Selective Extraction of Rare Earth Elements from Phosphoric Acid by Ion Exchange Resins
Rare earth elements (REE) are present at low concentrations (hundreds of ppm) in phosphoric acid solutions produced by the leaching of phosphate ores by sulfuric acid. The strongly acidic and complexing nature of this medium, as well as the presence of metallic impurities (including iron and uranium...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-08-01
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Series: | Metals |
Subjects: | |
Online Access: | http://www.mdpi.com/2075-4701/8/9/682 |