Reverse Electrodialysis
Reverse electrodialysis (RED) is the salinity gradient energy derived from the difference in the salt content between river water and saltwater. At the Ben-Gurion University of the Negev in 1977, Professor Sidney Loeb developed a way to use the energy generated by this process using a heat engine. —U.S. Patent US4171409. In reverse electrodialysis, salt solution and fresh water are passed through a stack of alternating cation and anion exchange membranes. Each membrane experiences a voltage as a result of the chemical potential difference between salt and fresh water; the system's overall potential is the sum of these voltages. The technique relies on a difference in ion concentration rather than an electric field, which has consequences.
Committee Members
Stanislaw Dzwigaj
Sorbonne University, France
Anne M Gaffney
University of South Carolina, United States
Victor Cerda
University of the Balearic Island, Spain
Marta I Litter
Sapienza University of Rome, Italy CCT 2026 Speakers
Dae Dong Sung
Korea University Sejong Campus, Korea, Republic of
Enrico Paris
CREA-IT & DIAEE, Italy
Collin G Joseph
University Malaysia Sabah, Malaysia
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