What was developed or tested
The case combines secondary-resource recovery with characterisation, processing and capping of remaining material.
What the evidence supports
An institutional case showing how critical-mineral recovery can be paired with remediation. Public performance data are more limited than for mature operators.
Environmental and technical uncertainty
Recovery can reduce a legacy inventory, but the balance between concentrate production, residual chemistry and final cover performance controls net benefit.
Benefit-case screening lens
Potential value: Recovered metal revenue, critical-mineral supply, improved resource efficiency and possible reduction of a legacy or active tailings inventory.
Deployment constraints: Representative grade, mineral deportment, recovery, throughput, reagents, energy, CAPEX, commodity price and management of the reprocessed residue.
Question before applying elsewhere
Do grade variability, mineral deportment, recovery, reagent demand and residual-waste management support a viable site-specific flowsheet?