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. 2024 Nov 7;14(1):27078.
doi: 10.1038/s41598-024-78678-8.

Distinct pathway of multiferroic silver-decorated zinc ferrite nanocatalyst performance for Acinate insecticide oxidation

Hossam A Nabwey  1   2 , Maha A Tony  3   4
Affiliations

Distinct pathway of multiferroic silver-decorated zinc ferrite nanocatalyst performance for Acinate insecticide oxidation

Hossam A Nabwey et al. Sci Rep. .

Abstract

The current study investigating the preparation and application of a Multiferroic nano-scale silver zinc ferrite substance (Ag0.5Zn0.5Fe2O4 nanocatalyst) has been established. Multiferroic silver zinc ferrite substance is prepared by co-precipitation technique as hybridized composite. This synethsized nanoparticles was characterized via X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) as well as Scanning Electron Miscospopy (SEM). Such nanoparticles are used as a sustainable recyclable photo-Fenton's reagent precursor for treating insecticide in wastewater. The results revealed a high Acinate oxidation rate reached to 97% removal within 40 min of irradiance time. To increase the performance, the operating variables are optimized. pH 3.0 and 40 and 400 mg/L for Ag0.5Zn0.5Fe2O4 and hydrogen peroxide, respectively are identified as the optimum values. Also, kinetics and thermodynamic are evaluated and the reaction is subsequent the first-order kinetics model and exothermic and non-spontaneous in nature with a low energy barrier of 35.02 kJ/mol. The advantage of Ag0.5Zn0.5Fe2O4 catalyst is its sustainability since it recovered for multiple reuse with a high activity reached to 80% removal rate after six cyclic use compared to 97% of fresh catalyst use.

Keywords: Fenton reaction; Insecticide; Nanomaterial; Oxidation; Photocatalyst; Wastewater.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Graphical design of the treatment steps.
Fig. 2
Fig. 2
XRD pattern of Ag0.5Zn0.5Fe2O4 nanoparticles.
Fig. 3
Fig. 3
SEM images of the Ag0.5Zn0.5Fe2O4 nanoparticles composite material.
Fig. 4
Fig. 4
TEM images at different magnification of the Ag0.5Zn0.5Fe2O4 composite substance.
Fig. 5
Fig. 5
Effect of reaction time on multiferroic-Fenton system and comapred with other oxidation systems.
Fig. 6
Fig. 6
The effect of Acinate loading on the multiferroic-Fenton oxidation (Ag0.5Zn0.5Fe2O4 40 mg/L, H2O2 400 mg/L, pH 3.0).
Fig. 7
Fig. 7
Effect of hydrogen peroxide loading on multiferroic-Fenton oxidation based oxidative system (Ag0.5Zn0.5Fe2O4 40 mg/L, pH 3.0).
Fig. 8
Fig. 8
Effect of catalyst loading on multiferroic-Fenton based oxidative system (H2O2 400 mg/L, pH 3.0).
Fig. 9
Fig. 9
Effect of solution pH on Multiferroic-Fenotn based oxidative system (Ag0.5Zn0.5Fe2O4 40 mg/L and H2O2 400 mg/L).
Fig. 10
Fig. 10
Effect of temperature on multiferroic-Fenton based oxidative system (Ag0.5Zn0.5Fe2O4 40 mg/L and H2O2 400 mg/L and pH 3.0).
Fig. 11
Fig. 11
Reusability of Multiferroic nanocatalyst for successive cycles.
See this image and copyright information in PMC

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