A Study of the Sulfuric Acid Leaching of Rare-Earth Elements, Phosphorus, and Alkali Metals from Phosphodihydrate

摘要

The leaching of rare-earth elements, phosphorus, and alkali metals from phosphodihydrate, obtained in processing of the Khibiny apatite concentrate into mineral fertilizers, with sulfate solutions with a sulfuric acid concentration c(H2SO4) = 0.5-4 wt was studied.