Neometals, through its partnership with mining services heavyweight Mineral Resources, has inked an agreement with mining giant Rio Tinto to advance its patented lithium processing technology – the ELi process. The company's 70:30 joint venture Reed Advanced Materials has signed a non-binding memorandum of understanding with Rio subsidiary Livent USA to explore the commercialisation of its proprietary process to convert lithium feedstock into high-purity lithium hydroxide monohydrate.