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- W2560434626 abstract "Ferrite/activated carbon (AC) composites of different formulation: Co0.5Fe2.5O4/AC, Cu0.5Fe2.5O4/AC, and Mn0.5Fe2.5O4/AC were prepared by coprecipitation and thermal treatment in nitrogen and studied as photocatalysts for oxidative degradation of Malachite Green dye in aqueous solution under UV-A light irradiation. The phase composition and magnetic behaviour of the prepared materials were established by powder X-ray diffraction analysis and Mossbauer spectroscopy. Synthesized ferrite/AC composites exhibit a superparamagnetic and collective magnetic excitation behaviour. A degradation degree of Malachite Green dye, used as model pollutant, reached 93% for Mn0.5Fe2.5O4/AC and 99% for Co0.5Fe2.5O4/AC and Cu0.5Fe2.5O4/AC composites, which shows that these materials are applicable as photocatalysts for purification of waters containing above-mentioned dye. Photocatalytic results indicate that Co0.5Fe2.5O4/AC manifested the highest photocatalytic activity. Comparison of the photocatalytic properties of the synthesized ferrite/activated carbon materials proved that the rate constants over the tested materials are increasing in the following order: 7.1×10 –3 min –1 (Mn0.5Fe2.5O4/AC) < 24.1×10 –3 min –1 (Cu0.5Fe2.5O4/AC) < 28.4×10 –3 min –1 (Co0.5Fe2.5O4/AC)." @default.
- W2560434626 created "2016-12-16" @default.
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- W2560434626 date "2015-01-01" @default.
- W2560434626 modified "2023-09-23" @default.
- W2560434626 title "Photocatalytic properties of ferrite/activated carbon composites for degradation of Malachite Green in aqueous medium" @default.
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