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Title: RECOVERY OF ASSOCIATED METALS DURING IN SITU LEACHING OF URANIUM
RECOVERY OF ASSOCIATED METALS DURING IN SITU LEACHING OF URANIUM

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Yerkin Bektay; Akmurat Altynbek; Erzhan Mukanov; Gaukhar Turysbekova; Bauyrzhan Shiderin
10.5593/sgem2022/1.1/s03.041
10.5593/sgem2022/1.1
1314-2704
978-619-7603-38-5
English
22
1.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Exploration and Mining
Uranium mining companies of Kazakhstan during 15 years increased production of uranium more than 15 times using in-situ recovery of uranium (ISR). At the same time a significant part of uranium deposits contains gold, silver, palladium and rare metals like rhenium, germanium, scandium and et`s. The task was set for the complex extraction of associated metals from technological solutions of a uranium mine. Work was carried out to select and study samples of productive solutions and leaching solutions at one of the uranium mines in Kazakhstan. At the second stage, an experimental unit was installed in a 40-foot container (Stand), consisting of six sorption columns and two flow channel extractors. The hydrodynamic resistance of channel extractors much less then in sorption columns. This is a fundamental technical advantage compared to sorption columns. The flow rate in the Channel extractors was more than 0.85 m/sec, which is much higher than the flow rate in the sorption columns (0.01 m/sec). Enlarged tests were carried out with various types of ion-exchange resins, activated carbon, and zeolite on the Stand. Channel extractors used CYANEX extractants and others. It was showed the potential for extracting associated valuable metals from technological solutions: gold, scandium, germanium and other metals. Integrated mining of associated metals at the explored uranium mine of Kazakhstan will provide an economic benefit of up to $350 million.
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conference
https://doi.org/10.5593/sgem2022/1.1/s03.041
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
355-360
04 - 10 July, 2022
website
8428
in situ leaching, uranium, gold, rare metals