Processing of phosphodihydrate to separate rare-earth elements and obtain gypsum free from phosphates and fluorides |
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| Authors: | E P Lokshin O A Tareeva I P Elizarova |
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| Institution: | 1.Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Resources,Kola Scientific Center,Apatity, Murmansk oblast,Russia |
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| Abstract: | Geotechnological complex processing of phosphodihydrate, including sulfuric acid leaching, sorption extraction of rare-earth
elements, recovery of leaching solutions to obtain rare-earth products and gypsum material, which in the radioactivity and
concentration of impurity fluorides and phosphates is suitable for use in building and cement industries, is outlined. |
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