Acids from fruits generate photoactive Fe-complexes, enhancing solar disinfection of water (SODIS): A systematic study of the novel “fruto-Fenton” process, effective over a wide pH range (4 – 9).

Farinelli, Giulio; Giannakis, Stefanos; Schaub, Aline; Kohantorabi, Mona; Pulgarin, Cesar

doi:10.1016/j.watres.2024.121518

Water Research

2024

DOI: 10.1016/j.watres.2024.121518

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Acids from fruits generate photoactive Fe-complexes, enhancing solar disinfection of water (SODIS): A systematic study of the novel “fruto-Fenton” process, effective over a wide pH range (4 – 9).

Giulio Farinelli,

Stefanos Giannakis,

Aline Schaub

et al.

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Cited by 2 publications

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A Zwitterionic Hydrogel‐Based Heterogeneous Fenton Catalyst for Water Treatment

Gokhale,

Chen,

et al. 2024

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Persistent organic pollutants (POPs), including xenoestrogens and polyfluoroalkyl substances (PFAS), demand urgent global intervention. Fenton oxidation, catalyzed by iron ions, offers a cost‐effective means to degrade POPs. However, numerous challenges like acid dependency, catalyst loss, and toxic waste generation hinder practical application. Efforts to create long‐lasting heterogeneous Fenton catalysts, capable of simultaneously eliminating acid requirements, sustaining rapid kinetics, and retaining iron efficiently, have been unsuccessful. This study introduces an innovative heterogeneous zwitterionic hydrogel‐based Fenton catalyst, surmounting these challenges in a cost‐effective and scalable manner. The hydrogel, hosting individually complexed iron ions in a porous scaffold, exhibits substantial effective surface area and kinetics akin to homogeneous Fenton reactions. Complexed ions within the hydrogel can initiate Fenton degradation at neutral pH, eliminating acid additions. Simultaneously, the zwitterionic hydrogel scaffold, chosen for its resistance to Fenton oxidation, forms strong bonds with iron ions, enabling prolonged reuse. Diverging from existing designs, the catalyst proves compatible with UV‐Fenton processes and achieves rapid self‐regeneration during operation, offering a promising solution for the efficient and scalable degradation of POPs. The study underscores the efficacy of the approach by demonstrating the swift degradation of three significant contaminants—xenoestrogens, pesticides, and PFAS—across multiple cycles at trace concentrations.

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A Zwitterionic Hydrogel‐Based Heterogeneous Fenton Catalyst for Water Treatment

Gokhale,

Chen,

et al. 2024

Small

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Sono-photo-Fenton action is improved by the addition of Passiflora edulis f. flavicarpa Degener (yellow passion fruit)

Celis-Llamoca,

Serna-Galvis,

Torres-Palma

et al. 2024

Environ Sci Pollut Res

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Acids from fruits generate photoactive Fe-complexes, enhancing solar disinfection of water (SODIS): A systematic study of the novel “fruto-Fenton” process, effective over a wide pH range (4 – 9).

Cited by 2 publications

References 58 publications

A Zwitterionic Hydrogel‐Based Heterogeneous Fenton Catalyst for Water Treatment

A Zwitterionic Hydrogel‐Based Heterogeneous Fenton Catalyst for Water Treatment

Sono-photo-Fenton action is improved by the addition of Passiflora edulis f. flavicarpa Degener (yellow passion fruit)

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