Efficient recovery of high-purity 2D flaky R-FePO4 from lithium extraction slag leachate via solvent extraction and chemical precipitation

Key Points

• High-purity R-FePO4 is successfully recovered, enhancing material sustainability.
• Efficiency was demonstrated with over 90% recovery using solvent extraction techniques.
• Chemical precipitation methods played a critical role in purifying the R-FePO4 product.
• The approach suggests a viable solution for managing lithium extraction waste.