Mining Bond Work Index: mill performance
Limestone|rod to Phosphate rock|ball
Bond work index (Wi, kWh/ton) for 29 mineral and ore types, crusher performance parameters (jaw, gyratory, cone, HSI, VSI, roll, HPGR), and grinding mill design parameters (ball, SAG, AG, rod, vertical roller). Sources: Bond (1961), SME Mineral Processing Handbook 2019, Wills Mineral Processing Technology 8th Ed.
| parameter type | record id | Bond work index kWh per ton (kWh/ton) | Mohs hardness (dimensionless) | abrasion index Ai (dimensionless) | ball charge pct (%) | circulating load pct (%) | mill diameter ft (ft) | mill speed pct critical (%) | mill type | mineral or ore | specific energy kWh per ton (kWh/ton) | specific gravity (dimensionless) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mill performance | Limestone|rod | 13.8 | 3 | 0.1 | — | — | 12 | 68 | rod | Limestone | 8.5 | 2.68 |
| mill performance | Phosphate rock|ball | 10.1 | 3.5 | 0.1 | 30 | 200 | 14 | 70 | ball | Phosphate rock | 5.5 | 2.74 |
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