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Table 4. Large-scale plants for the biooxidation of refractory gold mineralsa.
|
Plant |
Start-up |
Technology |
Capacity |
|
Fairview, South Africa |
1986 |
Tank leaching |
35 tons gold concentrate/day |
|
Sao Bento, Brazil |
1990 |
Tank leaching |
150 tons gold concentrate/day |
|
Harbour Lights, Australia |
1992 |
Tank leaching |
40 tons gold concentrate/day |
|
Wiluna, Australia |
1993 |
Tank leaching |
115 tons gold concentrate/day |
|
Ashanti, Ghana |
1994 |
Tank leaching |
1,000 tons gold concentrate/day |
|
Youanmi, Australia |
1994 |
Tank leaching |
120 tons gold concentrate/day |
|
Sansu, Ghana |
1994 |
Tank leaching |
1,000 tons gold concentrate/day |
|
Tamboraque, Peru |
1999 |
Tank leaching |
260,000 tons of zinc flotation tailings |
|
Mount Leyshon, Australia |
1992 |
Heap leaching |
1,370 tons of copper-gold ore/day |
|
Newmont-Carlin, USA |
1995 |
Heap leaching |
10,000 tons gold ore/day |
| a Brierley, 1997; Loayza and Ly, 1999. |
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