Laboratory Leaching Tests to Investigate Mobilisation and Recovery of Metals from Geothermal Reservoirs

Figure 10

Concentration (in ppb) of the “at risk” elements in each sample reacted with the mixture of 0.01 M HCl and 0.003 M HNO₃ at 100°C temperature under 200 bar pressure in Ti batch reactors after 770 hours (absence of data points reflects concentrations below the limits of detection).