29,000

Population equivalent

Waste water treatment plant

La Ligua Waste Water Treatment Plant

 

General Information

  • Entity: ESVAL, S.A.
  • Location: Region V, Chile
  • Population: 29,000 eq/inhab
  • Flow: 4,579 m3/day

Key points

Treatment

  • Raw water pumping
  • Breaking down and sand/silt trapping
  • Biological treatment with active sludge with aerobic sludge stabilisation and removal of nitrogen by nitrification-denitrification
  • Air supplied by turbines
  • Chlorine gas disinfection
  • Digested sludge dehydration with 2 centrifuges

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