Graphene-based materials for the adsorptive removal of uranium in aqueous solutions

Swati Verma, Ki Hyun Kim

Research output: Contribution to journalReview articlepeer-review

Abstract

Ground water contamination by radioactive elements has become a critical issue that can pose significant threats to human health. Adsorption is the most promising approach for the removal of radioactive elements owing to its simplicity, effectiveness, and easy operation. Among the plethora of functional adsorbents, graphene oxide and its derivatives are recognized for their excellent potential as adsorbent with the unique 2D structure, high surface area, and intercalated functional groups. To learn more about their practical applicability, the procedures involved in their preparation and functionalization are described with the microscopic removal mechanism by GO functionalities across varying solution pH. The performance of these adsorbents is assessed further in terms of the basic performance metrics such as partition coefficient. Overall, this article is expected to provide valuable insights into the current status of graphene-based adsorbents developed for uranium removal with a guidance for the future directions in this research field.

Original languageEnglish
Article number106944
JournalEnvironment International
Volume158
DOIs
StatePublished - 2022 Jan

Keywords

  • Adsorption
  • Graphene oxide
  • Partition coefficient
  • Uranium
  • Wastewaters

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