

Water reuse is the way to go

Water scarcity is no longer limited to a few regions of Europe, but already a concern across the EU, with one third of the territory experiencing water stress.

Water reuse has been evidenced as the most sustainable alternative to the use of freshwater sources in terms of cost and environmental impact. However, wastewater salinity is still a challenge in wastewater treatment (WWTP) and reclamation (WRP) plants, where collectors receive industrial brines, agricultural runoff waters and/or marine intrusion.

CONQUER will tackle this situation by developing an innovative solution that will enable water reuse for irrigation, thus promoting circular economy.

Conquer in numbers

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An innovative solution to close the loop

Conquer will develop an innovative water reclamation plant (WRP) to enable water reuse by dividing nitrates and salinity and obtaining an effluent rich in nutrients, which will be reused for irrigation instead of being discharged to the environment. Dissolved salts, already separated from the reclaimed water stream, will be concentrated and then transformed to sodium hypochlorite, promoting a cost-effective solution to transform concentrated saline effluents into valuable by-products.

Main outputs and achievements

Reduction of over 25% of the total water footprint

of Murcia city urban irrigation system

Reduction of over 35% of total energy consumption

in Murcia city urban irrigation system through the substitution of 500.000 m3/year of potable water for regenerated water

Reduction of up to 20% of the total NaOCl consumption

in EMUASA facilities thanks to brine valorization and reuse

Meet the team

Cetaqua Andalucía

Cetaqua is a model of public-private collaboration that was created to ensure the sustainability and efficiency of the water cycle while taking regional needs into account.

Aquatec – Suez Advanced Solutions

Suez Advanced Solutions provides consultancy services and technological solutions to confront challenges of the water cycle in the urban, industrial, agriculture and environmental sectors, contributing to its optimum management in three aspects: technical, economic and environmental.

Aguas de Murcia

Aguas de Murcia (EMUASA) is a joint venture service company, 51% owned by the City of Murcia and 49% owned by HIDROGEA, that manages the water cycle in the municipality of Murcia, serving nearly 445,086 people divided between the urban centre, the surrounding countryside and 54 villages.