Selective Scandium Elution from Ion-Exchange Resin
Author Information
Author(s): Mikeli Eleni, Marinos Danai, Balomenos Efthymios, Panias Dimitrios
Primary Institution: National Technical University of Athens
Hypothesis
This study investigates the elution behavior of scandium from D2EHPA-impregnated resins after metal loading from acidic chloride solutions.
Conclusion
Fluoride-based systems were found to be effective for the selective elution of scandium from D2EHPA-impregnated resins.
Supporting Evidence
- Fluoride salts were the only effective elution agents for scandium.
- The study demonstrated that a two-step elution process can enhance scandium recovery.
- High concentrations of HF were necessary for complete scandium elution.
Takeaway
The study shows how to get scandium out of special resins using certain chemicals, which can help in recycling this important metal.
Methodology
The study used batch and column experiments to test various elution agents for scandium recovery from D2EHPA-impregnated resins.
Limitations
The study primarily focuses on fluoride-based systems and may not address other potential elution methods.
Digital Object Identifier (DOI)
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