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Performance study of a new dual condenser heat pump driven humidification and dehumidification desalination system.

Author(s) : YANG W., GAO Y.

Type of article: IJR article

Summary

Conventional two-stage humidification and dehumidification desalination systems usually use a sub-cooler as the initial heating source, limiting the heating capacity. Thus, this paper uses ejectors to propose a dual condenser heat pump driven humidification-dehumidification desalination (DCHP-HDH) system. The system uses dual condensers as a drive heat source to indirectly increase the heating and humidifying capacity of the humidifier. Makes the humid air coming out of the humidifier have a higher humidity ratio, and dual dehumidifiers are used to fully process this high-humidity ratio humid air. The performance of the system in this paper was evaluated using thermodynamic and economic analyses. The simulation results show that the DCHP-HDH system is capable of obtaining a maximum Gained Output Ratio (GOR) of 9.234, a maximum freshwater production of 49.88 kg/h, and a maximum Recovery Ratio (RR) of 5.542%, at which time the system's freshwater production cost is 0.0127 $/L. In addition, higher evaporation temperatures and lower input seawater temperatures result in systems with better energy efficiency and freshwater production performance.

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Pages: 12 p.

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Details

  • Original title: Performance study of a new dual condenser heat pump driven humidification and dehumidification desalination system.
  • Record ID : 30034606
  • Languages: English
  • Subject: Regulation
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 184
  • Publication date: 2026/04
  • DOI: http://dx.doi.org/https://doi.org/10.1016/j.ijrefrig.2026.01.021

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