Authors:
Pranay Sinha Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 Tamil Nadu, India

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Shekhar Kumar Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102 Tamil Nadu, India

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

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

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Abstract  

Reversed TALSPEAK (RT) Solvent [0.3 M di-(2-ethyl hexyl) phosphoric acid or D2EPHA in 0.2 M TBP in normal paraffinic diluent] is used as extractant in partitioning of lanthanides and actinides in post-UREX process flow sheets. There is no experimental data available in literature describing pressurization either due to the thermal decomposition or the reaction of RT solvent with nitric acid at elevated temperatures. Experiments were conducted for heating of RT solvent and acid equilibrated RT solvent under closed-vent adiabatic conditions. During these experiments, considerable pressurization was observed. In this paper, results of these experiments are discussed in detail.

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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)