Solar powered adsorption desalination for Northern and Southern Europe

Christopher Olkis, Shihab AL-Hasni, Stefano Brandani, Salvatore Vasta, Giulio Santori

Research output: Contribution to journalArticlepeer-review

Abstract

Adsorption desalinators can be powered by solar energy to provide potable water and to mitigate increasing water stress throughout Europe. In this study, we analyse the feasibility of a solar powered adsorption desalination system design to produce drinking water at two distinct European locations, representing two extremes in terms of solar radiation. Detailed solar radiation data is used as input to an experimentally validated adsorption desalination model. The experimental validation is performed using advanced ionogel materials, as these materials show outstanding performance with regeneration temperatures as low as 25 °C. The system size requirements for the adsorption beds and solar collector area are calculated for each location and season. In Scotland, the system is viable for summer and spring, which tend to be the driest months. In Sicily, solar radiation is sufficient throughout the year and a system would require 140 kg of ionogel and 200 m2 of solar collector area to produce one cubic metre of drinking water per day.
Original languageEnglish
Article number120942
JournalEnergy
Early online date18 May 2021
DOIs
Publication statusE-pub ahead of print - 18 May 2021

Keywords

  • Solar Energy
  • Desalination
  • Low grade heat
  • Ionogel
  • Ionic liquids
  • Sorption
  • adsorption

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