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Running, upkeep and maintenance of the WWTP El Copero (Seville), Spain See on Google Maps
Running, upkeep and maintenance of the WWTP at Copero and its corresponding pumping stations during a period of 2 years, with a possible extension for a further 2 years (2+1+1).

General Information

  • Project: WWTP Copero, Seville, Spain
  • Client: Metropolitan Company for the Supply and Waste Treatment for the Seville Water Area (Empresa Metropolitana de Abastecimiento y Saneamiento de Aguas de Sevilla (EMASESA))
  • Location: Seville, Spain
  • Population: 1,487,500 equivalent inhabitants (design); 711,000 equivalent inhabitants (current)
  • Capacity: 255,000 m3/day (design); 135,000 m3/day (current)

Key points

Water Line

  • Intake
  • Pre-screening (2 channels)
  • Source water pumping
  • Screening (6 channels)
  • Degritting and extracting of floating matter (6 units)
  • Primary separation (6 units)
  • Biological flow treatment through pistons (8 units)
  • Sludge recirculation
  • Secondary separation (8 units)
  • Tertiary treatment for service water
  • Chlorination

Sludge Line

  • Gravity thickening for primary sludge (4 units)
  • Floatation for biological sludge (3 units)
  • Mixing of thick and floating sludge
  • Anaerobic digestion (8 units)
  • Deposit for digested sludge (2 units)
  • Sludge warming
  • Gas storage
  • Burning of excess gas
  • Sludge dewatering (4 centrifugal separator units)
  • Storage of dewatered sludge
  • Biogas cogeneration (4 units)

Pumping Stations

  • Drinking Water Pumping Station at Guadaira M.D: Pumping of sewage and rain water with a capacity of 31,8 m3/s.
  • Drinking Water Pumping Station at Guadaira M.I. Tornillos: Pumping of sewage and rain water with a capacity of 8 m3/s.
  • Residual Water Pumping Station at Polígono la Isla: Pumping of sewage with a capacity of 1,112 m3/s.
  • Drinking Water Pumping Station at Copero: Pumping of rain water with a capacity of 1,112 m3/s.
  • Drinking Water Pumping Station at Arroyo Culebra: Pumping of rain water with a capacity of 0,90 m3/s.
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