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A critical review on adsorption and recovery of fluoride from wastewater by metal-based adsorbents

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Abstract

Rapid industrialization is deteriorating water quality, and fluoride pollution in water is one of the most serious environmental pollution problems. Adsorption technology is an efficient and selective process for removing fluoride from aqueous solutions using adsorbents. Metal-based adsorbents synergize the advantages of fast adsorption, high adsorption capacity, and excellent selectivity to effectively remove fluoride from water bodies, promising to satisfy environmental sustainability requirements. This paper reviews the metal-based adsorbents: iron-based, aluminum-based, lanthanum-based, cerium-based, titanium-based, zirconium-based, and multi-metal composite adsorbents, primarily focusing on the adsorption conditions and fluoride removal capacities and discusses prospects and challenges in the synthesis and application of metal-based adsorbents. This paper aims to stimulate new thinking and innovation in developing the next generation of sustainable adsorbents.

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Funding

This work was financially supported by National Key Research & Development Project of China (2020YFC1807602).

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Authors

Contributions

Chenquan Ni: formal analysis, writing original draft, writing—review.

Chang Liu: formal analysis, writing—review.

Yu Xie: writing original draft.

Weiqi Xie: conceptualization, writing.

Zhiguo He: conceptualization, supervision, writing—review and editing.

Hui Zhong: conceptualization, writing—review and editing.

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Correspondence to Zhiguo He.

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The final version of the manuscript was reviewed and approved by all authors.

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The authors declare no competing interests.

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Responsible Editor: Tito Roberto Cadaval Jr

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Ni, C., Liu, C., Xie, Y. et al. A critical review on adsorption and recovery of fluoride from wastewater by metal-based adsorbents. Environ Sci Pollut Res 29, 82740–82761 (2022). https://doi.org/10.1007/s11356-022-23416-8

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  • DOI: https://doi.org/10.1007/s11356-022-23416-8

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