Recent Operational Improvements of Hematite Plant …
867
Fig. 2 Annual zinc leach residue generated
Fig. 3 Schematic flow sheet of the AZC operation
Recent Improvements of the Hematite Process
Renewal of SO 2 Leaching Autoclaves
In the SO 2 leaching process, iron is leached from zinc leach residue through autoclaves. These autoclaves are constructed of steel shell with lead lining, and acidresistant porcelain bricks on the inside which are commonly used at high temperature
867
Fig. 2 Annual zinc leach residue generated
Fig. 3 Schematic flow sheet of the AZC operation
Recent Improvements of the Hematite Process
Renewal of SO 2 Leaching Autoclaves
In the SO 2 leaching process, iron is leached from zinc leach residue through autoclaves. These autoclaves are constructed of steel shell with lead lining, and acidresistant porcelain bricks on the inside which are commonly used at high temperature