Research Library
Global Case Studies
20 documented projects across 14 countries where mine tailings are being transformed into critical minerals, construction materials, and sustainable resources.
20
Showing
20
Total
Click a marker to explore
Africa
DRDGOLD Ergo
East Rand, South Africa
Recovered
Gold
Technologies
Hydraulic MiningCIL (Carbon-in-Leach)Flotation
Status
Active (Extended life of mine)Returns
~150,000 oz/year goldAsia-Pacific
New Century Resources - Century Mine
Queensland, Australia
Recovered
Zinc
Technologies
Hydraulic MiningFlotationRepurposed Plant
Status
Active (Under Sibanye-Stillwater)Returns
4th largest zinc producer globallyAmericas
Rio Tinto Kennecott - Tellurium Plant
Utah, USA
Recovered
TelluriumGoldSilverMolybdenumSelenium
Technologies
Hydrometallurgical RecoveryRefinery By-products
Status
Active (Commissioned 2022)Returns
Part of $2.9B investment; new revenue st…Americas
Vale - Sustainable Sand
Minas Gerais, Brazil
Recovered
Iron Ore (High grade)Construction Sand
Technologies
Dry ProcessingMagnetic SeparationSand Production
Status
Active/ExpandingReturns
R$ 66B investment; reduces TSF costsAfrica
Pan African Resources - Elikhulu
Evander, South Africa
Recovered
Gold
Technologies
Hydraulic MiningCIL (Carbon-in-Leach)
Status
Active (Commissioned 2018)Returns
AISC ~$1,000/oz; 50,000+ oz/yearAmericas
Jetti Resources - Copper Leaching
Global/USA
Recovered
Copper
Technologies
Catalytic LeachingHeap Leaching
Status
Active (Commercial deployments since 2019)Returns
Partnerships with BHP, Freeport; high RO…Europe
SETELIT Project - Geopolymer
Finland
Recovered
Construction MaterialsGeopolymer Backfill
Technologies
Geopolymerization3D Printing
Status
Research/Pilot (2024-2025)Returns
EU-funded research; reduces cement costsEurope
Polish Copper Slag - 3D Printing
Poland
Recovered
3D-Printed Architectural Elements
Technologies
GeopolymerizationLarge-scale 3D Printing
Status
Pilot/Commercial Prototype (2024)Returns
Circular economy model; high-value produ…Asia-Pacific
Wolfram Camp - Tungsten Recovery
Queensland, Australia
Recovered
Tungsten (WO3)
Technologies
Gravity SeparationBioleaching
Status
Research/PilotReturns
Pilot/Research scale successEurope
Panasqueira Mine - Critical Minerals
Covilhã, Portugal
Recovered
TungstenCopperAggregates
Technologies
XRT SortingGravity SeparationGeopolymer Bricks
Status
Active/Implementation PhaseReturns
Extends mine life; critical mineral reco…Asia
Kazzinc Vasilkovsky
Akmola Region, Kazakhstan
Recovered
Gold
Technologies
Heap Leach ReprocessingHydrometallurgical Processing
Status
ActiveReturns
Extends economic life of major gold mineAsia
Coal Gangue REE Recovery
Jiangxi Province, China
Recovered
LithiumGalliumRare Earth Elements
Technologies
Roasting ActivationSulfuric Acid Leaching
Status
Active/ScalingReturns
Critical mineral supply chain supportAmericas
Codelco Talabre Dam
Calama, Chile
Recovered
CopperMolybdenum
Technologies
FlotationThickened Tailings Management
Status
Active/UpgradingReturns
Strategic circular economy focusAmericas
Teck Sullivan Solar Farm
British Columbia, Canada
Recovered
Land RepurposingRenewable Energy
Technologies
Solar InstallationWater Treatment
Status
Repurposed/ClosedReturns
Transforms liability into renewable asse…Asia-Pacific
BHP Nickel West
Western Australia, Australia
Recovered
NickelCobalt
Technologies
Modernized FlotationHydrometallurgy
Status
ActiveReturns
Critical for EV battery supply chainAsia
Ganzhou Rare Earths
Jiangxi Province, China
Recovered
Rare Earth Elements (REE)
Technologies
In-situ LeachingHeap Leaching
Status
Active/RegulatedReturns
World's primary heavy REE sourceEurope
Neometals Primobius
Hilchenbach, Germany
Recovered
LithiumNickelCobaltManganese
Technologies
ShreddingHydrometallurgical Refining
Status
Active (Commercial scale-up)Returns
Commercial JV with SMS GroupEurope
Anglo American Woodsmith
North Yorkshire, UK
Recovered
POLY4 Multi-nutrient Fertilizer
Technologies
Zero-waste MiningUnderground Transport
Status
Under Construction (2024-2027)Returns
Multi-billion pound investmentEurope
Boliden Aitik
Gällivare, Sweden
Recovered
PyriteConstruction Aggregates
Technologies
FlotationMagnetic Separation
Status
ActiveReturns
One of the most efficient mines globallyAmericas
Missouri Cobalt
Missouri, USA
Recovered
CobaltNickelCopper
Technologies
Dedicated Tailings Processing Facility
Status
Active (Commissioned 2019)Returns
Domestic critical mineral supply