Cost analysis and performance investigation of solar-powered desalination system utilizing modified sodium polyacrylate adsorbent material

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32 Scopus citations

Abstract

Seawater has been desalinated using various processes at different techniques, most of which depend on fossil fuels. On the contrary, there is a need for environmentally benign desalination systems. Adsorption desalination system (ADS) is one of these systems that employ eco-friendly materials to reduce environmental pollution and global warming. This paper examines the performance metrics of promising materials used in ADS to lower desalinated water prices. This research uses sodium polyacrylate (SP), special SP/(NH4)2CO3 activated materials, and SP/CaCl2 composite to theoretically examine ADS's performance and cost analysis. Also, ADS performance with and without heat recovery (HR) is compared. Using tools from MATLAB and TRNSYS, the model is carried out over a year using live weather data from hot regions. Results show that the SP/CaCl2 composite has a relatively high specific daily water production (SDWP) of 15 m3/ton with COP = 0.67. The SDWP can be increased up to 45 m3/ton if heat recovery is used in the system. The cost of desalinated water is estimated at 3.8 $/m3 using Solar energy and 0.63 $/m3 using waste heat evaluated for a system with HR.

Original languageEnglish
Article number100421
JournalEnergy Conversion and Management: X
Volume20
DOIs
StatePublished - Oct 2023
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2023 The Authors

Keywords

  • Adsorption
  • Cost analysis
  • Desalination
  • Sodium polyacrylate
  • Solar energy

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

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