Chitsanzo cha ore ndi oxidized golide miyala anatengedwa kuchokera ku mgodi wa golide ku Burundi. Golide wa golide wa ore yaiwisi ndi 0.81 g / t, kugaya fineness ndi -0.074 mm 90%, kuchuluka kwa zamkati ndi 40%. Laimu amagwiritsidwa ntchito ngati pH adjuster. The leaching ndende ya Sodium cyanide ndipo zotulutsa golide wochezeka ndi chilengedwe zonse ndi 0.1%. Leaching ikuchitika firiji kwa maola 24. Pambuyo kusefedwa ndi kuchapa, golide kalasi ya tailings wapezeka, ndi leaching rate amawerengedwa. Kuyerekeza zotsatira za cyanide Leaching ndi wochezeka golide extractant leaching akuwonetsedwa mu tebulo ili m'munsiyi.
| Nthawi yopuma (h) | Zotsalira za Leaching Au (g/t) | Mtengo wotsitsa (%) | Mlingo wa CaO (g/t) | Madzi pH | Kugwiritsa ntchito mankhwala (g/t) | Gold leaching agent |
| NaCN | 0 | 0.81 | / | 3000 | 12 | 500 |
| 4 | 0.3 | 62.96 | 3000 | 11 | ||
| 24 | 0.22 | 72.84 | 3000 | 9 | ||
| Environmental Gold Extracting Agent | 0 | 0.81 | / | 3000 | 12 | 500 |
| 4 | 0.27 | 66.67 | 3000 | 11 | ||
| 24 | 0.2 | 75.31 | 3000 | 9 |
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