Pressure Retarded Osmosis
An illustration of Statkraft's power generating method using Pressure Retarded Osmosis (PRO)
Positive and negative ions passing through ion-permeable membranes in the proposed Blue Energy method proposed by Westus.
Statkraft's Pressure Retarded Osmosis (PRO) method
Where the river meets the sea - salt and freshwater could be used like a giant battery (Image of Amazon Estuary via NASA)
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