Page 318 - Materials Chemistry, Second Edition

302 4 Life Cycle Impact Assessment

Table 4.25 Global warming potential (GWP) :CO -equivalents/fU.
100 2
Greenhouse effect Inventory result Characterisation factor Impact indicator value
(see Table 3.18) (kg) in kg CO -equivalents/kg GWP (kg CO -equivalents)
2 100 2
C F 2.12E−05 11 900 2.52E−01
2 6
CF 4 2.43E−04 5 700 1.39E+00
CH 1.55E−01 25.75 4.00E+00
4
CH , renewable 6.90E−02 23 1.59E+00
4
CO , fossil 6.07E+01 kg 1 6.07E+01
2
N O 1.13E−03 296 3.34E−01
2
Carbon tetrachloride 1.36E−11 1 800 2.45E−08
Global warming potential (total) 6.83E+01
Table 4.26 Summer smog potential (POCP): ethene equivalents/fU.

Summer smog Inventory result Characterisation factor in kg Impact indicator value
(see Table 3.18) (kg) ethene equivalents/kg POCP (kg of ethene equivalents)

Aldehydes, unspecific. 1.27E−07 0.443 5.63E−08
Benzene 7.53E−05 0.22 1.66E−05
Ethanol 2.55E−08 0.399 1.02E−08
Ethene 1.08E−05 1 1.08E−05
Ethylbenzene 7.21E−11 0.73 5.26E−11
Formaldehyde 3.76E−04 0.52 1.96E−04
Hexane 7.53E−06 0.482 3.63E−06
Methane 2.24E−01 0.006 1.34E−03
NMVOC of diesel emissions 3.53E−03 0.7 2.47E−03
NMVOC, unspecific including 1.39E−02 0.416 5.78E−03
TOC 381) calculated as NMVOC 382)
NMVOC (hydrocarbons) 1.22E−02 0.416 5.08E−03
Propene 8.02E−06 1.123 9.01E−06
Toluene 2.35E−07 0.637 1.50E−07
VOC, unspecific 5.49E−02 0.377 2.07E−02
VOC (Hydrocarbons) 3.35E−03 0.377 1.26E−03
Xylene 3.17E−07 1.1 3.49E−07
Summer smog potential (total) 3.69E−02

381) Total organic carbon.
382) Assuming an average molar ratio n (H)/n (C) of 3/1 in NMVOC, the TOC value is divided by 0,8
and added to NMVOC unspecific.