In Zimbabwe, Dasen Mining partnered with a local cooperative to turn century-old tailings dumps into a sustainable gold production operation. The tailings contained residual gold from outdated processing methods, with grades up to 0.96 g/t.

heap leaching plant 3 - 10,000-Ton Placer Gold Tailings Reprocessing - Heap Leaching

Heap Leaching Technical Highlights
Material: Historical gold tailings
Ore Grade: 0.96 g/t
Recovery Rate: 45%
Leaching Method: Heap Leaching
Cycle Time: 70 days
Economic Outcomes
Cost: $100,000
Gold Recovered: 4,300 g
Revenue: $387,000
Profit: $287,000
Profit Margin: 74.2%

heap - 10,000-Ton Placer Gold Tailings Reprocessing - Heap Leaching
Monthly Production Plan
Using a cyclical production model, the site now processes 10,000–20,000 tons monthly.

Monthly Input Output Gold (g) Revenue ($) Profit ($)
10,000 tons 4,300 g $387,000 $287,000
20,000 tons 8,600 g $774,000 $574,000+

Waste Reuse: Eliminated toxic legacy dumps
Local Employment: Trained 40+ local workers
Eco-Friendly Chemistry: Cyanide-free leaching option tested (ECO GOLD LEACHING AGENT)

 

Client Insight
“Dasen’s small-scale heap leaching system let us profit from waste while training our community. It’s more than mining — it’s a future.”
— Cooperative Leader, South Africa

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