Latest Hydrometallurgy News

Prospech Limited reports steady progress on rare earth element metallurgy at its Korsnäs project and promising gold-silver drill results in Slovakia, backed by a fully subscribed $2.1 million capital raising.

Metallium Limited announces a breakthrough rare earth recovery method using Flash Joule Heating with chlorination, promising faster, cleaner recycling of critical metals from magnet waste and advancing U.S. supply chain independence.

Critica Limited reports strong preliminary beneficiation results from its Jupiter rare earths project, achieving consistent ~95% mass rejection and a 6–10x uplift in rare earth grades. A closed-circuit pilot plant is now under construction to optimise recovery and advance product development.

Altamin Limited has been awarded a A$3.62 million refundable grant to advance its Lazio project in Italy, aiming to develop an innovative geothermal-powered process for extracting critical raw materials like lithium, boron, and sulphate of potash.

Brazilian Rare Earths Limited has obtained the final regulatory approval to operate its rare earth pilot plant in Brazil’s largest petrochemical complex, setting the stage for pilot operations in mid-2026.

Critica Limited has greenlit a pilot beneficiation plant in Hanoi to upscale its rare earth concentrate production, aiming to validate significant mass rejection and grade uplift ahead of its Scoping Study.

Critica Limited has dispatched an upgraded composite concentrate from its Jupiter Project to ANSTO for independent hydrometallurgical testing, aiming to produce a Mixed Rare Earth Carbonate (MREC). Complementary assessments by Minutech will help optimise processing routes and support upcoming feasibility studies.

Kuniko Limited has applied for NOK 60 million in funding to develop a sustainable, low-emission battery metals supply chain in Norway, partnering with industry and research leaders including Stellantis.

WA1 Resources has announced a substantial upgrade to its Luni niobium deposit with a significant Indicated Mineral Resource Estimate and successful ferroniobium production testwork, positioning the West Arunta Project as a key player in the critical minerals sector.

Viridis Mining and Minerals, through its joint venture Viridion, has delivered the first batch of high-purity rare earth oxides recycled from Brazilian magnets to Latin America’s only magnet manufacturer, marking a key step in establishing a domestic rare earth supply chain.