Silica based ZnFe2O4 nanocomposite as a novel photocatalyst for basic fuchsin dye degradation
Mohamed M. Desouky, Mamdouh El-Sayed, Ahmed M. El-Khawaga
TL;DR
A new silica-based ZnFe2O4 nanocomposite was developed to efficiently degrade basic fuchsin dye under UV light, showing promise for environmental cleanup.
Contribution
The novel ZnFe2O4/SiO2 nanocomposite demonstrates high photocatalytic efficiency for dye degradation.
Findings
The nanocomposite removed 95% of basic fuchsin dye at pH 11 with 0.01 g in 150 minutes.
The degradation process follows a pseudo-first-order kinetic model.
The composite shows strong potential for industrial wastewater treatment.
Abstract
Growing environmental problems and the threat of an energy crisis have created an urgent need for affordable and efficient photocatalysts that can work under UV light to remove pollutants. In this work, Zinc ferrite (ZnFe2O4) nanoparticles were prepared by a chemical co-precipitation method, while SiO2 nanoparticles were produced through dry mechanical milling. These materials were then combined in a 1:1 molar ratio using the same dry mechanical method to form a doped ZnFe2O4/SiO2 nanocomposite. The structure and composition of the composite were analyzed using high-resolution transmission electron microscopy, scanning electron microscopy, and energy-dispersive X-ray spectroscopy. The photocatalytic and adsorption performance of the ZnFe2O4/SiO2 nanocomposite was tested under different conditions, including pH, initial dye concentration, and amount of nanocomposite used. The results…
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Taxonomy
TopicsMagnetic Properties and Synthesis of Ferrites · Pigment Synthesis and Properties · Advanced Photocatalysis Techniques