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June 17, 2026Water CycleOpen Access

Capacitive deionization for anion removal in water purification: mechanisms, applications, and prospects

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Authors

ZGZhuling GuoLHLei HuangJYJia Yan

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Overview

Review summarizes advancements in capacitive deionization for anion removal, highlighting techniques and challenges.

Key Points

  • The aim is to review advancements in capacitive deionization (CDI) technology specifically for the removal of anions from water.
  • Systematic review of electrode materials such as carbon-based materials and transition metal compounds.
  • Comparative analysis of anion removal performance and associated charge-storage mechanisms.
  • Discussion of optimization strategies and challenges for large-scale CDI applications.
  • CDI technologies demonstrate high selectivity and operational stability for anion removal.
  • Challenges like poor long-term electrode stability and low selective removal capacity were identified.
  • Addressing these challenges is critical for advancing CDI toward practical water treatment applications.

Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/6a323b8cd50b63ecad20618bhttps://doi.org/10.1016/j.watcyc.2026.06.001
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