US Dept of Energy and NREL: Geothermal Lithium Extraction Prize https://americanmadechallenges.org/geothermallithiumextraction/ https://www.nrel.gov/news/program/2021/using-direct-lithium-extraction-to-secure-us-supplies.html Another Company with a Technology that's similar, just for fun: https://www.samcotech.com/project-briefs/lithium-refinery-leverages-dilute-process-solution-for-production-of-lithium-carbonate-with-samco-high-pressure-ro-system/ hl cubv bring on the lithium.