Isampula ye-ore iyi- oxidized gold ore eqoqwe kusuka ku-concentrator yemayini yegolide eBurundi. Izinga legolide le-ore eluhlaza lingu-0.81 g/t, ubuncane bokugaya bungu-0.074 mm 90%, ukuhlushwa kwe-pulp kungu-40%. I-Lime isetshenziswa njengesilungisi se-pH. Ukuhlushwa kwe- Sodium cyanide kanye ne-gold extractant enobungani nemvelo kokubili kungu-0.1%. Ukuhlushwa kwenziwa ekushiseni kwegumbi amahora angu-24. Ngemva kokuhlunga nokugeza, izinga legolide lemisila liyatholakala, futhi izinga lokuhlushwa liyabalwa. Ukuqhathaniswa kwemiphumela yokuhlushwa kwe-cyanide kanye nokuhlushwa kwe-gold extractant enobungani nemvelo kuboniswe kuthebula elilandelayo.
| Isikhathi sokuphumula (h) | I-Leaching residue Au (g/t) | Izinga le-Leaching (%) | Umthamo we-CaO (g/t) | I-Pulp pH | Ukusetshenziswa komenzeli (g/t) | I-ejenti yokucwilisa igolide |
| I-NaCN | 0 | 0.81 | / | 3000 | 12 | 500 |
| 4 | 0.3 | 62.96 | 3000 | 11 | ||
| 24 | 0.22 | 72.84 | 3000 | 9 | ||
| I-Ejenti Ekhipha Igolide Lemvelo | 0 | 0.81 | / | 3000 | 12 | 500 |
| 4 | 0.27 | 66.67 | 3000 | 11 | ||
| 24 | 0.2 | 75.31 | 3000 | 9 |
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