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Mosleh Mehryar,Ghasem Marandi Techno-Press 2024 Advances in nano research Vol.16 No.1
SiO<sub>2</sub>-coated magnetic nanoparticles (Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> NPs) were modified by 3-nitrobenzelidenmalononitrile and used as green linkages for removal of Hg<sup>2+</sup> form the wastewater. In this research, it has been attempted to refer to the harmful effects of mercury ions for living things and how to remove such ions using very easy and practical technique. This study shows that by optimizing the test conditions, the efficiency of the removal of harmful ions such as mercury from the water contaminated with these ions can be increased. Conditions such as temperature, speed of agitation, pH of solution were tested for removal of mercury ions. The advantages of this method over other methods listed in the article are the rapid and easy nanocry synthesis. The generated and modified Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> nanoparticles were characterized by X-ray diffraction, fourier transform infrared and scanning electron microscopy spectroscopy. The results show that the synthesized magnetic nanoparticles have the excellent performance for the removal of mercury(II) ion from the waste water.