Hybrid technologies: The future of energy efficient desalination – A review

We provide a critical review of hybrid desalination systems, and methods used to optimize such systems with respect to these objectives

Farah Ejaz Ahmed; Raed Hashaikeh; Nidal Hilal

2020

Scholarcy highlights

  • Further reduction in energy consumption is an attractive prospect for both well-established technologies such as reverse osmosis and electrodialysis, and for emerging desalination technologies struggling to reach commercialization
  • One way of reducing energy consumption and meeting target water demands is by playing on the strengths of two or more processes through hybridization
  • We provide a critical review of hybrid desalination systems, and methods used to optimize such systems with respect to these objectives
  • Providing a brief overview of current status and energy consumption in both mature and developing desalination processes, we review the advantages and challenges of hybridization of these processes to overcome limitations of standalone systems
  • Coupling of electrodialysis with reverse osmosis helps overcome the low recovery of reverse osmosis systems
  • We review the applicability of salinity gradient power technologies with desalination systems and identify gaps that need to be addressed for effective upscaling and implementation of such hybrid systems

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