Table 4
Parameters used on simulations at case study 1–Base case, Improved and Next generation scenario.
| PARAMETERS | BASE CASE | IMPROVED SCENARIO | NEXT GENERATION |
|---|---|---|---|
| AGGLOMERATION TECHNOLOGY | Disks | Disks | Disks |
| QUANTITY OF AGGLOMERATION UNITS | 10 | 10 | 10 |
| PRODUCTION BY AGGLOMERATION UNIT | 150 tph | 150 tph | 150 tph |
| ROLLER SCREEN CONFIGURATION | |||
| • Quantity of rollers on top deck | – | – | 20 |
| • Gap opening on top deck (mm) | – | – | 11 |
| • Quantity of rollers to remove fines | 45 | 45 | 45 |
| • Gap opening to remove fines (mm) | 8 | 7.8 | 7.7 |
| • Quantity of rollers to remove oversized | 15 | 15 | 15 |
| • Gap opening to remove oversized (mm) | 16 | 16 | 15.8 |
| • Rollers length (mm) | 1800 | 1800 | 1800 |
| • Rollers diameter (mm) | 75 | 75 | 75 |
| • Rollers rotation speed (rpm) | 120 | 120 | 120 |
| • Screen inclination angle (C) | 13 | 13 | 13 |
| ROLLER FEEDER CONFIGURATION | |||
| • Quantity of rollers to remove oversized (top deck) | 20 | – | 20 |
| • Gap opening to remove oversized (mm) | 16 | – | 16 |
| • Quantity of rollers in the middle deck | – | 43 | 43 |
| • Gap opening in the middle deck (mm) | – | 10.5 | 10.5 |
| • Quantity of rollers to remove fines (lower deck) | 40 | 40 | 40 |
| • Gap opening to remove fines (mm) | 8 | 8 | 8 |
| • Rollers length (mm) | 4000 | 4000 | 4000 |
| • Rollers diameter (mm) | 89 | 89 | 89 |
| • Rollers rotation speed (rpm) | 100 | 100 | 100 |
| • Screen inclination angle in the middle and lower decks (C) | 21 | 21 | 21 |
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