Baix Llobregat wastewater treatment plant - bochure in ... - Krüger A/S

BarcelonaApprox. 4 million people live in and around Barcelona andalso the majority of the Catalonian industry is located inthis area.The water supply to the town comes from groundwateras well as treated water from the river of Llobregat that isrelatively saline.Clear wateris a limited, however,vital ressource in theMediterranean area.Barcelona has taken theconsequences and nowreuses the treatedwastewater.The aquaticenvironmentin CataloniaTo reduce the use of the limitedwater resources the Spanish Ministryof the Environment has decidedto treat and reuse a part of thetown’s wastewater.The treated wastewater is applied for irrigation of thefarm land around the river as well as some of the golfcourses in the areaFurthermore, a part of the treated wastewater isreturned to the river to maintain the water level andensure an increased flowAt the same time, a part of the treated wastewater isled to a reverse osmosis plant for further treatmentand the water is pumped to the underground toavoid salt water from the sea to seep into the groundwaterresources.2