From sewage water treatment to wastewater reuse. One century of Paris sewage farms history.

摘要: The irrigation fields of Paris have been used for 100 years. Their soils mainly contain heavy metals in the topmost layer. Metals come from raw sewage as well digested sludge biological treatment plants which diluted years water. Vegetables that are cultivated concentrate but their average contents, however, lower than recommended limit values. Some vegetables more specifically one type metal. Corn seeds accumulate less metal green vegetables. SIAAP keeps operating by delivering clariflocculated water with a low content new Seine Centre plant, purpose keeping some 2,000 ha zone an otherwise heavily constructed area and to prevent release soil should be interrupted. Maintaining also relieves plant then contributes preserve quality river, especially summer.