Lithium Mining & Direct Lithium Extraction

Lithium is abundantly available worldwide, with major reserves in Chile, Australia, Argentina, China, Canada, and beyond. Historically, two methods have dominated extraction: hard-rock mining and brine evaporation.

Hard-rock mining involves drilling and blasting to reach lithium-bearing ore, followed by extensive crushing, grinding, and chemical refining. While effective, it generates significant waste, disrupts ecosystems, and requires substantial energy inputs.

Brine mining, on the other hand, pumps lithium-rich water from underground reservoirs into vast evaporation ponds. The process is slow — often taking months to years — and consumes enormous volumes of water. Estimates indicate that producing one ton of lithium from brine requires approximately 8 million liters of water, placing serious strain on local communities and ecosystems, particularly in arid regions where deposits are most concentrated.

The journey from raw lithium to a finished battery pack involves far more than mining. After extraction, raw materials undergo leaching to isolate key elements — lithium, cobalt, nickel, manganese, and graphite. The resulting pregnant leach solution is purified through solvent extraction or precipitation, and the recovered metals are refined into the chemical precursors that form the cathodes and anodes of lithium-ion cells.

Final assembly brings together cathode and anode materials, electrolytes, separators, and current collectors in controlled environments, followed by rigorous quality testing for capacity, safety, and consistency. And as the volume of spent batteries grows, recycling processes — hydrometallurgical, pyrolysis, and direct physical recycling — are becoming essential to recover valuable metals and close the loop on the battery lifecycle.

Throughout every stage, operations depend on the precise transfer and mixing of harsh chemicals, adhesives, solvents, slurries, and viscous fluids. Positive displacement pumps maintain controlled flow rates for accurate dosing and ingredient mixing, while industrial mixers ensure the thorough blending and homogenization required for consistent battery chemistry. Any inefficiency or equipment failure at these stages can lead to product defects, production delays, or safety risks.

Milton Roy combines proven expertise in extractive metallurgy with industry-leading precision metering technology. Our pumps are built to perform in the most aggressive chemical environments, delivering the accuracy, reliability, and durability that lithium producers and battery manufacturers require.

We support your operations with global engineering resources, an extensive network of channel partners, and application knowledge that spans mining, chemical processing, water treatment, and advanced manufacturing. Whether you are scaling a DLE pilot project or optimizing a production line, Milton Roy has the solutions and the experience to make your process flow.