An introduction to DLE
This report explores the various technologies used for direct lithium extraction (DLE) as they stand today. It explores various DLE methods, including sorption, ion exchange, solvent extraction, membrane, electrochemical, carbonation processes etc.
Each method’s mechanisms, advantages, disadvantages, and technological readiness are analysed, along with a comparison of their commercial potential. This work also examines the economic viability of DLE compared to conventional extraction methods. Additionally, the potential sustainability benefits of DLE, such as lower carbon, water, and land footprints, are discussed.
It is important to appreciate that each brine is unique (lithium content, total dissolved solids (TDS), situation…) and while the techniques described here work well at certain sites, each brine requires a tailored approach.
This report is made by possible through the support of Rockwell Automation: www.rok.auto/lithium
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