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Article Abstract
In this work, the adsorption of Cr(VI) ions and the organic dye Alizarin Red S (ARS) was investigated using magnetite talc (FeO@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 FeO@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·g, respectively, controlled by pseudo second-order kinetics. Regeneration and reusability studies demonstrated that the prepared FeO@Talc nanocomposite is a promising and stable adsorbent with considerable reusability potential.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9105966 | PMC |
| http://dx.doi.org/10.3390/ma15093401 | DOI Listing |
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