A new study has shown that bioleaching can strip more than 90% of sulphur and iron from coal waste, neutralising its acid-generating potential and creating a saleable by-product.
What if the key to slashing tailings closure costs and winning community trust is to start the work decades before the mine shuts down?
For Justin Walls, Principal Consultant (Tailings Engineering) at SRK Consulting, the best time to plan for tailings storage facility (TSF) closure is now – not when the mine is about to shut down.
