40 CFR Appendix Table F-1 to Subpart F of Part 98 - Table F–1 to Subpart F of Part 98—Slope and Overvoltage Coefficients for the Calculation of PFC Emissions From Aluminum Production
Table F–1 to Subpart F of Part 98—Slope and Overvoltage Coefficients for the Calculation of PFC Emissions From Aluminum Production
| Technology | CF4 slope coefficient
[(kg CF4/metric ton Al)/(AE–Mins/cell-day)] |
CF4 overvoltage coefficient
[(kg CF4/metric ton Al)/(mV)] |
Weight fraction C2F6/CF4 [(kg C2F6/kg CF4)] |
|---|---|---|---|
| Center Worked Prebake (CWPB) | 0.143 | 1.16 | 0.121 |
| Side Worked Prebake (SWPB) | 0.272 | 3.65 | 0.252 |
| Vertical Stud Søderberg (VSS) | 0.092 | NA | 0.053 |
| Horizontal Stud Søderberg (HSS) | 0.099 | NA | 0.085 |
[75 FR 79156, Dec. 17, 2010]