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Development of a renewable energy system utilizing solar dish collector, multi effect desalination and supercritical CO2 brayton cycle to produce fresh water and electricity

Author

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  • Khademi, Mohammad Mahyar
  • Koohshoori, Mozhdeh Shavali
  • Kasaeian, Alibakhsh

Abstract

The increase in world population in recent decades has increased the demand for fresh water and clean energy. Approximately 3 % of the water on the planet is fresh water. In order to supply fresh water in arid regions, many researchers have turned to solar desalination systems. Multigenerational systems based on clean energy led to increased productivity and reduced costs. The present work presents a system evaluation based on solar energy. Based on this, the above innovative system includes three main subsystems: solar collector dish, supercritical carbon dioxide Bryton cycle and multi-effect desalination. The absorbed heat from the collector dish is transferred by a heat exchanger to the supercritical Brayton cycle to generate electricity. The heat is transferred through another heat exchanger to the multi-effect desalination, which is responsible for the main task of water desalination. Aspen HYSYS software was used for this study. Finally, the results of this research show that the proposed multigenerational system is capable of producing 20.12 kg/s of fresh water, 36 kg/s of hot water and 6792 kW of electricity. Also, the highest exergy destruction rate related to the first separator and the solar collector dish is equal to 14935.46 kW and 7556 kW, respectively.

Suggested Citation

  • Khademi, Mohammad Mahyar & Koohshoori, Mozhdeh Shavali & Kasaeian, Alibakhsh, 2025. "Development of a renewable energy system utilizing solar dish collector, multi effect desalination and supercritical CO2 brayton cycle to produce fresh water and electricity," Energy, Elsevier, vol. 314(C).
    • Handle: RePEc:eee:energy:v:314:y:2025:i:c:s0360544224040635
    DOI: 10.1016/j.energy.2024.134285
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