On the separation of cesium and strontium from oxalate filtrate by neutralization

E. Kim; J. Yoo

doi:10.1007/bf02040281

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 219: Issue 1

On the separation of cesium and strontium from oxalate filtrate by neutralization

Authors:

E. Kim

E. Kim Korea Atomic Energy Research Institute Yusong P.O. Box 105 305-600 Tajon Korea

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J. Yoo

J. Yoo Korea Atomic Energy Research Institute Yusong P.O. Box 105 305-600 Tajon Korea

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Pages:: 131–134

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 May 1997

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02040281

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Abstract

At the treatment of HLLW (high-level liquid radioactive waste) by oxalate precipitation, the filtrate is occured as a waste. But various elements including Cs and Sr are contained in the oxalate filtrate. It is very important, therefore, to separate from each other in a viewpoint of ultimate isolation of heat generating nuclides such as Cs and Sr from HLLW. In this study, the simulated oxalate filtrate, consisted of five elements (Cs, Sr, Ru, Fe and Mo) and organics (oxalic acid and ascorbic acid), was prepared, from which the separation of Cs and Sr was carried out by neutralization with NaOH. As a result, the simulated solution could be divided into Cs, Sr and Ru containing groups with pH. Sr was readily precipitated as forms of Sr(C₂O₄)·nH₂O at pH 3. Iron and ruthenium were also co-precipitated around pH 8, and Cs and Mo remained in the resulting solution.

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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)