200,000

Supplied Inhabitants

Purification of urban and industrial wastewater

This Wastewater Treatment Plant will treat the urban and industrial wastewater from the municipality of Lugo.

General Information

  • Entity: Ministry of the Environment. Confederación Hidrográfica del Norte.
  • Location: Lugo (Galicia). Spain.
  • Capacity: Flow: 76,500 m3/day. Population: 200,000.

Key points

Design and construction of WWTP in Lugo. The facility is composed of a water line and a sludge line.

The water line includes:

  • General bypass for maximum flow.
  • Two prefilter wells with screens.
  • Two channels equipped with rotating and disintegrating sifters.
  • Two pumping wells for the elevation of raw water.
  • Four discharge canals.
  • Four desanding-deoiling canals.
  • Six primary decanters.
  • Measurement and regulation of the flow into the biological treatment stage.
  • Biological treatment in four lines.
  • Recirculation of sludge.

The sludge line is made up of:

  • Primary sludge purge.
  • Excess sludge purge.
  • Sludge thickening process.
  • Excess sludge thickening.
  • Anaerobic digestion.
  • Storage of digested sludge.
  • Dehydration and thermal drying

Additionally, odour treatment has been provided and the facility has been equipped with a network of water services, airing network and with all the auxiliary equipment for the correct operation of the same (laboratory, workshop, maintenance equipment, etc).

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