US DOE’s $29.5M for 17 mining tech projects: key takeaways for engineers
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
The US Department of Energy has awarded $29.5 million to 17 mining technology projects across 12 National Laboratories under the CMEI “Mine of the Future” initiative, targeting underground recovery, autonomous exploration, secondary sourcing, and advanced beneficiation. Idaho National Laboratory will trial electric‑hydraulic fracturing for in‑situ extraction, Lawrence Berkeley National Laboratory will test low‑voltage lithium recovery from clay, and Oak Ridge National Laboratory is building a mobile robotics platform to map underground mines in minutes. Argonne, SLAC and Ames labs will focus on extracting copper‑nickel‑cobalt from tailings, vanadium from ageing oil and gas infrastructure, and rare earths via acoustic–magnetic fracturing with computer‑vision sorting.
Technical Brief
- Projects are explicitly mandated to progress technologies from lab-scale towards field pilots and commercial readiness.
- Underground recovery work includes electric–hydraulic fracturing trials aimed at in‑situ extraction rather than conventional stoping.
- Low‑voltage lithium extraction from clay targets reduced energy input versus high‑temperature or acid‑leach routes.
- Acoustic–magnetic rare earth ore fracturing with real‑time computer‑vision sorting aims to upgrade ore before grinding, cutting comminution load.
Our Take
Oak Ridge and other National Laboratories named here also appear in the $10M Critical Materials Innovation Hub awards, suggesting DOE is building a recurring core of institutional expertise around rare earth and copper processing that mine developers can plug into rather than relying solely on private technology vendors.
In our database of 1243 Mining stories, only a subset of critical minerals items involve direct US Department of Energy funding, which likely gives projects associated with CMEI-backed work (for lithium, nickel, cobalt and vanadium in particular) an advantage when later competing for demonstration-scale or commercialisation grants.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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