2021
DOI: 10.1016/j.apsusc.2021.150644
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Novel environment-friendly magnetic bentonite nanomaterials functionalized by carboxymethyl chitosan and 1-(2-pyridinylazo)-2-naphthaleno for adsorption of Sc(III)

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Cited by 36 publications
(11 citation statements)
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“…Recently, the heterogeneous and multifunctional synthetic structures of organic and inorganic components were investigated as very effective adsorbents for both metal ions and dissolved organic chemicals [17,18]. The clay-based hybrid structures with organic polymers and metal oxides, especially bentonite-based composites, have been introduced in more recent years as the best multifunction structures for the retention of toxic metal ions from water supplies [19,20].…”
Section: Introductionmentioning
confidence: 99%
“…Recently, the heterogeneous and multifunctional synthetic structures of organic and inorganic components were investigated as very effective adsorbents for both metal ions and dissolved organic chemicals [17,18]. The clay-based hybrid structures with organic polymers and metal oxides, especially bentonite-based composites, have been introduced in more recent years as the best multifunction structures for the retention of toxic metal ions from water supplies [19,20].…”
Section: Introductionmentioning
confidence: 99%
“…Furthermore, the binding energy of C–O increases from 531.87 eV to 531.93 eV after Gd( iii ) adsorption, suggesting that –OH groups are involved in the chelation with Gd( iii ). Based on the above discussions, the adsorption mechanism of PEI-CMC-IIS is mainly summarized as following: 1 The chelation between O/N-containing functional groups on PEI-CMC-IIS and Gd( iii ); 2 the unique spatial structure of imprinting cavities achieves the selective adsorption in size for Gd( iii ).…”
Section: Resultsmentioning
confidence: 99%
“…The widespread application of rare earth metals (REMs) owing to their excellent optical, magnetic, and electronic properties drastically exacerbates the release of REM ions into the aquatic environment, which is potentially dangerous for the health of humans and animals. 1–3 The free gadolinium ion [Gd( iii )] accumulated in water is extremely poisonous, and may destroy the human immune and respiratory system. 4–6 Thus, development of an effective avenue for separation and recovery of Gd( iii ) from wastewater plays an increasingly significant role in advanced applications.…”
Section: Introductionmentioning
confidence: 99%
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“…3,14 The heterogeneous and multifunctional materials that exhibit complex organic/inorganic active chemical groups have been evaluated as enhanced adsorbents. 11,15 Synthetic zeolite/biopolymers were introduced recently as potential multifunction adsorbents that exhibit remarkable adsorption capacity, recyclability, biodegradability, ion exchange capacity, and environmental values. 16,17 Natural zeolite phases as well as their composites have been reported as promising adsorbent materials during the decontamination of organic and inorganic dissolved chemicals.…”
Section: Introductionmentioning
confidence: 99%