Abstract
Impedance spectroscopy is used to analyze and study the physical process of adsorption through the Cole-Cole diagram and chemical kinetic study in order to make a very effective comparison between the two techniques. The kinetic analysis correlates with the pseudo-second-order. The adsorption of the ions nitrate reaches about 295.62 mg/g as retention capacity. The diagram (Cole-Cole) plots show well the grains and grain boundaries have contributed to the conduction mechanism at different adsorption times. The elements participate that are responsible for conduction phenomena and dielectric processes are H2O and NO3–. A molecular dynamic simulation indicates that NO3– ions adsorb first on the gibbsite and Zincoxane (active sites) of the (Zn2.93 Al(OH)7.86) (Cl−, 1.87H2O) surface. The theoretical results are in agreement with the experimental outcomes.
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