1786 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Figure 7. Kinetic plots of leaching at various pH levels adjusted by Ca(OH)2, a) pH, b) Au recovery, c) Cu concentration,
d) thiosulfate concentration (Test condition: 0.1 M S2O32–, 1 mM Cu, 0.02 gMg(OH)2/gOre Mg(OH)2, 20±3°C)
Figure 8. Kinetic plots of leaching at different Mg(OH)2 concentrations, a) Au recovery b) Cu concentration, c) thiosulfate
concentration, and d) pH (Test condition: 0.1 M S2O32–, 1 mM Cu, 0.01-0.05 gMg(OH)2/gOre Mg(OH)2, pH 9.5, 20±3°C)
Figure 7. Kinetic plots of leaching at various pH levels adjusted by Ca(OH)2, a) pH, b) Au recovery, c) Cu concentration,
d) thiosulfate concentration (Test condition: 0.1 M S2O32–, 1 mM Cu, 0.02 gMg(OH)2/gOre Mg(OH)2, 20±3°C)
Figure 8. Kinetic plots of leaching at different Mg(OH)2 concentrations, a) Au recovery b) Cu concentration, c) thiosulfate
concentration, and d) pH (Test condition: 0.1 M S2O32–, 1 mM Cu, 0.01-0.05 gMg(OH)2/gOre Mg(OH)2, pH 9.5, 20±3°C)