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AlWeb Table of Contents Plant Data Greenhouse Gases

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Aluminum
Production

CO2, CO
Production

Greenhouse
Gases

Energy
Consumption

Al2O3, AlF3
Consumption

Anode
Consumption

Fluorides

Greenhouse Gases

Comment:

 

Masses

spec. Masses

Carbon Dioxide:

(t)

(g/kg)

Electrolysis:

970.9

1158.9

Anode Excess Consumption:

302.6

361.2

Perfluorocarbon Equivalent:

45.6

54.4

Sum:

1319.1

1574.5

Perfluorocarbons (PFCs):

 

Tetrafluoromethane (CF4):

6.0

0.007

Hexafluoroethane (C2F6):

0.7

0.001

Anode Effects:

Number:

(/(cell·day)

Duration:   (sec)

 

Overvoltage:

(mV)

Cell Technology:

Slope Coefficient:

0.143 [(kg PFC/tAl)/(minAE/(cell·day)]

 

 

Weight Fraction C2F6/CF4:

0.121

 

 

Overvoltage Coefficient:

1.160 [(kg PFC/tAl)/(mV)]

Default Values