Rare Earth Ions Adsorption onto Graphene Oxide Nanosheets

Graphene oxide (GO) was synthesized and used as a coagulant of rare earth elements (REEs) from aqueous solution. Stability and adsorption capacities were exhibited for target REEs such as La(III), Nd(III), Gd(III), and Y(III). The parameters influencing the adsorption capacity of the target species...

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Bibliographic Details
Published in:Solvent extraction and ion exchange 2017-02, Vol.35 (2), p.91-103
Main Authors: Ashour, Radwa M., Abdelhamid, Hani Nasser, Abdel-Magied, Ahmed F., Abdel-Khalek, Ahmed A., Ali, M. M., Uheida, A., Muhammed, Mamoun, Zou, Xiaodong, Dutta, Joydeep
Format: Article
Language:English
Subjects:
Adsorption
desorption
graphene oxide
Inorganic Chemistry
oorganisk kemi
rare earth
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Summary:Graphene oxide (GO) was synthesized and used as a coagulant of rare earth elements (REEs) from aqueous solution. Stability and adsorption capacities were exhibited for target REEs such as La(III), Nd(III), Gd(III), and Y(III). The parameters influencing the adsorption capacity of the target species including contact time, pH, initial concentration, and temperature were optimized. The adsorption kinetics and thermodynamics were studied. The method showed quantitative recovery (99%) upon desorption using HNO 3 acid (0.1 M) after a short contact time (15 min).
ISSN:0736-6299
1532-2262
1532-2262
DOI:10.1080/07366299.2017.1287509