In a preliminary laboratory study, we tested Pionera F-255 in a chalcopyrite cleaner flotation with high pyrite (>20%) containing ore. The feed for the laboratory flotation cell came directly from the cleaner feed tank in the plant.
Pyrite Depression Study
The cleaner feed had an iron content of about 20%, most of it as pyrite. The standard reagent suite was applied and conditioned, and flotation lasted 8 min.
- Pionera F-255 improves the copper grade/recovery relationship in the concentrate.
- Promising path to plant optimisation and increased copper production.
- Further tests required to optimise application point and dosage.
Lab flotation data of copper grade with Pionera F-255 depressant.