Choque salino. Una fuente de energía por desarrollar.

José A. Ibáñez Mengual, Ramón P. Valerdi Pérez, José A. García Gamuz

Resumen


A large source of energy exists where there is mixing between waters at different salinities. This flux of energy is related to the osmotic pressure difference and it is lost in the free mixing of the fresh waters and the sea water at the mouth of the rivers being equivalent to a waterfall 240 meters high. An open osmotic converter could operate at 25% efficiency. Alternatively, two techniques, pressure-retarded osmosis and reverse electrodialysis can be used to generate electric power from the saline shock. The viability and the operating cost for both pro-cedures are studied.

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