2019
DOI: 10.1016/j.jhazmat.2019.03.022
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Experimental and theoretical investigations of Cs+ adsorption on crown ethers modified magnetic adsorbent

Abstract: The adsorbent has a superparamagnetic property, allowing an easy recycling.  The adsorbent has a high capacity and high selectivity of Cs + adsorption.  The experimental results are supported by the DFT calculations.

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Cited by 75 publications
(14 citation statements)
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References 35 publications
(34 reference statements)
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“…The DFT results do not include solvation/desolvation effects on complex formation, which are very difficult to account for in calculations of charged species, especially for individual metal ions. Thus, the ∆U values obtained here refer to hypothetical gas phase processes, which is analogous to other reports [43][44][45][46].…”
Section: Compound 12supporting
confidence: 75%
“…The DFT results do not include solvation/desolvation effects on complex formation, which are very difficult to account for in calculations of charged species, especially for individual metal ions. Thus, the ∆U values obtained here refer to hypothetical gas phase processes, which is analogous to other reports [43][44][45][46].…”
Section: Compound 12supporting
confidence: 75%
“…The pseudo-first order, pseudo-second order, and intraparticle diffusion model are employed to investigate the adsorption kinetics of Li + . The equations are shown as follows: 31 ln( q e − q t ) = ln q e − k 1 t q t = k n t 0.5 + C n where q e and q t are the Li + adsorption capacities (mg g −1 ) at equilibrium and random time t (min), the k 1 (min −1 ) and k 2 (g (mg −1 min −1 )) signify pseudo-first-order and pseudo-second-order coefficients, and k n (mol g −1 min −0.5 ) denotes the diffusion rate coefficient of process n ( n = 1, 2, 3).…”
Section: Resultsmentioning
confidence: 99%
“…To illustrate the Li + adsorption behaviors, the Langmuir, Freundlich, Dubinin-Radushkevich (D-R) and Temkin isotherm models were used to fit the adsorption behavior [38][39][40]:…”
Section: Adsorption Isothermsmentioning
confidence: 99%