A trove of lithium-rich brine exists underground in Bolivia. Researchers conducted the first comprehensive chemical analysis of wastewater associated with mining the resource.

Samples from the mine site included natural brine pumped from underground; brine from eight evaporation ponds; and wastewater from the lithium processing facility.

Link for the sturdy: https://pubs.acs.org/doi/full/10.1021/acs.estlett.4c01124