Abstract
In this article, a study was presented on the adsorption activity of a new nanocomposite particle Fe3O4@1, which was synthesized by combining [Cu(HL)2]2H2[P2Mo5O23]·10H2O (1) (HL = 2-acetylpyridine semicarbazone) and Fe3O4 nanoparticles. Transmission electron microscopy and X-ray powder diffraction analyses revealed that Fe3O4@1 possessed high crystallinity with an average particle size of 19.1 nm. The adsorption activity of the as-prepared Fe3O4@1 was investigated by photometrically monitoring the removal of methylene blue, rhodamine B, safranine T, gentian violet, fuchsin basic, and methyl orange from aqueous solutions. Significantly, we could easily separate Fe3O4@1 from the reaction media by applying an external magnet. Furthermore, the recycling performance was observed using methylene blue, revealing the recyclability and high stability of Fe3O4@1. It was shown that Fe3O4@1 is a promising candidate material for adsorbing cationic dyes in aqueous media.
Highlights
With the development of human society, the discharge of a great deal of wastewater has come to pose a significant threat to the hydrographic environment and public health because of the toxicity and carcinogenicity of substances present in this material [1,2,3]
Dyes have been widely used in various industries, such as paper production, textile production, leather tanning, food technology, and hair coloring
It is estimated that more than 100,000 commercially available dyes are produced at a rate of over 7 × 108 kg every year [4]
Summary
With the development of human society, the discharge of a great deal of wastewater has come to pose a significant threat to the hydrographic environment and public health because of the toxicity and carcinogenicity of substances present in this material [1,2,3]. More than 15% of dye loss is due to incomplete depletion of dye washing operations and the dyeing process [7]. The discharge of these dyes without any treatment threatens aquatic ecosystems and human health. It is highly desirable to seek proper treatment strategies to eliminate dye residues from wastewater systems. Appropriate treatment strategies are necessary to eliminate dyes from wastewater
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