NDLI: Continuous recovery of uranium oxides by electrolysis of M$_{2}$MoO$_{4}$-M$_{2}$Mo$_{2}$O$_{7}$-UO$_{2}$MoO$

Content Provider	Springer Nature Link
Author	Afonichkin, V. K. Khrustova, L. G. Komarov, V. E.
Copyright Year	2013
Abstract	Effect of the electrolyte composition and of the solvent-salt cation on the oxygen coefficient of the cathodic product (O/U atomic ratio) and basic characteristics of the potentiostatic electrodeposition of uranium dioxide in prolonged recovery of uranium oxides from electrolytes of the system M$_{2}$MoO$_{4}$-M$_{2}$Mo$_{2}$O$_{7}$-UO$_{2}$MoO$_{4}$ Melts (M = Li, Na, K, Cs) in air was analyzed. A decrease in the UO$_{2}$MoO$_{4}$ concentration and accumulation of M$_{2}$Mo$_{2}$O$_{7}$ in the electrolyte in the course of a prolonged electrolysis suppress the solvolysis of uranyl ions and make lower the oxygen coefficient of the cathodic product. Li$_{2}$MoO$_{4}$-based melts possessing pronounced oxygenacceptor properties exhibit an anomalous behavior in these experiments. The current efficiency, initial current density, and deposition rate of the product decrease as electrolytes are depleted of uranium. In discussions of numerical data, it is necessary to take into account the formation of lower valence forms of uranium due to the chemical corrosion of the cathodic product, and in the case of melts of the lithium system, the additional cathodic process in which the solvent is reduced.
Starting Page	133
Ending Page	140
Page Count	8
File Format	PDF
ISSN	10704272
Journal	Russian Journal of Applied Chemistry
Volume Number	86
Issue Number	2
e-ISSN	16083296
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2013-03-15
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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Sequential recovery of uranium oxides by electrolysis of M$_{2}$WO$_{4}$-M$_{2}$W$_{2}$O$_{7}$-UO$_{2}$WO$_{4}$ melts (M = Li, Na, K, Cs)

Effect of cationic composition of electrolytes based on the M$_{2}$MoO$_{4}$-M$_{2}$Mo$_{2}$O$_{7}$-UO$_{2}$MoO$_{4}$ (M = Li, Na, K, Cs) system on the oxygen factor of the uranium electrolytic oxides

Effect of cationic composition of melts M$_{2}$WO$_{4}$-M$_{2}$W$_{2}$O$_{7}$-UO$_{2}$WO$_{4}$ (M = Li, Na, K, Cs) and parameters of electrolysis to uranium dioxide electrodeposition characteristics

Influence of the electrolysis conditions and composition of electrolytes in the M$_{2}$WO$_{4}$-M$_{2}$W$_{2}$O$_{7}$-UO$_{2}$WO$_{4}$ system (M = Li, Na, K, Cs) on the oxygen coefficient of uranium oxide

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Subsolidus Phase Relations in the Systems M$_{2}$ $^{+}$O–M$^{2+}$O–V$_{2}$O$_{5}$(M$^{+}$ = Li, Na, K, Rb, Cs; M$^{2+}$ = Mg, Ca)

Crystal Structure of Tl$_{2}$[(UO$_{2}$)$_{2}$(MoO$_{4}$)$_{3}$] and Crystal Chemistry of the Compounds M$_{2}$[(UO$_{2}$)$_{2}$(MoO$_{4}$)$_{3}$] (M = Tl, Rb, Cs)

Quaternary system Li$_{2}$MoO$_{4}$-Na$_{2}$MoO$_{4}$-CaMoO$_{4}$-BaMoO$_{4}$

Synthesis of Double Uranyl Phthalates of the M$_{4}$[(UO$_{2}$)$_{4}$(μ$_{3}$-O)$_{2}$(C$_{6}$H$_{4}$C$_{2}$O$_{4}$)$_{4}$] ⋅ nH$_{2}$O Type with M = NH$_{4}$, K, and Cs. Crystal Structure of K$_{4}$[(UO$_{2}$)$_{4}$O$_{2}$(C$_{6}$H$_{4}$C$_{2}$O$_{4}$)$_{4}$] ⋅ 3H$_{2}$O

Continuous recovery of uranium oxides by electrolysis of M$_{2}$MoO$_{4}$-M$_{2}$Mo$_{2}$O$_{7}$-UO$_{2}$MoO$_{4}$ melts (M = Li, Na, K, Cs)

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