Abstract
Zinc is an important chemical element in many metabolic mechanisms at low concentrations, but can be toxic when administrated in doses higher than 500 µg·g-1 or 3 mg·L-1. This metal has been detected in many aquatic environments due to several industry activities and swine manure effluents. Thus, the contaminant removal of water and wastewater has been a major challenge. Many processes are applied and evaluated in an attempt to removal zinc found in environment, such as adsorption. In the present study Fe3O4@C core-shell nanoparticles were synthesized and used to adsorb ionic zinc species in aqueous solutions. The core-shell nanoparticles exhibited excellent zinc removal capacity, with a maximum efficiency equal 65% where applied in an aqueous solution containing 10 mg·l-1 of this ionic metal.
Highlights
Zinc is a chemical element consider essential for metabolic mechanisms in humans and animals when at low concentrations (
The aim of this study was synthesize Fe3O4@C core-shell nanoparticles to evaluate the capacity of this adsorbent in removal of ionic zinc species dispersed in aqueous solutions
Carbon was verified in the scanning and its presence is consistent with the carbon nanolayer
Summary
Zinc is a chemical element consider essential for metabolic mechanisms in humans and animals when at low concentrations (
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