S.M.S. Ganji, K. Barani
Creatine was used as a lixiviant for gold dissolution from gold ore. The effects of creatine concentration, temperature, leach time, and pH were examined for their influence on extent of gold dissolution. The results show that at a temperature of 75°C and pH 11.5, gold dissolution increased from 51% to 88% on increasing creatine concentration from 25 to 50 g/t. Further increase in creatine concentration showed a negative effect on the gold dissolution. Gold dissolution increased from 47% to 87% by increasing the temperature from 25°C to 55°C, and from 61% to 89% by increasing pH from 10 to 11.5. Under the optimum conditions of solids’ content of 30%, pH 11.5, creatine concentration of 100 g/t, temperature of 75°C, and hydrogen peroxide addition of 2%, about 90% of the gold could be dissolved from the ore after 24 h. A comparison between creatine and cyanide leaching showed that 90% gold dissolution was achieved at a cyanide concentration of 300 g/t, which is three times higher than the creatine concentration under optimal conditions.
@article{aa24f230-7b88-402c-b74f-63a598f8905a,
title={Leaching of gold ore using creatine monohydrate},
author={S.M.S. Ganji and K. Barani},
year={2024},
language={en}
}TY - JOUR TI - Leaching of gold ore using creatine monohydrate AU - S.M.S. Ganji AU - K. Barani PY - 2024 LA - en ER -
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