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- W4282975312 abstract "• Iron magnetic catalysts were synthesized by different routes. • Catalysts were characterized by XRD, FTIR, DLS, EDX, BET, Optical microscopy, SEM and TEM. • Adsorption and Fenton presented a synergistic effect. • The synthetic route direct affect the removal mechanism. • Regeneration provided 8 reuse cycles. In this study, magnetic iron oxide catalysts were synthesized by two routes, coprecipitation and hydrothermal. The catalysts were characterized by XRD, FTIR, DLS, EDX, N 2 at 77 K sorption analysis, Optical microscopy, SEM and TEM. The catalytic capacity was evaluated in the reaction of heterogeneous Fenton and Photo Fenton to degrade Reactive Blue 19, varying pH and H 2 O 2 concentration. In addition, the adsorption contribution, leaching and the reuse of the catalysts were evaluated. The use of magnetite nanoparticles in the Fenton reaction showed that the efficiency depending on the synthetic method, since its performance is directly related to its structural and morphological properties. The catalyst from co-precipitation showed lower particle diameter and better efficiency in the effluent discoloration. However, for the two catalysts significant interference of adsorption process was observed. The UV radiation improved the efficiency, mainly with the catalyst obtained hydrothermally. The catalyst presented maximum removal percentage around 80%, for the best produced by co-precipitation route, also no leaching of the iron was observed. Regeneration studies provided possibility of 8 reuse cycles without significant efficiency reduction, demonstrating a promising alternative to solve sludge problem after Fenton applications." @default.
- W4282975312 created "2022-06-17" @default.
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- W4282975312 date "2022-11-01" @default.
- W4282975312 modified "2023-10-14" @default.
- W4282975312 title "Reusable iron magnetic catalyst for organic pollutant removal by Adsorption, Fenton and Photo Fenton process" @default.
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- W4282975312 doi "https://doi.org/10.1016/j.jphotochem.2022.114089" @default.
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