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29 March 2024
 
  » pubmed » pmid17839865

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Water Salination: A Source of Energy
Richard S Norman ;
Date 25 Oct 1974
Journal Science, 186 (4161), 350-352
AbstractThe thermodynamically reversible mixing of freshwater and seawater at constant temperature releases free energy. Salination power as a resource is comparable with hydroelectric power in magnitude; U.S. freshwater runoff could yield over 10(10) watts. The energy flux available for natural salination is equivalent to each river in the world ending at its mouth in a waterfall 225 meters high. An osmotic salination converter could possibly operate at 25 percent efficiency. This energy source is renewable and nonpolluting. Although its full utilization would destroy estuarine environments, it might be practical for specialized purposes.
Source PubMed, pmid17839865 doi: 10.1126/science.186.4161.350
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