SYNTHESIS AND CHARACTERIZATION OF ZrO₂@Fe₃O₄@TSC MAGNETIC NANOCOMPOSITE FOR SUSTAINABLE REMEDIATION OF HEAVY METAL FROM CONTAMINATED WATER
DOI:
https://doi.org/10.15421/jchemtech.v34i1.342140Keywords:
Wastewater treatment, ZrO2@Fe3O4@TSC nanocomposite, TEM, VSM, XRD and FTIR.Abstract
This study presents the synthesis and characterization of a novel adsorbent composed of iron oxide and zirconium oxide magnetic nanoparticles (ZrO2@Fe3O4 MNPs) functionalized with trisodium citrate (TSC). The structural and physicochemical properties of the ZrO2@Fe3O4@TSC nanocomposite were systematically investigated using Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), transmission electron microscopy (TEM) and vibrating sample magnetometry (VSM). The characterization results established that the ZrO2@Fe3O4@TSC nanocomposite shows a spherical morphology with particle sizes ranging from 16 to 20 nm. Magnetic measurements indicated that the nanocomposite possesses ferromagnetic behavior with a saturation magnetization value of 7.71 emu/g. The adsorption narration of the ZrO2@Fe3O4@TSC nanocomposite was evaluated for the removal of Cd (II) ions from aqueous solutions. The adsorption kinetics closely followed the pseudo-second-order model, demonstrating chemisorption as the leading process. The adsorption isotherm data were well described by the Langmuir isotherm model, suggesting monolayer adsorption on a homogenous surface. The maximum adsorption capacity was determined to be 50.26 mg/g at 303 K. These findings highlight the potential of ZrO2@Fe3O4@TSC nanocomposites as efficient adsorbents for heavy metal remediation in wastewater treatment applications.
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