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UDK: 66.061.351, 661.865

2017. - V. 31. - N 10(191). - P. 61-63

S.V. Chizhevskaya, S.S. Shulin, J.V. Pletuhina, G.N. Galieva,

THE LIQUID EXTRACTION SEPARATION FROM NITRIC SOLUTIONS OF HEAVY-MEDIUM GROUP OF RARE EARTH ELEMENTS, OBTAINED FROM THE APATITE CONCENTRATE, BY MIXTURES CYANEX®572-TBP AND VERSATIC 10-TBP

The optimal compositions of mixtures of extractants for the separation of the heavy-medium group of rare earth elements obtained from the apatite concentrate have been determinated. The compositions of mixtures demonstrating the highest separation coefficients for the selection of Y, of medium and heavy groups and heavy elements have been identified. It was offered the sequence of the separation of the concentrate till the selection of high-purity yttrium and the elements of the medium and heavy groups of rare earths

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РАЗДЕЛЕНИЕ СРЕДНЕТЯЖЕЛОЙ ГРУППЫ РЕДКОЗЕМЕЛЬНЫХ ЭЛЕМЕНТОВ, ВЫДЕЛЕННОЙ ИЗ АПАТИТОВОГО КОНЦЕНТРАТА СМЕСЯМИ ЭКСТРАГЕНТОВ CYANEX®572-ТБФ И VERSATIC 10-ТБФ ИЗ НИТРАТНЫХ СРЕД

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Keywords

apatite   Cyanex®572   extraction   heavy group of REE   medium group of REE   rare earth elements of the heavy-middle group   separation coefficients   TBP   Versatic 10   yttrium   апатит   иттрий   коэффициенты разделения   среднетяжелая группа РЗЭ   средняя группа   ТБФ   тяжелая группа РЗЭ   экстракция  


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