Table 7 Detoxification operating cost analysis.
From: Thiosulfate leaching in carbonaceous gold-bearing ores in Ethiopia
Item no | Major items | Costs per annum (Birr) |
|---|---|---|
1 | Detox plant operating items (Details: Table 8) | – |
1.1 | Spare part replacements | 950,000.00 |
1.2 | Running items and Utilities | 446,266.80 |
2 | Tailing dam operating items (Details: Table 9) | – |
2.1 | Spare part replacements | 2,610,000.00 |
2.2 | Running items and Utilities | 549,564.00 |
3 | Supervisory fee for two Units (One person working for 8h/day with monthly salary of 10,000BIRR) | 120,000.00 |
Grand Total | 4,621,080.80 | |
Annual budgeted plant processing capacity | 1.1 million tons | |
Unit cost for detoxification of cyanide tailings (Birr/t) | 4.20 |
