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Review
. 2024 Feb;31(8):12207-12228.
doi: 10.1007/s11356-024-31882-5. Epub 2024 Jan 16.

Recent advances in boron removal in aqueous media. An approach to the adsorption process and process optimization

Jéssica Carolaine Vieira de Azevedo  1 , Ana Paula Fonseca Maia de Urzedo  1 , Patrícia da Luz Mesquita  1 , Roberto Guimarães da Cunha Filho  1 , Eduardo Prado Baston  1 , Gisella Lamas Samanamud  2 , Luzia Lima Rezende Naves  1 , Fabiano Luiz Naves  3
Affiliations
Review

Recent advances in boron removal in aqueous media. An approach to the adsorption process and process optimization

Jéssica Carolaine Vieira de Azevedo et al. Environ Sci Pollut Res Int. 2024 Feb.

Abstract

The numerous oxidation states of the element boron bring great challenges in containing its contamination in receptor bodies. This scenario increases significantly due to the widespread use of boron compounds in various industries in recent years. For this reason, the removal of this contaminant is receiving worldwide attention. Although adsorption is a promising method in boron removal, finding suitable adsorbents, that is, those with high efficiency, and feasible remains a constant challenge. Hence, this review presents the boron removal methods in comparison to costs of adsorbents, reaction mechanisms, economic viability, continuous bed application, and regeneration capacity. In addition, the approach of multivariate algorithms in the solution of multiobjective problems can enable the optimized conditions of dosage of adsorbents and coagulants, pH, and initial concentration of boron. Therefore, this review sought to comprehensively and critically demonstrate strategic issues that may guide the choice of method and adsorbent or coagulant material in future research for bench and industrial scale boron removal.

Keywords: Adsorption process; Boron removal; Multiobjective optimization.

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