The modernization of the WWTP of Riells i Viabrea in 2004 is based on replacing the old treatment plant with membrane filtration technology in the biological treatment, with the aim of providing the plant with a high performance and flexible treatment system for effective sanitation, which can be adapted to the treatment needs of the contaminants from domestic and industrial discharges.

Type of treatment

Biological MBR activated sludge.

Main features

Location: Catalonia, Spain

Equivalent population: 8.640

Capacity: 2.160 m3/day

Construction: 1993
Retrofitting: 2004