IVT Equation Inputs for Subpart G - Ammonia Manufacturing

IVT Equation Inputs for Subpart G—Ammonia Manufacturing

This page identifies the variables in the following IVT equations used for subpart G, including the constants, default values, and lookup values:

Equation G-1: Annual CO2 Emissions Arising from Gaseous Feedstock Consumption

Equation G-1 calculates annual CO2 emissions arising from gaseous feedstock consumption.

 

The table below defines the parameters in this equation and provides the values or sources of any constants, default values, and lookup values. 

Parameter

Description

Units of Measure

Value or Source

CO2,G,k

Annual CO2 emissions arising from gaseous feedstock consumption

metric tons

 Output

Fdstkn

Volume of the gaseous feedstock used in month n

scf of feedstock

 User Input

CCn

Carbon content of the gaseous feedstock, for month n

kg C per kg of feedstock, determined according to 98.74(c)

 User Input

MW

Molecular weight of the gaseous feedstock

kg/kg-mole

 User Input

MVC

Molar volume conversion factor

scf per kg-mole at standard conditions

849.5

44/12

Ratio of molecular weights, CO2 to carbon


44/12

0.001

Conversion factor from kg to metric tons


0.001

k

Processing unit


 1-n

n

Number of month


 1-12

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Equation G-2: Annual CO2 Emissions Arising from Liquid Feedstock Consumption

Equation G-2 calculates annual CO2 emissions arising from liquid feedstock consumption.

 

The table below defines the parameters in this equation and provides the values or sources of any constants, default values, and lookup values.

Parameter

Description

Units of Measure

Value or Source

CO2,L,k

Annual CO2 emissions arising from liquid feedstock consumption

metric tons

Output

Fdstkn

Volume of the liquid feedstock used in month n

gallons of feedstock

User input

CCn

Carbon content of the liquid feedstock, for month n

kg C per gallon of feedstock) determined according to 98.74(c).

User input

44/12

Ratio of molecular weights, CO2 to carbon

-

44/12

0.001

Conversion factor from kg to metric tons

0.001 

k

Processing unit

 1-n

n

Number of month

 1-12

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Equation G-3: Annual CO2 Emissions Arising from Solid Feedstock Consumption

Equation G-3 calculates annual CO2 emissions arising from solid feedstock consumption.

The table below defines the parameters in this equation and provides the values or sources of any constants, default values, and lookup values.

Parameter

Description

Units of Measure

Value or Source

CO2,S,k

Annual CO2 emissions arising from solid feedstock consumption

metric tons

Output 

Fdstkn

 Mass of the solid feedstock used in month n

kg of feedstock

User input 

CCn

Carbon content of the solid feedstock, for month n

kg C per kg of feedstock, determined according to 98.74(c)

User input 

44/12

Ratio of molecular weights, CO2 to carbon

 44/12

0.001

Conversion factor from kg to metric tons

 0.001

k

Processing unit

 1-n

n

Number of month

 1-12

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