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Photocatalytic removal of parabens and halogenated products in wastewater: a review

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Abstract

Personal care products such as soaps, tooth paste and shampoo often contain pollutants such as parabens, which refer to the esters of parahydroxylbenzoic acid, and end up contaminating waters. Parabens react with halogens to produce compounds that are often more toxic and persistent. Here we review properties, toxicity, analysis and remediation of parabens and halogenated parabens, with focus on photocatalysis using titanium oxide, graphene oxide and graphitic carbon nitride.

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Acknowledgements

The authors gratefully acknowledge the North-West University and the National Research Foundation, South Africa, for providing financial assistance (Grants Ref: UID109333 and UID 116338).

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Correspondence to Damian C. Onwudiwe.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Ajiboye, T.O., Oyewo, O.A. & Onwudiwe, D.C. Photocatalytic removal of parabens and halogenated products in wastewater: a review. Environ Chem Lett 19, 3789–3819 (2021). https://doi.org/10.1007/s10311-021-01263-2

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  • DOI: https://doi.org/10.1007/s10311-021-01263-2

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