Authors:
Shekhar Kumar Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 India

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Pranay Sinha Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 India

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U. Kamachi Mudali Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 India

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R. Natarajan Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 India

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Abstract  

Hydroxyurea and its derivatives are important nonsalt forming reductants in partitioning of uranium and plutonium in the nuclear fuel reprocessing operations. There is no experimental data available in open literature describing pressurization due to the thermal decomposition of aqueous and nitric solutions of hydroxyurea at elevated temperatures. Authors studied thermal decomposition of hydroxyurea-nitric acid system and resultant pressurization at various concentrations of nitric acid in an adiabatic calorimeter in closed-vent conditions. During these experiments, pressurization was observed. In this paper, results of these experiments have been discussed.

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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)