Separation of radionuclides from chemical and electrochemical decontamination wastes

K. Rosíková; J. John; F. Šebesta

doi:10.1023/a:1022533626860

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 255: Issue 2

Separation of radionuclides from chemical and electrochemical decontamination wastes

Authors:

K. Rosíková

K. Rosíková Czech Technical University in Prague Department of Nuclear Chemistry Břehová 7 115 19 Prague 1 Czech Republic

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J. John

J. John Czech Technical University in Prague Department of Nuclear Chemistry Břehová 7 115 19 Prague 1 Czech Republic

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F. Šebesta

F. Šebesta Czech Technical University in Prague Department of Nuclear Chemistry Břehová 7 115 19 Prague 1 Czech Republic

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Pages:: 397–402

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Feb 2003

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1022533626860

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Abstract

A multistage process combining photocatalytic degradation of organic complexes and complexants followed by separation of the radionuclides by ion exchange was developed and tested for the treatment of aqueous waste from chemical or electrochemical decontamination of NPP primary circuit internals. In these solutions, both the oxalic and citric acids could be quantitatively degraded within 10-12 hours of irradiation by 254 nm UV radiation in the presence of TiO₂ photocatalyst. For the group radionuclides separation, a standard cation exchanger was found to be preferable to any of the set of the tested inorganic-organic composite absorbers.

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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)