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Journal Articles Scientific Reports Year : 2021

Groundwater in sedimentary basins as potential lithium resource: a global prospective study

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Elza Dugamin
  • Function : Author
Antonin Richard
Michel Cathelineau
Marie-Christine Boiron
Frank Despinois
  • Function : Author
Anne Brisset
  • Function : Author

Abstract

Abstract Electric cars will require to increase the production of lithium dramatically (up to 2 Mtons lithium equivalent carbonate per year by 2030). However, conventional hard-rock and salar mining are facing environmental and social concerns. Therefore, alternative lithium resources may help meeting the global demand for the next decades. Here, we provide a systematic analysis of published lithium concentration in about 3000 samples of groundwater from 48 sedimentary basins worldwide. The highest lithium concentrations (> 10 2 mg l −1 ) are primarily found in high salinity waters (Total Dissolved Solids > 10 5 mg l −1 ) and are in the same range as brines from the most productive salars. Conservative estimations based on fluid volume and lithium concentration in selected reservoirs indicate that these lithium resources are comparable to salars and hard-rock mines (0.1–10 Mtons lithium). Therefore, lithium in groundwater from sedimentary basins could be a significant potential resource for the next decades.
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Dates and versions

hal-03499617 , version 1 (05-01-2022)

Licence

Attribution - CC BY 4.0

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Elza Dugamin, Antonin Richard, Michel Cathelineau, Marie-Christine Boiron, Frank Despinois, et al.. Groundwater in sedimentary basins as potential lithium resource: a global prospective study. Scientific Reports, 2021, 11 (1), ⟨10.1038/s41598-021-99912-7⟩. ⟨hal-03499617⟩
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