2014•RSC AdvancesOpen access

Potential of brackish water and brine for energy generation by salinity gradient power-reverse electrodialysis (SGP-RE)

Ramato Ashu Tufa, Efrem Curcio, Willem van Baak, J.A. Veerman, Simon Grasman, Enrica Fontananova, Gianluca Di Profio

Abstract

Salinity Gradient Power-Reverse Electrodialysis (SGP-RE), tested on brackish water/solar pond brine, resulted in maximum power density of 1.13 W m −2 cell pair, 63% less than that of pure NaCl solutions with comparable salinity.

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Key concepts: Reversed electrodialysis, Brackish water, Osmotic power, Salinity, Brine, Electrodialysis, Power density, Seawater