caa a22 4500 606151214 CHVBK 20210128100542.0 cr unu---uuuuu 210128e20150401xx s 000 0 eng 10.1007/s10512-015-9941-5 doi (NATIONALLICENCE)springer-10.1007/s10512-015-9941-5 Technology for Obtaining Natural-Uranium Concentrates to ASTM C 967-08 Specifications [Elektronische Daten] [V. Peganov, T. Molchanova, I. Akimova, E. Zharova] The process of separating high-purity chemical concentrates of uranium, which are an intermediate product in the general scheme of obtaining materials of the nuclear industry, is studied and the parameters of the sorption-desorption concentration of uranium using different regenerating solutions are determined. Variants and combinations of the processes of selective separation of chemical concentrates in the form of ammonium and sodium polyuranates and uranium peroxide from commercial desorbates and re-extracts in application to the reprocessing of raw materials from the Elkonskoe and Streltsovskoe deposits are proposed. It is shown that chemical concentrates of uranium meeting the ASTM C 967-08 standard specifications can be obtained. The results presented can be used to improve the technological schemes of uranium extraction during the reprocessing of ores and concentrates with the final product meeting all applicable regulatory requirements. Springer Science+Business Media New York, 2015 Peganov V. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut Molchanova T. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut Akimova I. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut Zharova E. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut Atomic Energy Springer US; http://www.springer-ny.com 117/6(2015-04-01), 415-421 1063-4258 117:6<415 2015 117 10512 https://doi.org/10.1007/s10512-015-9941-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10512-015-9941-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Peganov V. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut NATIONALLICENCE 700 1- Molchanova T. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut NATIONALLICENCE 700 1- Akimova I. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut NATIONALLICENCE 700 1- Zharova E. Leading Research Institute of Chemical Technology (VNIIKhT), Moscow, Russia aut NATIONALLICENCE 773 0- Atomic Energy Springer US; http://www.springer-ny.com 117/6(2015-04-01), 415-421 1063-4258 117:6<415 2015 117 10512