BHP and SiTration Launch Copper Recovery Pilots from Legacy Mine Water in Arizona

Published: Aug 24, 2026 09:33

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BHP and MIT spinout SiTration have launched two pilot deployments to recover copper from legacy mine water at BHP’s Copper Cities site in Arizona. A one-month continuous pilot starts this month, followed by a larger deployment later this year targeting up to two tonnes of commercial-scale copper cathode over two months. Bench testing has already produced LME Grade A copper, with preliminary energy consumption below 4 kWh/kg and no added chemicals or new waste streams.

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