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从波兰低品位矿石加工过程中获得的浸出液中溶剂萃取铀。

Solvent extraction of uranium from leach solutions obtained in processing of Polish low-grade ores.

作者信息

Kiegiel Katarzyna, Abramowska Anna, Biełuszka Paweł, Zakrzewska-Kołtuniewicz Grażyna, Wołkowicz Stanisław

机构信息

Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warsaw, Poland.

Polish Geological Institute National Research Institute, Rakowiecka 4, 00-975 Warsaw, Poland.

出版信息

J Radioanal Nucl Chem. 2017;311(1):589-598. doi: 10.1007/s10967-016-5029-5. Epub 2016 Sep 14.

DOI:10.1007/s10967-016-5029-5
PMID:28111486
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5219033/
Abstract

Solvent extraction of uranium from acidic and alkaline post-leaching liquors that were obtained by leaching of Polish ores is reported in this paper. The stripping of uranium from organic to aqueous phase was also studied. The synergistic mixture of 2-diethylhexylphosphoric acid (D2EHPA) and tri--butylphosphate (0.2 M:0.2 M) was found as a good extracting agent for uranium. Recovery of uranium was reached even 98 %. The effect of such parameters like uranium concentration and concentration of reagents used in the experiments was evaluated in advance by using a model uranium solutions.

摘要

本文报道了从波兰矿石浸出得到的酸性和碱性浸出后液中溶剂萃取铀的情况。还研究了铀从有机相到水相的反萃取。发现二（2-乙基己基）磷酸（D2EHPA）和磷酸三丁酯（0.2M:0.2M）的协同混合物是一种良好的铀萃取剂。铀的回收率甚至达到了98%。通过使用模拟铀溶液预先评估了诸如铀浓度和实验中所用试剂浓度等参数的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/7c038cb41ad0/10967_2016_5029_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/b2e584c5d8f6/10967_2016_5029_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/dca2490562e5/10967_2016_5029_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/6ec1d14c822d/10967_2016_5029_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/8db448fe4a10/10967_2016_5029_Fig6_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/e4b1d91b957b/10967_2016_5029_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/7458b6a3a916/10967_2016_5029_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/7c038cb41ad0/10967_2016_5029_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/b2e584c5d8f6/10967_2016_5029_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/716d5cbc214c/10967_2016_5029_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/25e342d4a504/10967_2016_5029_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/dca2490562e5/10967_2016_5029_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/6ec1d14c822d/10967_2016_5029_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/8db448fe4a10/10967_2016_5029_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/2505cd9de30b/10967_2016_5029_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/e4b1d91b957b/10967_2016_5029_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/7458b6a3a916/10967_2016_5029_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/392f/5219033/7c038cb41ad0/10967_2016_5029_Fig10_HTML.jpg

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