Our foundation: acciona.org Initiatives we support Our strategy Sustainable Development Goals Climate emergency Social development Sustainability indices Sustainable Development Alliances Technology and innovation centres Open and collaborative innovation Digital hub Innovation projects Job offers Graduates and internships Diversity, equity and inclusion Safety, health and well-being Training Selection process Energy Transport Water Social Cities Real Estate Financial Integrated annual reports Annual accounts Results, reports & presentations Average period of payment to suppliers Ratings Share price Dividends Analyst opinions Investor calendar General Shareholders' Meeting Board of Directors and Committees Management team Share capital Annual Corporate Governance Report Director remuneration Governance rules and compliance Framework Agreement CNMV Communications Sustainable finance
Treatment and Discharge Improvement Coruña, Spain See on Google Maps
Cabo Prioriño Submarine Outfall. Improved Treatment and Discharge. This station serves the municipalities of Ferrol, Narón and Neda. It is a modern and compact plant in which the occupation has been minimised to reduce the visual impact generated by the clearing necessary for its construction.

General Information

  • Entity: MIMAM. North Hydrographic Confederation
  • Location: Ferrol, A Coruña, Spain
  • Flow: 31,000 m3/day

Key points

Water Line

  • Influent construction and pre-sand/silt trapping
  • Forebay
  • Influent flow metering and regulation
  • Raw water lifting to treatment line, with 5 submergible screw pumps
  • Pre-treatment with 3 mm sieving in 4 channels and sand/silt trapping-grease trapping in 5 channels
  • Pre-treated water flow metering
  • Lamellar settling without reagents (SEDIPAC), in three units
  • Biological filtration (BIOFOR), in six units
  • Biofor dirty washing water regulation (with the excess sludge from this biological treatment)
  • Delivery of treated water to action commencement (Disinfection and undersea effluent pipe)

Sludge Line

  • Joint primary sludge and excess sludge extraction from the DEDIPAC, and six screw pump pumping
  • Excess sludge thickening through thickening screens, in three units with chemical conditioning
  • Pumping to digestion, by three twist screw units

Gas line

  • Gas production in digesters
  • Gas storage in low pressure gasometer
  • Using gas in sludge heating
  • Surplus gas burning in flare

Ancillary services

  • Deodorising
  • Building ventilation
  • Service water
  • Service air
More projects Discover all of our projects