Evaluation of ozone as an efficient and sustainable reagent for chalcopyrite leaching: Process optimization and oxidative mechanism

• Published in: Journal of industrial and engineering chemistry (Seoul, Korea) Vol. 104; pp. 333 - 344
• Main Authors: Wang, Jingxiu, Faraji, Fariborz, Ghahreman, Ahmad
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 25.12.2021; 한국공업화학회
• Subjects: Copper; Diffusion inhibition; Ferric sulfate; Leaching mechanism; Ozonation; Sulfidic ores; 화학공학; Ozonation; Leaching mechanism; Diffusion inhibition; Ferric sulfate; Copper; Sulfidic ores

[Display omitted] •Chalcopyrite leaching in sulfuric acid solution with ozone was studied.•Ozone leaching mechanism is changed by increased temperature.•Ferric sulfate addition decreased copper recovery by inhibiting ozone diffusion.•All different oxidative leaching follows shrinking core model by m...