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Thermal and salinity gradient systems

Thermal and salinity gradient systems

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The book chapter presents thermal and salinity gradient energy (SGE) systems. First, a description of both energy resources and the determination of energy potential is given. Then, power plants that convert the thermal gradient potential as well as the salinity gradient are discussed. Environmental and economic aspects associated with these technologies are also considered.

Chapter Contents:

  • 4.1 Energy resources
  • 4.1.1 Oceanic thermal gradients
  • 4.1.1.1 Optimal characteristics
  • 4.1.1.2 Estimation of energy potential
  • 4.1.2 Salinity gradients
  • 4.1.2.1 Optimal characteristics
  • 4.1.2.2 Energy potential
  • 4.2 Ocean thermal energy conversion (OTEC) plants
  • 4.2.1 Open-cycle plants
  • 4.2.2 Closed-cycle plants
  • 4.2.3 Hybrid-cycle plants
  • 4.2.4 Feed-pump removal technique
  • 4.2.5 OTEC and solar pond
  • 4.2.6 OTEC systems characteristics
  • 4.2.7 Environmental impact
  • 4.2.8 Economic aspects
  • 4.3 Salinity gradient energy (SGE) plants
  • 4.3.1 Pressure-retarded osmosis membrane (PRO) plants
  • 4.3.2 Reverse electrodialysis (RED) plants
  • 4.3.3 Electric Double-Layer Capacitors plants
  • 4.3.4 Faradaic pseudo-capacitor plants
  • 4.3.5 SGE systems characteristics
  • 4.3.6 Environmental impact
  • 4.3.7 Economic aspects
  • Acknowledgments
  • List of acronyms
  • References

Inspec keywords: salinity (geophysical); power generation economics; ocean thermal energy conversion; environmental factors

Other keywords: salinity gradient; environmental aspects; economic aspects; thermal gradient energy systems; energy potential; energy resources; salinity gradient energy; thermal gradient potential; power plants

Subjects: Power system management, operation and economics; Thermal energy conversion (heat engines and heat pumps); Energy and environmental policy, economics and legislation; Other topics in energy resources; Energy resources; Energy extraction from the oceans; Environmental factors; Geothermal energy

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