Metal Removal Using Fe3O4-Chitosan Nanoparticles for Environmental Applications
DOI:
https://doi.org/10.21577/1984-6835.20230053Resumo
Environmental contamination with toxic elements due to increasing anthropogenic activities is of concern
because of its direct effects on health and the environment. To help in mitigate this problem, in this study,
Fe3O4 and Fe3O4-chitosan nanoparticles were synthesized, characterized and used as adsorbents to remove
metal ions from wastewater samples. The nanoparticles were characterized by X-ray diffraction (XRD),
Fourier transform infrared (FTIR) spectroscopy, zeta potential, and transmission electron microscopy
(TEM), which confirm that functionalization of the chitosan on the Fe3O4 surface was efficient. Inductively
coupled plasma atomic emission spectrometry (ICP-AES) analysis determined the metal concentrations in
the wastewater samples. The metal adsorption from wastewater showed that Fe3O4-chitosan nanoparticles
had a removal percentage above 90% for the metals barium, iron, manganese, and zinc. For aluminum,
the removal percentage was about 60%.
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