Ion exchange investigation for recovery of uranium from acidic pregnant leach solutions
نویسندگان
چکیده
منابع مشابه
Ion exchange investigation for recovery of uranium from acidic pregnant leach solutions
In the face of depletion of fossil resources, the development of nuclear power in the world is inevitable. Poland is one of the few developed countries, which does not have a nuclear power plant [1]. Therefore, The programme of Polish nuclear energy has recently been implemented. Simultaneously, the interest in domestic uranium ores, which fi rst appeared in the fi ftieth of the previous centur...
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As part of the development of equipment and innovative technology for the process flow-sheet, a study on the selection of good resin for uranium uptake is ongoing. Both static and dynamic column equilibrium testing upon synthetic and Gattar pregnant leach solutions (PLS) were carried out to estimate the change of total capacity and breakthrough capacity of the commercial macroporous anion excha...
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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-n-butylphosphate (0.2 M:0.2 M) was found as a good extracting agent for uranium. Recovery of uranium...
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The electrochemical reduction of H2O2 on SIMFUEL was investigated over the pH range 1 to 4. The mechanism at pH 4 is known to occur on U species incorporated into a surface layer of U1-2xU2xO2+x. However, below pH 3, reduction occurs on an adsorbed UO2(OH) state which is unstable and oxidizes to insulating U before dissolving as UO2. Both schemes are observed at intermediate pH’s. The presence ...
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ژورنال
عنوان ژورنال: Nukleonika
سال: 2017
ISSN: 0029-5922
DOI: 10.1515/nuka-2017-0031