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PRESSURE RETARDED OSMOSIS [1 record]

Record 1 2023-10-05

English

Subject field(s)
  • Energy Transformation
  • Ocean Energy
CONT

Pressure retarded osmosis (PRO) uses the selective diffusion of water across a membrane in order to pressurize seawater. Freshwater and seawater are placed on either side of a membrane, and the seawater side is pressurized. As the seawater side increases in pressure and decreases in salinity, part of the water is discharged through a turbine while the rest is put in a pressure exchanger to pressurize the incoming seawater ...

French

Domaine(s)
  • Transformation de l'énergie
  • Énergie océanique
CONT

Pour récupérer l'énergie bleue, deux technologies existent déjà. Elles se fondent sur une membrane placée entre deux contenants de salinité différente. La première, l'osmose à pression retardée […], fonctionne en laissant l'eau douce d'un des contenants traverser la membrane semi-perméable qui la sépare de l'eau salée de l'autre contenant pour diminuer la concentration en sel de celui-ci. L'augmentation de la pression dans le contenant d'eau salée permet de produire de l'énergie mécanique en actionnant une turbine.

Spanish

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