Characteristics of lagoon sludge waste generated from an uranium conversion plant

D. Hwang; K. Lee; Y. Choi; S. Hwang; J. Park

doi:10.1023/b:jrnc.0000027105.83084.c7

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 260: Issue 2

Characteristics of lagoon sludge waste generated from an uranium conversion plant

Authors:

D. Hwang

D. Hwang Korea Atomic Energy Research Institute Daejeon 305-600 Korea

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K. Lee

K. Lee Korea Atomic Energy Research Institute Daejeon 305-600 Korea

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Y. Choi

Y. Choi Korea Atomic Energy Research Institute Daejeon 305-600 Korea

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S. Hwang

S. Hwang Korea Atomic Energy Research Institute Daejeon 305-600 Korea

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J. Park

J. Park Korea Atomic Energy Research Institute Daejeon 305-600 Korea

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Pages:: 327–333

Online Publication Date:: 03 Nov 2004

Publication Date:: 01 May 2004

Article Category:: Research Article

DOI:: https://doi.org/10.1023/b:jrnc.0000027105.83084.c7

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Abstract

The Korea Atomic Energy Research Institute (KAERI) has launched a decommissioning program of the uranium conversion plant. The sludge waste, which was generated during the operation of the plant and stored in the lagoon, was characterized for the development of the treatment process. The physical properties were measured and chemical compositions and radiological properties analyzed. The main compounds of the sludge were ammonium nitrate, sodium nitrate, calcium nitrate, and calcium carbonate. All heavy radioactive elements such as uranium, thorium and ²²⁶Ra were precipitated and deposited at the bottom, and were not dissolved in the concentrated nitrate solution. A possible flow-scheme for processing is presented.

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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)