BORON, Calif.--(BUSINESS WIRE)-- Rio Tinto has commenced production of battery-grade lithium from waste rock at a lithium demonstration plant at the Boron mine site in California, United States. The demonstration plant is the next step in scaling up a breakthrough lithium production process developed at Boron, to recover the critical mineral and extract additional value out of waste piles from over 90 years of mining at the operation. An initial small-scale trial in 2019 successfully proved the process of roasting and leaching waste rock to recover high grades of lithium....
Advanced Australian lithium developer Core Lithium Ltd (ASX: CXO) (Core or Company) is pleased to announce the production of battery grade lithium hydroxide monohydrate (LH) from spodumene mineral concentrate from the Finniss Lithium Project.The scoping level test work program has demonstrated that the conventional ‘direct’ flowsheet can be applied to the processing of the mineral concentrate sample to produce battery grade lithium hydroxide monohydrate. In light of the success of this program and the recently granted Federal Government Major Projects status, Core is now considering the obvious down-stream value potential...