ANNEX VIU.K. Reference values for calculation factors (Article 31(1)(a))

1.FUEL EMISSION FACTORS RELATED TO NET CALORIFIC VALUES (NCV)U.K.

Table 1

Fuel emission factors related to net calorific value (NCV) and net calorific values per mass of fuel.

a

This value is the preliminary emission factor, i.e. before application of a biomass fraction, if applicable.

b

Based on NCV of 10,12 TJ/t

c

Based on NCV of 50,01 TJ/t

Fuel type descriptionEmission factor (t CO2/TJ)Net calorific value (TJ/Gg)Source
Crude oil73,342,3IPCC 2006 GL
Orimulsion77,027,5IPCC 2006 GL
Natural gas liquids64,244,2IPCC 2006 GL
Motor gasoline69,344,3IPCC 2006 GL
Kerosene (other than jet kerosene)71,943,8IPCC 2006 GL
Shale oil73,338,1IPCC 2006 GL
Gas/Diesel oil74,143,0IPCC 2006 GL
Residual fuel oil77,440,4IPCC 2006 GL
Liquefied petroleum gases63,147,3IPCC 2006 GL
Ethane61,646,4IPCC 2006 GL
Naphtha73,344,5IPCC 2006 GL
Bitumen80,740,2IPCC 2006 GL
Lubricants73,340,2IPCC 2006 GL
Petroleum coke97,532,5IPCC 2006 GL
Refinery feedstocks73,343,0IPCC 2006 GL
Refinery gas57,649,5IPCC 2006 GL
Paraffin waxes73,340,2IPCC 2006 GL
White spirit and SBP73,340,2IPCC 2006 GL
Other petroleum products73,340,2IPCC 2006 GL
Anthracite98,326,7IPCC 2006 GL
Coking coal94,628,2IPCC 2006 GL
Other bituminous coal94,625,8IPCC 2006 GL
Sub-bituminous coal96,118,9IPCC 2006 GL
Lignite101,011,9IPCC 2006 GL
Oil shale and tar sands107,08,9IPCC 2006 GL
Patent fuel97,520,7IPCC 2006 GL
Coke oven coke and lignite coke107,028,2IPCC 2006 GL
Gas coke107,028,2IPCC 2006 GL
Coal tar80,728,0IPCC 2006 GL
Gas works gas44,438,7IPCC 2006 GL
Coke oven gas44,438,7IPCC 2006 GL
Blast furnace gas2602,47IPCC 2006 GL
Oxygen steel furnace gas1827,06IPCC 2006 GL
Natural gas56,148,0IPCC 2006 GL
Industrial wastes143n.a.IPCC 2006 GL
Waste oils73,340,2IPCC 2006 GL
Peat106,09,76IPCC 2006 GL
Wood/wood waste—15,6IPCC 2006 GL
Other primary solid biomass—11,6IPCC 2006 GL (only NCV)
Charcoal—29,5IPCC 2006 GL (only NCV)
Biogasoline—27,0IPCC 2006 GL (only NCV)
Biodiesels—27,0IPCC 2006 GL (only NCV)
Other liquid biofuels—27,4IPCC 2006 GL (only NCV)
Landfill gas—50,4IPCC 2006 GL (only NCV)
Sludge gas—50,4IPCC 2006 GL (only NCV)
Other biogas—50,4IPCC 2006 GL (only NCV)
Waste tyres85,0an.a.WBCSD CSI
Carbon monoxide155,2b10,1J. Falbe and M. Regitz, Römpp Chemie Lexikon, Stuttgart, 1995
Methane54,9c50,0J. Falbe and M. Regitz, Römpp Chemie Lexikon, Stuttgart, 1995

2.EMISSION FACTORS RELATED TO PROCESS EMISSIONSU.K.

Table 2

Stoichiometric emission factor for process emissions from carbonate decomposition (Method A)

CarbonateEmission factor [t CO2/ t Carbonate]
CaCO30,440
MgCO30,522
Na2CO30,415
BaCO30,223
Li2CO30,596
K2CO30,318
SrCO30,298
NaHCO30,524
FeCO30,380
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–

Table 3

Stoichiometric emission factor for process emissions from carbonate decomposition based on alkali earth oxides (Method B)

OxideEmission factor [t CO2/ t Oxide]
CaO0,785
MgO1,092
BaO0,287

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

Table 4

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 materialCarbon content(t C/t)Emission factor(t CO2/t)
Direct reduced iron (DRI)0,01910,07
EAF carbon electrodes0,81883,00
EAF charge carbon0,82973,04
Hot briquetted iron0,01910,07
Oxygen steel furnace gas0,34931,28
Petroleum coke0,87063,19
Pig iron0,04090,15
Iron / iron scrap0,04090,15
Steel / steel scrap0,01090,04

Table 5

Stoichiometric emission factors for process emissions from other process materials (Bulk organic chemicals) a

a

IPCC 2006 Guidelines for National Greenhouse Gas Inventories

SubstanceCarbon content(t C/t)Emission factor(t CO2 / t)
Acetonitril0,58522,144
Acrylonitrile0,66642,442
Butadiene0,8883,254
Carbon black0,973,554
Ethylene0,8563,136
Ethylene dichloride0,2450,898
Ethylene glycol0,3871,418
Ethylene oxide0,5451,997
Hydrogen cyanide0,44441,628
Methanol0,3751,374
Methane0,7492,744
Propane0,8172,993
Propylene0,85633,137
Vinyl chloride monomer0,3841,407

3.GLOBAL WARMING POTENTIALS FOR NON-CO2 GREENHOUSE GASESU.K.

Table 6

Global warming potentials

GasGlobal warming potential
N2O298 t CO2(e) / t N2O
CF47 390 t CO2(e) / t CF4
C2F612 200 t CO2(e) / t C2F6