30 companies, including Rio Tinto, Eramet, and LG Energy, propose lithium extraction technology for Chile's Salares Altoandinos salt flat.

30 companies, including Rio Tinto, Eramet, and LG Energy, have submitted proposals to develop lithium extraction technology for Chile's Salares Altoandinos salt flat. Chile aims to develop the salt flat for lithium mining and requires companies to detail plans for testing brine deposits, outline potential processes for reaching battery-grade lithium, and assess environmental impact from brine reinjection.