Other studies have similarly noted the presence of small amounts of sulphur in leach residues produced from pyrite at high temperatures in the presence of chloride, e.g., [30]. In the piloting of the Platsol process, which employed a lixiviant containing 10 g/L chloride, the total ...
CuSO4·5H2O (≥98%), NiSO4·6H2O (≥98%), H2NaO2P·H2O (≥99%), Na2MoO4·2H2O (≥99%) and HCOOH (ACS, 37 wt% ChemEngineering 2017, 1, 11 3 of 14 in H2O, contains 10–15% methanol as a stabilizer solution) were purchased from Sigma-Aldrich. Sodium citrate dihydrate (99%),...