On sorption extraction of rare-earth elements in the nitric acid processing of Khibiny apatite concentrate


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Fundamental aspects of the sorption recovery of rare-earth elements with a sulfocationite from a nitric-phosphoric acid solution formed as intermediate product in the nitric acid processing of Khibiny apatite concentrate were studied. It was confirmed that rare-earth elements can be effectively sorbed from a nitric-phosphoric acid solution without its preliminary neutralization. It was found that polyvalent metals can be sorbed from a nitric-phosphoric acid solution in the form of positively charged (possibly, single-charged) complexes containing nitrate and(or) phosphate ligands.

Sobre autores

E. Lokshin

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Center

Autor responsável pela correspondência
Email: lokshin.ep@gmail.com
Rússia, Akademgorodok 26a, Apatity, 184209

O. Tareeva

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Center

Email: lokshin.ep@gmail.com
Rússia, Akademgorodok 26a, Apatity, 184209

I. Elizarov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Science Center

Email: lokshin.ep@gmail.com
Rússia, Akademgorodok 26a, Apatity, 184209

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