Selective separation of lanthanide group in spent NiMH battery acidic leaching solutions

• Published in: Separation and purification technology Vol. 307; p. 122671
• Main Authors: Lie, Jenni, Liu, Jhy-Chern
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.02.2023
• Subjects: Lanthanides; Precipitation; Recovery; Selective separation; Spent NiMH batteries; Spent NiMH batteries; Selective separation; Precipitation; Lanthanides; Recovery

[Display omitted] •REEs from spent NiMH batteries were recovered using acid leaching and precipitation.•HCl, HNO3, and H2SO4 were used as the leaching solution.•Selective precipitation of REEs from leaching solution by PO4-3 was at low pH.•Increasing PO4-3 concentration, pH, and temperature increase...