Iodide Recovery. One of the key advantages of using electrowinning techniques for Au recovery from iodide leachates, is that such techniques allow for the simultaneous recovery of Au and iodide solution, in a few process steps, and in an environmentally benign manner, without the use of hazardous chemical regents or the production of hazardous waste . Recovered iodide solution can then be re-used in subsequent process cycles to reduce costs. In the present work, approximately 2.0 L of iodide (I2 and I -) solution was recovered after the laboratory experiment from the anolyte tank, as a dark purple liquid. Chemical analysis results found that the recovered iodide solution had a 6.11 ± 0.85 g/L I2 concentration and 26.77 ± 3.73 g/L I - concentration. This implies that approximately 82 % of initial I2 and 89 % of initial I -was recovered (this finding is comparable to the 83 % I2 recovery yield obtained by Meng et al., 2021). In addition to the recovered iodide solution, 2.0 L of clear aqueous solution/ water with a Cu (as Cu 2+ ) concentration of 89.07 ± 1.79 mg was recovered from the feed tank, while 2.0 L of clear di-ionised water was recovered from the catholyte tank.