Recovery of lanthanides from extraction phosphoric acid produced by the dihydrate process

Recovery of lanthanides from extraction phosphoric acid produced by the dihydrate process Variant of precipitation of a concentrate of lanthanides from the extraction phosphoric acid formed in the dihydrate processing of the Khibiny apatite concentrate by introduction of sulfuric acid and sodium compounds into the acid is suggested. The main components of the concentrate are double sulfides of lanthanides with sodium, calcium sulfate dihydrate, and sodium hexafluorosilicate. The efficiency of recovery of lanthanides into the concentrate was studied in relation to a sodium compound used. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Recovery of lanthanides from extraction phosphoric acid produced by the dihydrate process

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427210060042
Publisher site
See Article on Publisher Site

Abstract

Variant of precipitation of a concentrate of lanthanides from the extraction phosphoric acid formed in the dihydrate processing of the Khibiny apatite concentrate by introduction of sulfuric acid and sodium compounds into the acid is suggested. The main components of the concentrate are double sulfides of lanthanides with sodium, calcium sulfate dihydrate, and sodium hexafluorosilicate. The efficiency of recovery of lanthanides into the concentrate was studied in relation to a sodium compound used.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jul 24, 2010

References

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