Change of the 234U content in uranium obtained by underground leaching at the dalmatovskoye deposit

The results of a determination of the ^sup 234^U content in various samples obtained at the Dalmatovskoye deposit are presented: samples of ores, solutions from technological wells, and concentrate obtained at the deposit. It is shown that underground leaching increases the ^sup 234^U content in the...

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Veröffentlicht in:	Atomic energy (New York, N.Y.) N.Y.), 2005-06, Vol.98 (6), p.415-419
Hauptverfasser:	SOLOV'EV, G. S, SAPRYGIN, A. V, GOLIK, V. M, GOLIK, S. V, KUZ'MINA, N. V, KUKUSHKIN, Yu. M
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Exact sciences and technology Fuels Isotopes Leaching Nuclear fuels Preparation and processing of nuclear fuels Uranium
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Zusammenfassung:	The results of a determination of the ^sup 234^U content in various samples obtained at the Dalmatovskoye deposit are presented: samples of ores, solutions from technological wells, and concentrate obtained at the deposit. It is shown that underground leaching increases the ^sup 234^U content in the uranium obtained. The ^sup 234^U concentration in the concentrate exceeds 0.0070%, which is 1.3 times higher than the equilibrium content in ore (0.0054%). The reasons for the change in the isotopic composition of uranium on leaching from ore using sulfuric-acid solutions are discussed.[PUBLICATION ABSTRACT]
ISSN:	1063-4258 1573-8205
DOI:	10.1007/s10512-005-0226-2