Page 170 - Materials Chemistry, Second Edition

154 3 Life Cycle Inventory Analysis

Packaging system: beverage carton1000 ml Credit
2.7 kg
Mineral Plastic closure wd:
Carton: 7.9 kg
resources Composite carton: 28.8 kg Closure: 1.1 kg
Closure: 2.7 kg Wood: 0.6 kg
Fossil Aluminium 1.6 kg Corrugated board: 10.7 kg Disposal Electric energy
LDPE shrink foil: 0.4 kg
resources (foil) Pallets: 33.3 kg
29.2 kg 1000 ml Thermal energy
Area, Unprocessed 23 kg beverage Trade/
cardboard Production Filling
CO 2 consumer
Fossil LDPE 6.3 kg Pallets wr:
resources Carton: 20.9 kg
Closure: 1.5 kg
Cardboard: 10.1 kg
LDPE foil: 0.4 kg Al-Reject: 1 kg
Cardboard (wr)
0.8 kg Cardboard (wr) 0.1 Clinker: 64.2 kg
Utilisation
Al bar: 0.2 kg
Area, Corrugated 10.7 kg
CO 2 board Secondary fibre:
16 kg
0.6 kg
Area, Wooden pallet LDPE granules:
CO 2
0.4 kg
0.4 kg
LDPE foil
Fossil
resources
Cardboard (wr): 9.5 kg
System boundary
Emissions into air and
wr: –waste for recovery water
wd: –waste for disposal
Figure 3.30 Simplified system flow chart of 1-l-beverage carton covering reference flows. Masses indicated refer to the func-
tional unit: packaging necessary for the supply of 1000 l filling material to the point-of-sale.