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Pitfield Process Flowsheet and Product Development
Empire Metals Limited has successfully completed an integrated metallurgical processing flowsheet for its Pitfield Titanium Project, capable of producing a premium 99%+ TiO₂ pigment, titanium metal feedstock, and a high-grade alumina co-product. Bench-scale testwork confirmed the production of a 99.25% TiO₂ product and a 98.7% Al₂O₃ co-product, with whole-of-ore flotation achieving concentrate grades above 34% TiO₂ and titanium extraction up to 98%. The company is commencing continuous metallurgical piloting in Q3 2026 to validate design criteria ahead of feasibility studies and is researching a molten salt electrolysis process for titanium metal production. Disclaimer*
About this update from Empire Metals Limited
Empire Metals Limited / LON: EEE, OTCQX: EPMLF / Sector: Natural Resources 11 June 2026 Empire Metals Limited ("Empire" or "the Company") Pitfield Process Flowsheet and Product Development Empire Metals Limited, the AIM-quoted and OTCQX-traded exploration and development company, is pleased to announce the completion of an integrated metallurgical processing flowsheet for the Pitfield Titanium Project in Western Australia ("Pitfield" or the "Project"). The flowsheet is capable of producing a premium 99%+ TiO₂ pigment, supported by bench-scale testwork now successfully completed across the key processing stages. Pitfield's use of conventional processing technology, combined with the orebody's mineralogical advantage and the Project's location near readily available infrastructure, underpins a highly competitive cost structure. The flowsheet also offers the optionality to produce titanium metal feedstock and a high-grade alumina co-product. Highlights • Integrated flowsheet defined to produce high-purity (99%+) TiO2 pigment and titanium sponge metal feedstock, plus a high-grade alumina co-product, from one of the world's largest and highest-grade titanium deposits. • Pitfield offers a cost advantage over the conventional ilmenite sulphate route, driven by mineralogical advantages of the Pitfield ore and flowsheet: rejection of a low-value gangue fraction at the front of the circuit, lower acid consumption and leach temperatures, recycling of acid through the alumina circuit, and a vastly smaller iron residue stream. • Flowsheet built entirely on proven, conventional processing steps, materially de-risking scale-up and feasibility. • Whole-of-ore flotation confirms selective recovery of titanium minerals with rejection of more than 90% of unwanted gangue, producing concentrate grades above 34% TiO2. • Titanium extraction of up to 98% achieved via an acid bake-water leach process, after atmospheric-pressure pre-leaching to remove the majority of the residual aluminium and iron from the titanium stream. • High-grade alumina (98.7% Al2O3) produced from the pre-leach solution, offering the potential for a highly marketable co-product that simultaneously lifts TiO2 recovery, lowers reagent costs and reduces waste. • Positioned to provide a significant Western source of TiO2 rutile pigmen...
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