Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 98 - Mandatory Greenhouse Gas Reporting |
Subpart F - Aluminum Production |
Table F-1 to Subpart F of Part 98 - Slope and Overvoltage Coefficients for the Calculation of PFC Emissions From Aluminum Production
Latest version.
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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]