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

多铁性银修饰锌铁氧体纳米催化剂对阿西奈特杀虫剂氧化反应的独特催化路径

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Abstract

The current study investigating the preparation and application of a Multiferroic nano-scale silver zinc ferrite substance (Ag(0.5)Zn(0.5)Fe(2)O(4) 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 Ag(0.5)Zn(0.5)Fe(2)O(4) 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 Ag(0.5)Zn(0.5)Fe(2)O(4) 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.

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