The sequence in which uranium and phosphorus compounds are extracted from phosphate raw materials of different origin (Zaozernoe, Grachevskoe, and Melovoe deposits) is investigated. It is shown that in the case of fractional dissolution of samples from the Zaozernoe deposit the uranium is found in the solution and precipitate after acidic decomposition in the form of unrevealed uranium-containing minerals, while in the case of the Melovoe deposit the uranium and phosphorus are in solution and uranium and phosphorus deposits cannot be present in the precipitates.
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Translated from Atomnaya Énergiya, Vol. 118, No. 5, pp. 271–274, May, 2015.
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Smirnov, K.M., Men’shikov, Y.A., Krylova, O.K. et al. Form of Uranium Found in Phosphate Ores in Northern Kazakhstan. At Energy 118, 337–340 (2015). https://doi.org/10.1007/s10512-015-0003-9
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DOI: https://doi.org/10.1007/s10512-015-0003-9