Latest Hydrometallurgy News

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Prospech Limited advances its Korsnäs rare earth project by transitioning from flotation upgrades to a targeted hydrometallurgical program with ANSTO Minerals, aiming to unlock value from a significant historical concentrate stockpile in Finland.
Maxwell Dee
Maxwell Dee
17 Dec 2025
Lindian Resources confirms a high-grade, ultra-low-radiation rare earth carbonate product from its Kangankunde project, achieving 97% recovery of critical neodymium and praseodymium. The breakthrough promises simpler processing and competitive operating costs.
Maxwell Dee
Maxwell Dee
2 Dec 2025
American Rare Earths reports promising beneficiation optimisation results and an updated mineral processing flowsheet for its Halleck Creek Rare Earths Project, marking a key step toward production.
Maxwell Dee
Maxwell Dee
10 Nov 2025
Hastings Technology Metals and Wyloo have signed a non-binding agreement with Ucore Rare Metals to negotiate a long-term offtake for rare earth concentrate and explore US-based downstream processing.
Maxwell Dee
Maxwell Dee
31 Oct 2025
Critica Limited has marked a significant milestone in its Jupiter rare earths project, commissioning a pilot plant and producing its first high-grade mixed rare earth oxide product, underscoring its path from resource to revenue.
Maxwell Dee
Maxwell Dee
31 Oct 2025
Critica Limited has produced its first high-grade Mixed Rare Earth Product from the Jupiter Deposit, achieving 84% total rare earth oxides and validating its beneficiation-first processing strategy. This milestone marks a pivotal shift from exploration to development for the company.
Maxwell Dee
Maxwell Dee
28 Oct 2025
Brazilian Rare Earths Limited has inked a decade-long heavy rare earths offtake deal with Carester and announced a major maiden resource at its Amargosa bauxite project, backed by a $120 million capital raise to accelerate development.
Maxwell Dee
Maxwell Dee
28 Oct 2025
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.
Maxwell Dee
Maxwell Dee
20 Oct 2025
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.
Maxwell Dee
Maxwell Dee
15 Oct 2025
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.
Maxwell Dee
Maxwell Dee
29 Sept 2025
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.
Maxwell Dee
Maxwell Dee
11 Sept 2025
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.
Maxwell Dee
Maxwell Dee
3 Sept 2025