How a new extraction process could unlock the world’s lithium
A new way to extract lithium. Ammonium fluoride—a weak, widely available acid—can dissolve silicate minerals and unlock the lithium inside. The process is cleaner, cheaper, and wastes almost nothing. By skipping the energy-intensive kilns used in hard-rock mining, the method extracts lithium, alumina, and silica from the same ore—what MIT Professor Yet-Ming Chiang calls "nose-to-tail" mining—at a projected cost under $6,000 per metric ton. Scaling up is the next big hurdle. S
Researchers have developed a novel method for extracting lithium from silicate minerals using ammonium fluoride, a mild and accessible acid. This innovative process promises to be more cost-effective and environmentally conscious than current techniques. Unlike energy-intensive hard-rock mining or geographically limited brine extraction, this approach extracts lithium, alumina, and silica simultaneously from the same ore, a concept dubbed "nose-to-tail" mining. The projected cost is under $6,000 per metric ton, significantly lower than existing methods.
A startup named Rock Zero is currently working to scale up this technology, with plans for a pilot plant by 2026. While the potential benefits are substantial, the company faces challenges in a volatile market dominated by established players, and some cost projections may need further validation.
This new extraction process could significantly reduce the cost and environmental impact of producing lithium, a critical component for electric vehicles and renewable energy storage, potentially accelerating the transition to a greener economy.
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