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Mine waste is not waste anymore.

Documenting 20 global projects where engineers and scientists are turning mine tailings into critical minerals, construction materials, and circular economy assets.

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20
Global Case Studies
14
Countries Covered
2018–2024
Research Period
8+
Technologies Profiled
Research Coverage
Technical Insights
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The Hidden Treasure in Mine Waste: Recovering Rare Earth Elements from Tailings
CRITICAL MINERALS
Featured Β· 10 min read

The Hidden Treasure in Mine Waste: Recovering Rare Earth Elements from Tailings

Rare earth elements power the clean energy transition β€” and billions of tonnes of mine tailings may hold the key to securing a domestic supply.

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About

A practising engineer documenting a global shift.

RoleCivil Engineer
Background4 years tailings consultancy
FocusReuse & repurposing
Platformwaste2resource.co

"I kept asking the same question on site: why are we treating this material like a problem to be stored, when the rest of the world is learning to treat it like a resource?"

I'm a civil engineer who spent four years working in tailings management at a consultancy. I worked on geotechnical assessments, storage facility designs, and closure planning β€” the full lifecycle of tailings infrastructure.

That work gave me a ground-level view of how the industry thinks about mine waste: as a liability. Something to be contained, monitored, and eventually closed. The question of what else it could be rarely came up.

That question sent me down a rabbit hole. I started finding projects scattered across South Africa, Brazil, Finland, Australia, and Kazakhstan where engineers were doing exactly that β€” recovering gold from century-old tailings dams, turning copper slag into geopolymer bricks, extracting rare earths from uranium tailings. The evidence was there. It just wasn't being talked about in one place.

So I built this platform. Not as an expert, but as a practitioner who wanted to document what's possible. The 20 case studies here represent real projects, real data, and real outcomes. The blog is where I try to make sense of the technology behind them.

If you're working in tailings management, mining engineering, or sustainable resources β€” I'd genuinely like to connect.

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20 projects. 14 countries. One question.

Browse the full case study library with interactive filters and a global map.

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