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Portuguese Portfolio

– Alqueva Multi-purpose Project

The “Alqueva Multi-purpose Project” in the south of Portugal is considered a key structural investment for the development of the Alentejo region.

The Alqueva dam lies at the core of the Project and its reservoir guarantees the key resource for the region’s future, water. Its infrastructures are making Alentejo’s greatest dream come true and fostering the economic and social prosperity of one of Europe’s most disadvantaged regions.

Source: EDIA – Empresa de Desenvolvimento e Infraestruturas do Alqueva – www.edia.pt

 

 

– Castelo do Bode

Castelo do Bode is one of the most important Portuguese dams. Part of a set of dams on the Zêzere river basin in the center of Portugal, it is located downstream of the Bouçã dam and within the limits of the municipalities of Tomar and Abrantes, in the district of Santarém.

This project guarantees the water supply to approximately 2,5 million inhabitants in the Lisbon region, as well as electricity generation, flood protection and multiple recreational activities such as eco-tourism, windsurfing, sailing, rowing and sport fishing.

Source: website: http://castelodebode.blogspot.pt/; AdP

 

 

Lever Complex

Situated on the left bank of the Douro River, the Lever complex is considered one of the finest structures of its kind in Europe and is often sought as a site for carrying out research and development activities in the field of water treatment technologies. The complex has so far attracted multiple international technical delegations and is equally open to civil society through its state-of-the-art Environmental Education Centre.

The Lever complex comprises a surface water catchment installation, a reservoir for raw water and another for treated water, a pre-treatment unit, a water treatment plant (WTP), a sludge treatment unit, two electrical substations, two pumping stations, as well as three wells for in-depth uptake.

Responsible for the supply of water to about a million and a half inhabitants in the Oporto region, the complex, which is managed by the operator Águas do Douro e Paiva (ADDP), comprises one of the most sophisticated set of technologies for water treatment processes, exhibits an excellent environmental performance and its location lies perfectly integrated in the surrounding landscape.

Source:ADDP

 

– Alcântara Wastewater Treatment

The Alcântara subsystem collects and treats urban wastewater from approximately 800 thousand households in Lisbon and its outskirts. This subsystem comprises the Alcântara Wastewater Treatment Plant (WWTP), eleven pumping stations and 22,4 km of interceptor system.

For the preliminary treatment, MULTIFLO and ACTIFLO technologies are used, the latter being only used under wet conditions, when the tributary flows exceed the capacity of the MULTIFLO lines (3.3 m³/s). Subsequent biological treatment is carried out by bio filtration using BIOSTYR technology.The plant is equally equipped with a deodorizing system with the capacity to treat 160,000 m3/ h of polluted air. After biological treatment, the wastewater undergoes ultraviolet disinfection and is finally discharged on the Tagus river under safe environmental conditions.

This WWTP is considered one of the best environmental engineering works in Portugal and it even features in international guides to the best industrial architecture to be visited. The existence of this WWTP may, however, go by unnoticed. It is unique in its carefully planned suspended gardens, making it perfectly integrated in the urban landscape. This eco-design also protects the facilities from extreme sunlight, sudden downpours, and helps improve air quality and promote urban biodiversity.

Source: AdP, SIMTEJO

– Odelouca Project

The “Odelouca Project”in the south of Portugal is considered a key structural investment which ensures the water supply in the Algarve region.

This project comprises one of the largest earth dams in Europe, the Odelouca Dam, which stores water from a catchment area of 393 km2, in a reservoir area of about 7.8 km2. The water is then transported via the 8.15 km Odelouca-Funcho tunnel to intersect the Funcho – Alcantarilha water main, 200 m downstream of the Funcho dam. After traveling another 11.5 kilometres, the water from the Odelouca dam arrives at the Alcantarilha Water Treatment Plant (WTP), where it is treated and distributed to municipal systems.

 

Source: Águas do Algarve, S.A. – www.aguasdoalgarve.pt