Examines zinc recovery in zinc cakes using sulfur during roasting, suggesting improved efficiency.
This study examines the reductive roasting of ZnFe₂O₄ in zinc cake using sulfur. XRD and SEM-EDX analyses showed that optimal conditions were achieved at 500 °C with 10% sulfur addition, leading to the formation of ZnO and FeS phases. The process improves zinc recovery during subsequent sulfuric acid leaching.
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Khojiev et al. (2026) studied this question.
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