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Enhanced performance for Eu(III) ions remediation using magnetic multiwalled carbon nanotubes functioned with carboxymethyl cellulose nanoparticles synthesized by plasma technology

Abstract

Herein, this paper described the synthesis of sodium carboxymethyl cellulose (CMC)/iron oxides/multiwalled carbon nanotubes (MMWCNTs) composites (denoted as CMC/MMWCNTs) by plasma technique and their applications to the decontamination europium ions from aqueous solutions under controlled laboratorial conditions. Batch experiments were conducted to understand the interaction mechanism of europium ions onto the surfaces of CMC/MMWCNTs nanoparticles and evaluate the application prospect of CMC/MMWCNTs in remediation pollution fields. The adsorption capacity of Eu(III) on CMC/MMWCNTs was greater than that of major adsorbents, illustrating that the conjugated CMC could be increased the sorption capacity of CMC/MMWCNTs nanoparticles toward Eu(III) ions through providing multiple hydroxyl and carboxyl functional groups. The mutual interaction of Eu(III) ions immobilization on CMC/MMWCNTs was contributed to outer-sphere surface complexation at low pH values, and inner-sphere surface complexation was dominant interactional mechanism at high pH values. The experimental findings herein demonstrate that CMC/MMWCNTs composites can be highly effective adsorbent for the immobilization of Eu(III) ions or other trivalent actinides/lanthanides ions from large volumes of aqueous solution.

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Publication details

The article was received on 24 Aug 2018, accepted on 27 Oct 2018 and first published on 29 Oct 2018


Article type: Research Article
DOI: 10.1039/C8QI00901E
Citation: Inorg. Chem. Front., 2018, Accepted Manuscript
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    Enhanced performance for Eu(III) ions remediation using magnetic multiwalled carbon nanotubes functioned with carboxymethyl cellulose nanoparticles synthesized by plasma technology

    P. Zong, D. Cao, Y. Cheng, S. Wang, T. Hayat, N. S. Alharbi, Z. Guo, Y. Zhao and C. He, Inorg. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QI00901E

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