Tanzania’s Imwelo selects processing route after gold recovery rises to 84.5%

Published: Sep 25, 2026 16:02 (GMT+8)

[SMM Gold Flash] Lake Victoria Gold reported new metallurgical testwork for weathered ore at Area C of its fully permitted Imwelo Gold Project in Tanzania. Attrition scrubbing followed by desliming increased 24-hour gold extraction from 49.99% to 84.54% in agitated-leach testing. Bottle-roll recovery reached 88.15% after pretreatment, while gravity-recoverable gold also increased. The work was conducted by Nesch Mintech Tanzania in Mwanza.

The company has identified attrition scrubbing and desliming as the preferred pretreatment route for further optimisation of the clay-rich near-surface material. Lake Victoria Gold says the results complement earlier work on deeper material, where recoveries of approximately 96–97% were reported. Importantly, the reported recoveries relate to tested pretreated fractions and do not yet represent overall whole-ore plant recovery; further mass-balance and optimisation work is planned.

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