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
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Stanislaw Dzwigaj

Stanislaw Dzwigaj

Sorbonne University, France
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Anne M Gaffney

Anne M Gaffney

University of South Carolina, United States
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Marta I Litter

Marta I Litter

Sapienza University of Rome, Italy
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Dai Yeun Jeong

Dai Yeun Jeong

Jeju National University, Korea, Republic of
CCT 2026 Speakers
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Sergey Suchkov

Sergey Suchkov

R&D Director of the National Center for Human Photosynthesis, Mexico
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Vladislav Sadykov

Vladislav Sadykov

Novosibirsk State University, Russian Federation
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Enrico Paris

Enrico Paris

CREA-IT & DIAEE, Italy
Speaker at Catalysis, Chemical Engineering and Technology 2026 - Eleana Kordouli

Eleana Kordouli

University of Patras, Greece
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