2015
DOI: 10.1021/acs.est.5b02227
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EDTA-Cross-Linked β-Cyclodextrin: An Environmentally Friendly Bifunctional Adsorbent for Simultaneous Adsorption of Metals and Cationic Dyes

Abstract: The discharge of metals and dyes poses a serious threat to public health and the environment. What is worse, these two hazardous pollutants are often found to coexist in industrial wastewaters, making the treatment more challenging. Herein, we report an EDTA-cross-linked β-cyclodextrin (EDTA-β-CD) bifunctional adsorbent, which was fabricated by an easy and green approach through the polycondensation reaction of β-cyclodextrin with EDTA as a cross-linker, for simultaneous adsorption of metals and dyes. In this … Show more

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Cited by 443 publications
(196 citation statements)
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“…15,16 b-Cyclodextrin (b-CD) polymers, prepared by crosslinking b-CD or its derivatives with functional groups have been studied widely as adsorbents for chromatographic separation and water treatment applications. [17][18][19][20] The most notable feature of b-CD polymers is the ability to selectively encapsulate a wide range of molecules due to the preservation of the hydrophobic hollow cavity that belongs to the b-CD molecule in their skeletons.…”
Section: 11mentioning
confidence: 99%
“…15,16 b-Cyclodextrin (b-CD) polymers, prepared by crosslinking b-CD or its derivatives with functional groups have been studied widely as adsorbents for chromatographic separation and water treatment applications. [17][18][19][20] The most notable feature of b-CD polymers is the ability to selectively encapsulate a wide range of molecules due to the preservation of the hydrophobic hollow cavity that belongs to the b-CD molecule in their skeletons.…”
Section: 11mentioning
confidence: 99%
“…Recently, bifunctional natural derivatives have been proposed for this purpose. For example, Zhao et al [3] proposed a new cyclodextrin-based material for the simultaneous adsorption of metals and cationic dyes. Zhang et al [4] studied the removal of cobalt and 1-naphthol onto magnetic nanoparticles containing cyclodextrin and iron and Yang et al [5] proposed a new nanocomposite adsorbent for the simultaneous removal of organic and inorganic substances from water.…”
Section: Introductionmentioning
confidence: 99%
“…3b). Both of these indicated that the doping of metal oxides might play roles in the adsorption of DTMHP, by creating new active sites such as Cu II and Zn II sites on the surface of the ceramic particle electrodes [29][30][31]. The better pre-adsorption on these active sites might accelerate the degradation of DTMHP when current on [32].…”
Section: Comparisons Of Two-and Three-dimensional Electrochemical Reamentioning
confidence: 99%