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How Did Brazilian Critical Minerals Restore Clay Chemistry at Ema ISR Project?
8:36am on Monday 20th of October, 2025 AEDT
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Mining
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How Did Brazilian Critical Minerals Restore Clay Chemistry at Ema ISR Project?
8:36am on Monday 20th of October, 2025 AEDT
Key Points
Successful restoration of clay pH and chemistry to natural baseline
Magnesium, aluminium, and iron levels reduced to near or zero
Over 90% magnesium recovery enabling lixiviant recycling and cost savings
No net sulphur accumulation confirming non-acid forming conditions
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