Recovery of iron as hematite and separation of trivalent lanthanide ions from spent hard disk magnet leach liquor using [P66614][Cy272] ionic liquid
Prasanjit Das, Binapani Behera, Kali Sanjay, Niharbala Devi
Abstract
in the raffinate, requiring two extraction stages at a 2 : 3 organic-to-aqueous phase (O/A) ratio. The reusability of the ionic liquid further enabled a sustainable, closed-loop recycling process. This approach highlights the potential for integrating ionic liquids into green technologies for NdFeB magnet recycling, ensuring resource recovery while minimizing environmental impact.
Topics & Concepts
HematiteLanthanideMagnetIonic liquidIonChemistryMagnetic separationInorganic chemistryMaterials scienceMetallurgyMineralogyEngineeringMechanical engineeringOrganic chemistryCatalysisBiochemistryExtraction and Separation ProcessesMetal Extraction and BioleachingRecycling and Waste Management Techniques