Аннотации:
This study investigates the sorption removal of lead(II) ions using zinc oxide (ZnO) and copper(II) oxide (CuO)
nanoparticles synthesized through a wet burning method with the aid of plant extract from Serratula
coronata L. The effect of plant collection time on polyphenol content was investigated and optimal
conditions were determined. The structural and chemical properties of the nanoparticles were studied
by scanning electron microscopy, energy dispersive analysis, X-ray phase analysis, and X-ray
photoelectron spectroscopy. A comparative analysis of lead ion sorption on the surface of synthesized
nanoparticles was conducted. The kinetic study revealed that the sorption process follows a pseudosecond-order mechanism, and the Freundlich sorption model provides a better fit for the experimental
data. ZnO and CuO nanoparticles exhibited significant sorption capacities, with values of 163.6 and
153.8 mg g−1
, respectively
