Why flotation runs the sulfide world
Most of the world's copper, lead and zinc leaves the ground as fine sulfide particles that only flotation can recover economically. The cells agitate ground ore slurry with reagents so valuable minerals attach to rising bubbles — circuit design (rougher, cleaner, scavenger banks) then turns that selectivity into grade and recovery.
Key parameters to define
- Ore type and mineralogy from a test report.
- Feed tonnage and slurry density to the flotation circuit.
- Target concentrate grade and recovery balance.
- Reagent scheme planned or to be developed.
- Self-aspirated vs forced-air cell type.
Typical configuration ranges
| Item | Common options | Indicative range |
|---|---|---|
| Cell volume | SF, XCF/KYF series cells | 0.37–20 m³ per cell |
| Bank layout | Rougher + cleaner + scavenger | By ore test |
| Aeration | Self-aspirated, blower-assisted | By cell type |
| Throughput | By slurry residence time | 0.2–50 m³/min pulp |
Ranges are indicative. Flotation circuits must be designed from locked-cycle test data.
What a quotation should clarify
| Quotation area | Questions to record |
|---|---|
| Test basis | What ore test report is the circuit design based on? |
| Circuit | How many cells per bank and total residence time? |
| Wear | Impeller and stator life in months, replacement pricing? |
| Reagents | Is reagent scheme development support included? |
| Scope | Blowers, launders, control valves and spares included? |
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