The integrated nanofiltration system of the Méry-sur-Oise surface water treatment plant (37 mgd)☆
1997
Abstract A large-scale nanofiltration plant will produce 140,00 m 3 /day of permeate in the Paris Area from river water. The river water must undergo pretreatment before nanofiltration. The water varying temperature is also a specificity. A nanofiltration prototype since 1993 distributes water to 6,000 residents of Auvers-sur-Oise. It allowed to design a large-scale plant at minimum energy and chemicals costs. A new membrane has been developed which is able to retain pesticides (atrazine) and allow the passage of calcium and bicarbonate.
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