40 CFR Table F-1 to Subpart F of Part 98
Slope and Overvoltage Coefficients for the Calculation of PFC Emissions From Aluminum Production
June 9, 2020
Open Table
| 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]
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