12ktpa Rincon Pilot Testworks Achieve 99% Lithium Purity

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Stock Argosy Minerals Ltd (AGY.ASX)
Release Time 29 May 2026, 8:20 a.m.
Price Sensitive Yes
 Argosy Minerals Achieves 99% Lithium Purity in Rincon Pilot Testworks
Key Points
  • Two phases of pilot plant test works achieve positive results
  • Lithium chloride purity of 99% and lithium recovery of 94.4%
  • Technical validation allows progress toward industrial design base
  • Pre-concentrated lithium brine used for test works program
  • Results confirm potential for industrial scaling
Full Summary

Argosy Minerals Limited is pleased to announce the successful completion of pilot plant test works for its 12,000tpa Rincon Lithium Project in Salta Province, Argentina. The test works achieved a lithium chloride purity of 99% and a lithium recovery of 94.4%, confirming the technical feasibility of the process technology and the potential for industrial scaling. The pre-concentrated lithium brine used in the test works achieved the primary target, paving the way for the production of high-value crystallized LiCl solid product. The positive results allow Argosy to advance its engineering and feasibility works toward completing the Definitive Feasibility Study (DFS) and refining project execution schedules and cost estimates. The Company's Managing Director, Jerko Zuvela, expressed satisfaction with the progress towards completing the DFS and the strong platform provided by the test works results.