Sorption and desorption of Eu(III) on alumina

D. Xu; Q. L. Ning; X. Zhou; C. L. Chen; X. L. Tan; A. D. Wu; X. Wang

doi:10.1007/s10967-005-0926-z

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 266: Issue 3

Sorption and desorption of Eu(III) on alumina

Authors:

D. Xu

D. Xu Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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Q. L. Ning

Q. L. Ning Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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X. Zhou

X. Zhou Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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C. L. Chen

C. L. Chen Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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X. L. Tan

X. L. Tan Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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A. D. Wu

A. D. Wu Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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X. Wang

X. Wang Institute of Plasma Physics, Chinese Academy of Sciences P.O. Box 1126, Hefei, Anhui, 230031, P.R. China

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Pages:: 419–424

Online Publication Date:: 17 Dec 2005

Publication Date:: 17 Nov 2005

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-005-0926-z

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Summary

Effects of ionic strength and of fulvic acid on the sorption of Eu(III) on alumina were investigated by using a batch technique. The experiments were carried out at T=25±1 °C, pH 4-6 and in the presence of 1M NaCl. The results indicate that sorption isotherms of Eu(III) are linear at low pH values. The sorption-desorption of Eu(III) on alumina at pH 4.4 is reversible, but a sorption-desorption hysteresis is found at pH 5.0. Fulvic acid has an obvious positive effect on the sorption of Eu(III) on alumina at low pH values. The migration of Eu(III) in alumina was studied by using column experiments and ^152+154Eu(III) radiotracer at pH 3.8. For column experiments, Eu(III) sorbed on alumina can be desorbed completely from the solid surface at low pH values. The findings are relevant to the evaluation of lanthanide and actinide ions in the environment.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)