Electrochemical de-chlorination/transformation of metal chloride for the preparation of NZP structure product

Kwang-Wook Kim; In-Tae Park; Hwan-Seo Park; Eil-Hee Lee; Eung-Ho Kim

doi:10.1007/s10967-007-7119-x

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 275: Issue 3

Electrochemical de-chlorination/transformation of metal chloride for the preparation of NZP structure product

Authors:

Kwang-Wook Kim

Kwang-Wook Kim Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu Daejeon 305-353 Korea

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In-Tae Park

In-Tae Park Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu Daejeon 305-353 Korea

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Hwan-Seo Park

Hwan-Seo Park Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu Daejeon 305-353 Korea

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Eil-Hee Lee

Eil-Hee Lee Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu Daejeon 305-353 Korea

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, and

Eung-Ho Kim

Eung-Ho Kim Korea Atomic Energy Research Institute 150 Deokjin-dong, Yuseong-gu Daejeon 305-353 Korea

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Pages:: 595–604

Online Publication Date:: 14 Oct 2007

Publication Date:: 01 Mar 2008

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-007-7119-x

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Abstract

A new two-step process was investigated to treat LiCl molten salt waste containing volatile radionuclides generated from an electro-metallurgical processing (pyro-processing) of spent oxide fuels. First, the chemical form of the soluble LiCl waste was transformed into a chloride-free and less soluble hydroxide compound by an electrochemical method, where an electrolytic de-chlorination was performed without adding any chemical salt. Then, a gelation process of the chemical form-changed Li compound, named gel-route stabilization/solidification (GRSS) system aimed to reduce the volatility of the radionuclides greatly, was introduced to stabilize/solidify the hydroxide salt wastes. The application of the electrochemical dechlorination/transformation process and the subsequent gel-route stabilization process to treat the soluble LiCl salt wastes was found to be effective.

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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)