Laurence Dyer

Jan 21, 2025 | mdpi.com | Mark Henderson |Laurence Dyer |Bogale Tadesse |Mark Stephen

1. IntroductionRare earth elements (REE) contained in phosphate mineralisation, specifically a monazite, are amenable to attack by organic acids [1]. Oxalic acid showed considerable promise with the release of the contained rare earth values, which, due to the presence of oxalate, precipitated as insoluble REE oxalates.