Waste heat-driven desalination systems: Perspective

A.G. Olabi, Khaled Elsaid, Malek Kamal Hussien Rabaia, Ahmed A. Askalany and Mohammad Ali Abdelkareem

Energy, 2020, vol. 209, issue C

Abstract: This perspective discusses the utilization of waste heat (WH) for desalination with focus given to desalination processes that can be fully driven by WH, either directly as thermal energy, for thermally-driven desalination processes, or indirectly to other desalination processes using the appropriate WH recovery technology. The perspective focus as well on the utilization of WH for driving emerging desalination processes such as humidification dehumidification HDH, membrane distillation MD, and adsorption desalination AD. The discussion extends to the utilization of WH for conventional thermal desalination technologies such as multi-stage flash distillation MSF and multiple-effect distillation MED. The discussion follows on utilizing WH for other mechanically- and electrically-driven desalination processes such as reverse osmosis RO and electrodialysis reversal EDR and capacitive deionization CDI as well. The perspective concludes that WH represents a reliable and sustainable energy source with proven technical, economic, and environmental potentials to drive different desalination processes. The utilization of WH maximizes the energy efficiency of fuel utilization, and lowers the associated environmental impacts and carbon footprint.

Keywords: Desalination; Waste heat; Emerging desalination; Energy; Thermal desalination (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:209:y:2020:i:c:s0360544220314808

DOI: 10.1016/j.energy.2020.118373

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