Mineral Froth Flotation Grade & Recovery Calculator
Calculate metallurgical recovery, concentrate mass pull yield, enrichment ratio, Schulz separation efficiency, and required flotation bank volume.
Plant Feed & Metallurgical Assays
Flotation Pulp Density & Residence Time
Metallurgical Balance & Cell Volume
| Concentrate Production Rate (C): | -- dry t/h |
| Concentrate Mass Pull (Yield Y): | -- % of feed |
| Concentration Enrichment Ratio (c/f): | -- : 1 |
| Schulz Separation Efficiency (SE): | -- % |
| Tailings Production Rate (T): | -- dry t/h |
| Slurry Pulp Volumetric Flow: | -- m³/h |
| Total Active Flotation Bank Volume: | -- m³ |
Recommended Tools & Equipment
Tested hardware and components for high reliability
Frequently Asked Questions
What is the classic Grade-Recovery trade-off in mineral processing?
In froth flotation, recovery and concentrate grade are inversely coupled. If operators pull the froth aggressively (increasing mass pull Y), more valuable mineral is recovered into the concentrate (+Recovery), but more barren gangue rock is entrained, diluting the final grade (-Grade). Balancing the two points optimizes net smelter return (NSR) contracts.
What is Schulz Separation Efficiency (SE)?
Developed by N.F. Schulz in 1970, Separation Efficiency SE = R_valuable - R_gangue measures the pure metallurgical selectivity of a separation process on a scale from 0% (no separation) to 100% (perfect split with 100% recovery of valuable mineral and 0% entrainment of gangue).
Why must air holdup be added when sizing flotation cell volumes?
Mechanical flotation mechanisms continuously ingest and shear compressed air into millions of micro-bubbles. This aerated gas volume typically occupies 12% to 18% of the total tank volume, reducing the effective volume available for liquid slurry residence time.