Process of Solvent Extraction for Separation of Rare Earth Elements (REEs) Through Partial Reflux of Rare Earths in Solvent Based on Separation Factor

摘要

A process of solvent extraction for separation of rare earth elements (REEs) based on separation factor is provided. The method includes repeatedly contacting the REEs containing aqueous solution with a suitable solvent containing a diluent and/or a modifier and an REE as a partial reflux.