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Physicochemical behavior of uranium and technetium in some new stages of the nuclear fuel cycle

Abstract : Recently published results of the cooperative studies executed by the Institute of Physical Chemistry and Electrochemistry of Russian Academy of Sciences (IPCE RAS), Research Center Vallée du Rhone (CEA, France), Institute of Nuclear Physics Orsay and University Bordeaux I [Centre Nationale de Recherches Scientifiques (CNRS), France] are reviewed. The review includes data obtained for the first time on the electrochemical properties and anodic dissolution of uranium monocarbide considered among possible bases of the fuel for the reactors of the IVth generation. The results of the investigations in the field of the synthesis of tetraalkyl ammonium pertechnetates, their physicochemical properties and thermal decomposition with formation of Tc metal and Tc monocarbide are summarized. The electrochemical reactions with participation of Tc ions in various oxidation states and their application in the nuclear fuel cycle are described. The behavior of technetium in natural waters near the locations of the radwastes long-term storage and in the areas surrounding nuclear power plants in RF and France was studied.
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Submitted on : Friday, October 2, 2009 - 3:06:26 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:54 PM

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V.F. Peretrukhin, F. Moisy, A. G. Maslennikov, M. Simonoff, A. Yu. Tsivadze, et al.. Physicochemical behavior of uranium and technetium in some new stages of the nuclear fuel cycle. Russian Journal of General Chemistry / Zhurnal Obshchei Khimii, MAIK Nauka/Interperiodica, 2008, 78, pp.1031-1046. ⟨10.1134/S107036320805037X⟩. ⟨in2p3-00421664⟩



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