Degradation of Methylene Blue by Ozone Oxidation Catalyzed by the Magnetic MnFe₂O₄@Co₃S₄ Nanocomposite

Langmuir, Год журнала: 2025, Номер unknown

Опубликована: Янв. 24, 2025

In this study, the MnFe2O4@Co3S4 magnetic nanocomposite was prepared by a two-step hydrothermal method and used to catalyze ozone oxidation degradation of methylene blue. It characterized XRD, EDS, SEM, FT-IR, XPS. The results showed that introduction Co3S4 made MnFe2O4 grow uniformly on nanosheets, which effectively prevented agglomeration MnFe2O4. Moreover, provided active sites Mn3+/Mn2+ Fe3+/Fe2+ cycles for process. Not only did provide site (Co2+/Co3+) process but also its derived S2–/S22– accelerated electron transfer rate surface material, thus improving efficiency catalytic When molar ratio 6:3 (MnFe2O4@Co3S4-3), blue best, reached 93.55% in 12 min. reactive oxygen species ozonation MB were 1O2, O2.–, ·OH. is an efficient stable O3 activator, maintains high activity low metal ion leaching after five cycles, indicating it has good application prospect catalyzing degrade organic pollutants.

Язык: Английский

Stability optimization of iron-based catalysts: Application of Cr-enriched alloy steel catalyst in ozonation pharmaceutical wastewater

Separation and Purification Technology, Год журнала: 2024, Номер 354, С. 129007 - 129007

Опубликована: Авг. 3, 2024

Язык: Английский

Research and perspective of heterogeneous catalytic oxidation by ozone in the removal of pollutants from industrial wastewater: A review

Journal of Industrial and Engineering Chemistry, Год журнала: 2024, Номер unknown

Опубликована: Дек. 1, 2024

Язык: Английский