The effects of hydrogen peroxide solution and ultrasound on the dissolution of electrodeposited uranium oxide

The effects of H 2 O 2 solution and ultrasound in the presence and absence of elevated (80 °C) temperature on the dissolution of electrodeposited uranium oxide have been studied. The results indicated that the uranium release was significantly affected by not only hydrogen peroxide solution and ultr...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2019-03, Vol.319 (3), p.1321-1329
Main Authors: Van Nguyen, Thang, Phong Huynh Nguyen, Thu, Cong Le, Hao
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Dissolution
Hadrons
Heavy Ions
High temperature
Hydrogen peroxide
Inorganic Chemistry
Nuclear Chemistry
Nuclear energy
Nuclear Physics
Oxidizing agents
Physical Chemistry
Plutonium
Ultrasonic imaging
Uranium
Uranium oxides
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Summary:The effects of H 2 O 2 solution and ultrasound in the presence and absence of elevated (80 °C) temperature on the dissolution of electrodeposited uranium oxide have been studied. The results indicated that the uranium release was significantly affected by not only hydrogen peroxide solution and ultrasound but also the temperature. The presence of elevated temperature and the formation of powerful oxidants such as OH radicals and H 2 O 2 strongly enhance the uranium release. Dissolution efficiency of uranium oxide can reach ~ 60% and ~ 96% for the absence and presence of elevated temperature in the concentration of 1 mM H 2 O 2 under ultrasonic irradiation, respectively.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-018-6271-9