A critical review of ferrate(VI)-based remediation of soil and groundwater

Prabhat Kumar Rai, Jechan Lee, Suresh Kumar Kailasa, Eilhann E. Kwon, Yiu Fai Tsang, Yong Sik Ok, Ki Hyun Kim

Research output: Contribution to journalReview article

45 Citations (Scopus)

Abstract

Over the past few decades, diverse chemicals and materials such as mono- and bimetallic nanoparticles, metal oxides, and zeolites have been used for soil and groundwater remediation. Ferrate (FeVIO4 2-) has been widely employed due to its high-valent iron (VI) oxo compound with high oxidation/reduction potentials. Ferrate has received attention for wide environmental applications including water purification and sewage sludge treatment. Ferrate provides great potential for diverse environmental applications without any environmental problems. Therefore, this paper provides comprehensive information on the recent progress on the use of (FeVIO4 2-) as a green material for use in sustainable treatment processes, especially for soil and water remediation. We reviewed diverse synthesis recipes for ferrates (FeVIO4 2-) and their associated physicochemical properties as oxidants, coagulants, and disinfectants for the elimination of a diverse range of chemical and biological species from water/wastewater samples. A summary of the eco-sustainable performance of ferrate(VI) in water remediation is also provided and the future of ferrate(VI) is discussed in this review.

Original languageEnglish
Pages (from-to)420-448
Number of pages29
JournalEnvironmental Research
Volume160
DOIs
Publication statusPublished - 2018 Jan 1
Externally publishedYes

Keywords

  • Disinfection
  • Environmental applications
  • Ferrate
  • Nanoparticles
  • Oxidant
  • Water remediation

ASJC Scopus subject areas

  • Biochemistry
  • Environmental Science(all)

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  • Cite this

    Rai, P. K., Lee, J., Kailasa, S. K., Kwon, E. E., Tsang, Y. F., Ok, Y. S., & Kim, K. H. (2018). A critical review of ferrate(VI)-based remediation of soil and groundwater. Environmental Research, 160, 420-448. https://doi.org/10.1016/j.envres.2017.10.016