Application of bio-based electrodes in emerging capacitive deionization technology for desalination and wastewater treatment

Enas Taha Sayed, A.G. Olabi*, Nabila Shehata, Muaz Al Radi, Omar Majdy Muhaisen, Cristina Rodriguez, Muataz Ali Atieh*, Mohammad Ali Abdelkareem*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Capacitive deionization (CDI) is an emerging, efficient, cheap, and environmentally friendly water desalination technology. One of the most critical components of the CDI system is the electrodes; thus, improving their performance will promote its commercial application. The cost, efficiency, and availability of the electrode materials are the main challenges facing the application of the CDI in water desalination and wastewater treatment compared to other technologies. To reduce the cost of the electrodes, carbon materials derived from biomass and general wastes are being considered. A detailed review of the application of bio-based derived electrodes in CDI desalination and wastewater treatment is presented. A comparison between these novel materials and conventional carbon nanomaterials is discussed in terms of resource availability, ease of manufacture, cost, material specifications, and performance. Finally, future research recommendations are introduced to enhance this technology’s feasibility and performance.
Original languageEnglish
Article number102030
Number of pages22
JournalAin Shams Engineering Journal
Early online date28 Oct 2022
DOIs
Publication statusE-pub ahead of print - 28 Oct 2022

Keywords

  • capacitive deionization (CDI)
  • bio-based electrodes
  • water desalination
  • wastewater treatment

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