Page 72 - Materials Chemistry, Second Edition

3.5 3.5 Life cycle assessment and waste management 59
Full degradation
CS (US EPA data)
2.5 Recycling 2.5 Landfill CS (Lignin cont. calc.)
CO 2 eq. (kg) 1.5 CO 2 eq. (kg) 1.5

0.5
0.5
Newsprint Aluminium Steel cans Newsprint Aluminium Steel cans
-0.5 LPB Glass PET HDP E PVC -0.5 LPB Glass PET HDP E PVC
-1.5 Paper & board -1.5 Paper & board

-2.5 -2.5
3.5

2.5
Nett recycling savings (including avoided landfill)
CO 2 eq. (kg) 0.5
1.5

-0.5 Newsprint LPB Glass Aluminium Steel cans PET HDP E PVC
-1.5 Paper & Board

-2.5

Recycling savings Landfill savings
4 4
3 2 3 2
kg CO 2 eq. 1 0 1 0

-1
-2 -1 -2
-3 -3
-4 -4
-5 -5
CO CO (sequestered Methane CO CO (sequestered Methane
2 2 2 2
in landfill) in landfill)
Nett recycling savings (including avoided landfill)
4
Full degradation
3
CS (US EPA data)
2 CS (Lignin cont. calc.)
kg CO 2 eq. 1 0
-1
-2
-3
-4 CO CO (sequestered Methane
2
2
in landfill)
-5 Global warming gases
Figure 6.7 Net savings in greenhouse gases from recycling per household per week for organic
degradation in three landfill scenarios.

100804•Life Cycle Assessment 5pp.indd 59 17/02/09 12:46:17 PM