Experimental and theoretical study of the adsorption behavior of nitrate ions by (Zn3-Al-Cl)-layered double hydroxide by SID and DFT

被引：1

作者：

Elmelouky, Abderrahmane ^{[1
]}

Mghaiouini, Redouane ^{[1
,2
]}

Mortadi, Abdelhadi ^{[1
]}

Hairch, Youssef ^{[1
]}

Saifaoui, Dennoun ^{[3
]}

Chahid, El Ghaouti ^{[1
]}

El moznine, Radad ^{[1
]}

Salah, Mohammed ^{[4
]}

机构：

[1] Univ Chouaib Doukkali, Lab Phys Condensed Matter, El Jadida, Morocco

[2] Hassan II Univ, Fac Sci Ben Msik, Dept Chem, Phys Chem Lab Appl Mat, Casablanca, Morocco

[3] Lab Renewable Energy & Dynam Syst, FSAC UH2C, Casablanca, Morocco

[4] Chouaib Doukkali Univ, Fac Sci, Dept Chem, Mol Modeling & Spect Res Team, El Jadida, Morocco

来源：

MATERIALS TODAY-PROCEEDINGS | 2022年 / 66卷

关键词：

Materials science; Materials chemistry; Impedance spectroscopy; Layer charge; Ionic conductivity; Molecular dynamics; LAYERED DOUBLE HYDROXIDE; IMPEDANCE SPECTROSCOPY; DIELECTRIC-PROPERTIES; AQUEOUS-SOLUTION; REMOVAL; WATER; GROUNDWATER; RELAXATION; ELECTRODES; DISPERSION;

D O I：

10.1016/j.matpr.2022.05.314

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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 adsorp-tion 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 (Zn-2.93 Al(OH)(7.86)) (Cl-, 1.87H(2)O) surface. The theoretical results are in agreement with the experimental outcomes.Copyright (c) 2022 Elsevier Ltd. All rights reserved.

引用

页码：307 / 312

页数：6

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