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Andromeda Metals has started commissioning its high-purity alumina (HPA) pilot plant. It marks another step towards commercial production using Great White kaolin and its proprietary processing technology.
{alcircleadd}The pilot plant will allow the company to test continuous production rather than batch processing and is to operate through the third quarter of 2026. The company plans to use the program for future feasibility work and project development.
Andromeda plans to produce commercial-grade 4N HPA samples in the second half of 2026. These samples will be sent to potential customers for qualification testing, an important stage before commercial supply agreements can be secured.
The pilot plant follows earlier laboratory work in which the company produced HPA with a purity level of 99.9985 per cent. A scoping study completed in 2025 also indicated favourable project economics and competitive production costs.
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The test program will also examine the potential recovery of by-products, including amorphous silica and possibly gallium. Neither material was included in the previous economic assessment, meaning they could provide additional revenue opportunities if commercial uses are confirmed.
Andromeda is developing the project around its Great White kaolin deposit, with the aim of producing high-purity alumina for specialist applications. The company is seeking to establish a supply chain that is separate from traditional aluminium production routes.
The pilot plant campaign is expected to provide key technical and operational data as Andromeda progresses towards commercial production and customer qualification activities planned for late 2026.
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