Page 142 - Materials Chemistry, Second Edition

126 3 Life Cycle Inventory Analysis

Table 3.7 (continued)
Energy supply electricity grid Germany Functional unit:
1 kJ electrical energy
Data for unit process
Multiplier: 1.5 MJ electrical energy per piece
Output Quantity Unit Factor Quantity Unit
Carbon dioxide, fossil 2.11E–04 kg 1500 3.17E–01 kg per piece
Carbon monoxide 2.48E–08 kg 1500 3.72E–05 kg per piece
NO x 2.52E–07 kg 1500 3.78E–04 kg per piece
Sulphur dioxide 8.98E–07 kg 1500 1.35E–03 kg per piece
Metals
Arsenic 9.52E–13 kg 1500 1.43E–09 kg per piece
Cadmium 2.76E–13 kg 1500 4.14E–10 kg per piece
Chromium 1.67E–12 kg 1500 2.51E–09 kg per piece
Nickel 1.63E–11 kg 1500 2.45E–08 kg per piece
VOC
Methane, fossil 5.61E–07 kg 1500 8.42E–04 kg per piece
Benzene 6.33E–11 kg 1500 9.50E–08 kg per piece
PCDD/PCDF 8.90E–18 kg 1500 1.34E–14 kg per piece
Non methane volatile organic 6.04E–09 kg 1500 9.06E–06 kg per piece
compound (NMVOC), unspecific
PAH
Benzo(a)pyrene 3.56E–16 kg 1500 5.34E–13 kg per piece
PAH without B(a)p 1.78E–12 kg 1500 2.67E–09 kg per piece
PAH, unspecific 9.72E–14 kg 1500 1.46E–10 kg per piece
VOC, unspecific 3.18E–13 kg 1500 4.77E–10 kg per piece
Emissions into water
Inorganic salts 1.37E–14 kg 1500 2.06E–11 kg per piece
Nitrogen compounds as N 2.47E–15 kg 1500 3.71E–12 kg per piece
Indicator parameters
AOX 2.75E–18 kg 1500 4.13E–15 kg per piece
BOD-5 5.49E–17 kg 1500 8.24E–14 kg per piece
COD 1.18E–15 kg 1500 1.77E–12 kg per piece
Secondary sources of energy
Electrical energy 1.00E+00 kJ 1.5 1.50E+00 MJ per piece
Minerals
Gypsum (FGD derived from flue 2.64E–06 kg 1500 3.96E–03 kg per piece
gas desulphurisation)
Water
Waste water (cooling water) 6.63E–03 kg 1500 9.95E+00 kg per piece
Waste water (process) 3.34E–06 kg 1500 5.01E–03 kg per piece
Sum electrical energy 1.00E–00 kJ 1.50E+00 MJ per piece
Sum mass flow 6.86E–03 kg 1.03E+01 kg per piece