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
WWTP design and construction Seville, Spain See on Google Maps
Carmona WWTP design and construction

General Information

  • Entity: GIASA
  • Location: Seville, Spain
  • Population: 29,000 eq/inhab
  • Flow: 6,525 m3/day

Key points

Technical data

  • Average DBO5 : 377 mg/l
  • Head in DBO5 : 2460 kg/d
  • Average S.S.T. : 300 mg/l
  • Head in S.S. : 1958 kg/d

Treatment

Influent construction

  • Coarse solids well
  • Raw water pumping

Pre-treatment

  • Coarse solids breakdown
  • Fine solids sieving
  • Sand/silt trapping-Grease trapping

Biological treatment

  • Secondary settling
  • Sludge recirculation
  • Excess sludge extraction

Sludge treatment

  • Sludge thickening
  • Centrifuge sludge dehydration
  • Dehydrated sludge storage

Tertiary treatment and foam control

  • Sodium hypochlorite disinfection
More projects Discover all of our projects

"We're not just driving sustainable development and the fight against climate change, we're creating awareness to help you join the movement too. Click on the links to find out more about renewable energies, water treatment, green hydrogen or related topics."