Sorption and desorption characteristics of Eu(III) on red earth

W. Dong; X. Wang; J. Du; X. Bian; F. Ma; Z. Tao

doi:10.1007/bf02347397

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 242: Issue 3

Sorption and desorption characteristics of Eu(III) on red earth

Authors:

W. Dong

W. Dong Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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X. Wang

X. Wang Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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J. Du

J. Du Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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X. Bian

X. Bian Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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F. Ma

F. Ma Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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Z. Tao

Z. Tao Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering 730000 Lanzhou P.R. China

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Pages:: 793–797

Online Publication Date:: 10 Apr 2006

Publication Date:: 17 Dec 1999

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02347397

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Abstract

The batch method and the column method were simultaneously employed to study the sorption and desorption of Eu(III) on red earth as a function of pH (4.6–6), the presence of a well-characterized fulvic acid (FA) and the iron oxides content of red earth. The results from both methods were consistent qualitatively. The Eu(III) sorption showed significant dependences on pH and FA, the sorption was increased with increasing pH and by addition of FA to the solutions, while the iron oxides content of the red earth had a negative contribution to the sorption of Eu(III). Additionally, the sorption-desorption hysteresis of Eu(III) on red earth occurred at a pH range of 4.6–6. Therefore, the humic substance and high pH have a great tendency to immobilize Eu(III) on red earth.

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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)