Alloy product produced in EAF | CH4 emission factor (kg CH4 per metric ton product) | ||
EAF Operation | |||
Batch-charging | Sprinkle-charginga | Sprinkle-charging and [GREATER THAN]750 °Cb | |
Silicon metal | 1.5 | 1.2 | 0.7 |
Ferrosilicon 90% | 1.4 | 1.1 | 0.6 |
Ferrosilicon 75% | 1.3 | 1.0 | 0.5 |
Ferrosilicon 65% | 1.3 | 1.0 | 0.5 |
a Sprinkle-charging is charging intermittently every minute.
b Temperature measured in off-gas channel downstream of the furnace hood.
40 C.F.R. 98 app Table K-1 to Subpart K of Part 98