Journal
MATERIALS
Volume 15, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/ma15093401
Keywords
impregnated Talc; Fe3O4; Cr(VI); Alizarin Red S; magnetic nanoparticles
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Funding
- Jouf University [DSR-2021-03-0370]
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In this study, the adsorption of Cr(VI) ions and the organic dye Alizarin Red S (ARS) was investigated using magnetite talc (Fe3O4@Talc) nanocomposite. Different characterization techniques were employed to analyze the physical and chemical properties of the fabricated Fe3O4@Talc nanocomposite. The adsorption isothermic, kinetic, and thermodynamic properties were illustrated. The results showed that Fe3O4@Talc nanocomposite is a promising and stable adsorbent with good adsorption capacity and reusability potential.
In this work, the adsorption of Cr(VI) ions and the organic dye Alizarin Red S (ARS) was investigated using magnetite talc (Fe3O4@Talc) nanocomposite. Different characterization techniques such as scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, X-ray Diffraction (XRD), and thermogravimetric analysis (TGA) were used to demonstrate the physical and chemical properties of the fabricated Fe3O4@Talc nanocomposite. In addition, the adsorption isothermic, kinetic, and thermodynamic properties were illustrated. The results demonstrate that the investigated adsorption processes obeyed the Langmuir isotherm model for Cr(VI) and the Freundlich isotherm model for ARS dye, with a maximum adsorption capacity of 13.5 and 11.76 mg center dot g(-1), respectively, controlled by pseudo second-order kinetics. Regeneration and reusability studies demonstrated that the prepared Fe3O4@Talc nanocomposite is a promising and stable adsorbent with considerable reusability potential.
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