Performance of a 3-stage regenerative desalination system based on humidification-dehumidification process

Huifang Kang*, Weining Luo, Hongfei Zheng, Zhiyi Yu, Peng Cheng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

This paper presents a 3-stage regenerative desalination system based on humidification-dehumidification process. The sketch of 3-stage regenerative desalination process is given. It realizes the cascade utilization of thermo energy, which decreases the temperature range of the circulation. It improves the performance of the system enormously. A mathematical model based on mass and energy balances in each component of the system is developed. The numerical model is used to investigate the performance of this kind of installation exposed to a variation of the control parameters. The fresh water production can reach 91.1 kg/h and the gained output ratio can reach 5.13 when the temperature of saline water outlet from the solar collector reaches 85°C.

Original languageEnglish
Pages (from-to)182-192
Number of pages11
JournalApplied Thermal Engineering
Volume90
DOIs
Publication statusPublished - 22 Jul 2015

Keywords

  • 3-Stage
  • Desalination
  • Humidification-dehumidification
  • Regenerative

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