A novel method for lithium mining that is potentially more eco-friendly may facilitate the extraction of the vital mineral from deposits in Western Canada. Companies are progressing towards proving the effectiveness of this technology on a larger scale. The new technology, known as direct lithium extraction (DLE), offers a promising solution to accessing lithium brines found in subsurface salty water, which have been challenging to extract using traditional methods.
One company, LithiumBank, is eyeing Alberta due to its existing infrastructure from the oil and gas industry, which can be repurposed for lithium mining. The company holds licenses for two lithium projects in Alberta and is repurposing wells originally built for oil and gas extraction to access the underground brines containing lithium.
DLE technology stands out from conventional methods by potentially providing a more environmentally friendly and cost-effective approach to mining lithium. This technology is essential for the clean energy transition since lithium is a crucial component in battery production. Canada’s interest in DLE stems from the limitations of existing methods in regions like South America, emphasizing the need for alternative technologies like DLE to extract lithium from various sources.
While traditional lithium mining methods involve extracting the mineral from rocks in Australia and from lithium brines in places like Chile, DLE offers a more efficient approach by directly extracting lithium using chemicals, eliminating the need for solar evaporation. Recent studies have demonstrated the potential of new solvents in extracting lithium from brines, showing promise for the scalability of DLE technology.
LithiumBank successfully pilot-tested its DLE technology, extracting battery-grade lithium and is now conducting further tests to assess the quality of the extracted lithium. The demand for lithium is projected to surge significantly by 2040, driven by the increasing adoption of electric vehicles and renewable energy storage systems.
In terms of environmental impact, DLE presents advantages over conventional extraction methods, particularly in reducing carbon emissions and water use. However, the energy-intensive nature of DLE underscores the importance of utilizing clean energy sources for its operations. Despite some challenges, DLE’s ability to minimize water usage and its potential for sustainable lithium extraction make it a promising solution for the industry.