Sant Feliu de Llobregat (Extension and Tertiary)

This major extension provided the WWTP with nutrients removal system that reduces the risk of eutrophication of the river Llobregat and the coast.

A tertiary treatment system was also installed using filter and UV technology in order to reuse part of the water and increase the effectiveness of the water cycle management in the area.

Type of treatment

Biological treatment of activated sludge with elimination of N.

Main features

Location: Barcelona, Spain

Equivalent population: 374.000

Capacity: 64.000 m3/day

Year: 2010