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Remediation of arsenic and fluoride from groundwater: a critical review on bioadsorption, mechanism, future application, and challenges for water purification

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Abstract

In the past few decades, the excessive and inadequate use of technological advances has led to groundwater contamination, mainly caused by organic and inorganic pollutants, which are highly harmful to human health, agriculture, water bodies, and aquaculture. Among all toxic pollutants, As and F play a significant role in groundwater contamination due to their excellent reactivity with other elements. To mitigate the prevalence of arsenic and fluoride within the water system, the use of biochar gives an attractive strategy for removing them mainly because of the substantial surface area, pore size, pH, aromatic structure, and functional groups inherent in biochar, which are primarily dependent upon its raw material and pyrolysis temperature. Researcher develops different methods like physiochemical and electrochemical for treating arsenic and fluoride contamination. Among all removal methods, bioadsorption using agricultural waste residues shows effective/feasible removal of As and F due to its low cost, ecofriendly nature, readily available, and efficient reuse compared with several other harmful synthetic materials that demand costly design specifications. This study discusses current developments in bioadsorption methods for As and F that use agricultural-based biomaterials and describes the prevailing state of arsenic and fluoride removal strategies that use biomaterials precisely.

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All authors contributed to the conception and design of the study. Shubhangi Umare: literature survey, judicial literature study, and written original draft. Ajay K. Thawait: review the article and editing. Sumit H. Dhawane: conceptualization, formal analysis, editing, supervision.

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Correspondence to Sumit H. Dhawane.

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Responsible Editor: Xianliang Yi

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Umare, S., Thawait, A.K. & Dhawane, S.H. Remediation of arsenic and fluoride from groundwater: a critical review on bioadsorption, mechanism, future application, and challenges for water purification. Environ Sci Pollut Res (2024). https://doi.org/10.1007/s11356-024-33679-y

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  • DOI: https://doi.org/10.1007/s11356-024-33679-y

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