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Stoichiometric emission factor for process emissions from carbonate decomposition (Method A)
Carbonate | Emission factor [t CO2/ t Carbonate] |
---|---|
CaCO3 | 0,440 |
MgCO3 | 0,522 |
Na2CO3 | 0,415 |
BaCO3 | 0,223 |
Li2CO3 | 0,596 |
K2CO3 | 0,318 |
SrCO3 | 0,298 |
NaHCO3 | 0,524 |
FeCO3 | 0,380 |
General | Emission factor = [M(CO2)] / {Y * [M(x)] + Z *[M(CO3 2–)]} X = metal M(x) = molecular weight of X in [g/mol] M(CO2) = molecular weight of CO2 in [g/mol] M(CO3 2–) = molecular weight of CO3 2– in [g/mol] Y = stoichiometric number of X Z = stoichiometric number of CO3 2– |
Stoichiometric emission factor for process emissions from carbonate decomposition based on alkali earth oxides (Method B)
Oxide | Emission factor [t CO2/ t Oxide] |
---|---|
CaO | 0,785 |
MgO | 1,092 |
BaO | 0,287 |
general: XYOZ | Emission factor = [M(CO2)] / {Y * [M(x)] + Z * [M(O)]} X = alkali earth or alkali metal M(x) = molecular weight of X in [g/mol] M(CO2) = molecular weight of CO2 [g/mol] M(O) = molecular weight of O [g/mol] Y = stoichiometric number of X = 1 (for alkali earth metals) = 2 (for alkali metals) Z = stoichiometric number of O = 1 |
Emission factors for process emissions from other process materials (production of iron and steel, and processing of ferrous metals) a
a IPCC 2006 Guidelines for National Greenhouse Gas Inventories | ||
Input or output material | Carbon content(t C/t) | Emission factor(t CO2/t) |
---|---|---|
Direct reduced iron (DRI) | 0,0191 | 0,07 |
EAF carbon electrodes | 0,8188 | 3,00 |
EAF charge carbon | 0,8297 | 3,04 |
Hot briquetted iron | 0,0191 | 0,07 |
Oxygen steel furnace gas | 0,3493 | 1,28 |
Petroleum coke | 0,8706 | 3,19 |
Pig iron | 0,0409 | 0,15 |
Iron / iron scrap | 0,0409 | 0,15 |
Steel / steel scrap | 0,0109 | 0,04 |
Stoichiometric emission factors for process emissions from other process materials (Bulk organic chemicals) a
a IPCC 2006 Guidelines for National Greenhouse Gas Inventories | ||
Substance | Carbon content(t C/t) | Emission factor(t CO2 / t) |
---|---|---|
Acetonitril | 0,5852 | 2,144 |
Acrylonitrile | 0,6664 | 2,442 |
Butadiene | 0,888 | 3,254 |
Carbon black | 0,97 | 3,554 |
Ethylene | 0,856 | 3,136 |
Ethylene dichloride | 0,245 | 0,898 |
Ethylene glycol | 0,387 | 1,418 |
Ethylene oxide | 0,545 | 1,997 |
Hydrogen cyanide | 0,4444 | 1,628 |
Methanol | 0,375 | 1,374 |
Methane | 0,749 | 2,744 |
Propane | 0,817 | 2,993 |
Propylene | 0,8563 | 3,137 |
Vinyl chloride monomer | 0,384 | 1,407 |