Contract

Available for Licensing - Electrochemical Rare Earth Recovery from Coal Fly Ash: Turn Waste Stockpiles into Critical Materials Revenue

Agency: ENERGY, DEPARTMENT OF / ENERGY, DEPARTMENT OF
Location: Idaho Falls, ID
Amount: Amount not listed
Deadline: Closes in 14 days (Aug 1, 2026)
Posted: Jun 11, 2026
Set-aside: None (open competition)
NAICS code: 21229

What this contract is for

Electrochemical Rare Earth Recovery from Coal Fly Ash: Turn Waste Stockpiles into Critical Materials Revenue Technology Overview Researchers at Idaho National Laboratory have developed an electrochemical process that selectively extracts rare earth elements (REEs) from coal fly ash leachate using electricity instead of chemical reagents. The technology employs tuned anodic electrosorption with functionalized mesoporous carbon electrodes to achieve superior separation of REEs from competing metal ions. Opportunity Coal fly ash represents a massive, untapped resource: 158 million tons produced annually in the U.S. 1.5 billion tons currently stockpiled Contains 74,000-106,000 metric tons of rare earth elements Current extraction methods don't work at scale. Traditional solvent extraction relies on large volumes of chemical reagents, generating significant hazardous waste and requiring costly disposal. Poor selectivity (separation factor around 1) means you need 50-200 extraction cycles to achieve high purity. This translates to slow processing times (days to weeks), high operating costs, and growing regulatory pressure. Bottom line: there's no efficient, cost-effective, and environmentally sustainable technology for REE recovery from coal fly ash at commercial scale. Competitive Advantages Conventional solvent extraction approaches: Separation factors typically below 10, requiring 50 to 200 extraction cycles Processing times measured in days to weeks Heavy reliance on chemical reagents Significant hazardous waste generation and disposal costs Large footprint, batch-based systems Increasing regulatory and ESG pressure INL electrochemical process: Separation Factor ~7 Processing completed in hours Electricity-driven, reagent-free operation Minimal waste generation Compact, m...

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