The size and types of processes used in the WWTP of Guillarei makes it one of Cadagua’s most important projects.

The plant treats the waste waters of the region of A Louriña, in particular the municipalities of Salceda de Caselas, Tui, Porriño and Mos. It can treat up to 40,000 m3/d and stands out for its complete treatment line that includes anaerobic digestion of the sludge, energy recovery via cogeneration with a biogas motor of 330 kWe and a low temperature range thermal drying with a drying capacity of up to 9,000 tons of wet sludge a year.

Type of treatment

Primary, Primary Settling, Biological activated sludge, UV Disinfection, Anaerobic Digestion, Thermal Drying, Cogeneration.

Main features

Location: Pontevedra, Spain

Equivalent population: 160.000

Capacity: 40.000 m3/day

Year: 2006