| Variables | Range |
| RAFT (K) | 2200 - 2400 |
| Steam addition (t/hr) | 0 - 16 |
| O2 enrichment (%) | 0 - 4 |
| Blast volume (Nm3/min) | 3000 - 4200 |
| Blast temperature (˚C) | 850 - 1050 |
| Volatile Matter (%) | 25 - 30 |
| Carbon in coal (%) | 55 - 65 |