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Dopamine removal from water by advanced oxidative processes with Fe/N-doped carbon nanotubes

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A Correction to this article was published on 29 April 2023

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Abstract

Dopamine (DA) is an important neurotransmitter in the human body, and a subnormal level is associated with some neurological problems, such as Alzheimer’s and Parkinson’s diseases. Its use as medicine has progressively increased, as well as its appearance in water bodies, such as domestic or hospital effluents. Dopamine has been found to produce neurological and cardiac damage to the animals that have consumed water with its content, so the removal of dopamine from water is of utmost importance to ensure water safety. Advanced oxidative processes (AOPs) are one of the most effective technologies to eliminate hazardous and toxic compounds in wastewater. In this work, Fe-based multi-walled carbon nanotubes (MWCNTs) were synthesized by aerosol-assisted catalytic chemical vapor deposition to be applied in the AOP of DA. MWCNTs (carbon nanotubes) exhibited high catalytic activity in removing DA with 99% of elimination.By increasing 4 times the initial concentration of DA, the removal percentage of the molecule was lower than the original one, which was attributed to the DA saturation of active sites. Even so, the percentage of degradation was high (76.2%).

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Acknowledgements

EMS thanks LINAN support for SEM images. Thanks are also given to ANPCyT for the purchase of the RAMAN instrument (PME 87-PAE 3698). Thanks are also given to translator Yanina Burkett Beliz for editing the English-language manuscript

Funding

This work was supported by CONICET, MinCyT, Argentina, FIQ-UNL, INCAPE PICT 2019–02970, CAI + D 2020 50620190100148LI of Argentina, Red CYTED No 318RT0551, and CONI Project CIIC 118/2019 Guanajuato University.

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Anai Laurel León: substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work.

Nicolás Alejandro Sacco: conceptualization, methodology, formal analysis, investigation, resources, data curation, writing original draft, writing-review and editing, and visualization.

Fernanda Miranda Zoppas: formal analysis, rafting the work or revising it critically for important intellectual content.

Rosario Galindo: final approval of the version to be published.

Emilio Muñoz Sandoval: final approval of the version to be published.

Fernanda Albana Marchesini: final approval of the version to be published and agreement to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

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Correspondence to Fernanda Albana Marchesini.

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The authors declare no competing interests.

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Responsible Editor: Guilherme L. Dotto

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Leon, A.L., Sacco, N.A., Zoppas, F.M. et al. Dopamine removal from water by advanced oxidative processes with Fe/N-doped carbon nanotubes. Environ Sci Pollut Res 30, 55424–55436 (2023). https://doi.org/10.1007/s11356-023-26224-w

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  • DOI: https://doi.org/10.1007/s11356-023-26224-w

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