29,000

Population equivalent

WWTP design and construction

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

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